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CONTENS - International Organization of Plant Biosystematists

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Xth Symposium <strong>of</strong> the <strong>International</strong> <strong>Organization</strong> <strong>of</strong><br />

<strong>Plant</strong> <strong>Biosystematists</strong><br />

2 – 4 July 2008<br />

Vysoké Tatry, Slovakia<br />

<strong>CONTENS</strong><br />

Oral presentations 2<br />

Phylogeography 2<br />

Biogeography 8<br />

Evolutionary processes in European mountain ranges 14<br />

Polyploidy 22<br />

Molecular approaches in plant evolution 33<br />

Ecological factors in plant evolution 38<br />

Evolutionary processes in extra-european mountains 42<br />

Role <strong>of</strong> apomixis in plant evolution 47<br />

Poster presentations 51<br />

1


PHYLOGEOGRAPHY<br />

O 01<br />

Phylogeography <strong>of</strong> arctic-alpine plants - recent advances<br />

Christian Brochmann<br />

National Centre for Biosystematics, Natural History Museum, University <strong>of</strong> Oslo, PO<br />

Box 1172 Blindern, NO-0318 Oslo, Norway. email: christian.brochmann@nhm.uio.no<br />

Many individual species histories <strong>of</strong> arctic-alpine plants have now been inferred<br />

based on various nuclear and cytoplasmic markers. I will review some recent case<br />

studies which have brought new insights into various aspects <strong>of</strong> arctic-alpine<br />

phylogeography, for example by comparing different types <strong>of</strong> molecular markers and<br />

by merging molecular and fossil data. I will also provide an update <strong>of</strong> recent studies<br />

revealing long-distance dispersals and multiple regional colonizations in arctic-alpine<br />

plants, and present some recent advances in comparative arctic-alpine<br />

phylogeography on regional to circumpolar scales. Of particular importance in current<br />

arctic-alpine phylogeography will be to develop stronger links with the<br />

paleoecological community as well as with groups working on predictive species<br />

distribution modeling and GIS-based approaches to analyses <strong>of</strong> genetic data, and to<br />

develop new molecular tools based on the pyrosequencing technology. I will present<br />

results from some ongoing projects demonstrating the potential for coupling <strong>of</strong><br />

genetic data with paleoecological data, for modeling <strong>of</strong> loss <strong>of</strong> genetic diversity<br />

following future climate warming, and for reconstructions <strong>of</strong> past species distributions<br />

based on DNA preserved in permafrost.<br />

2


O 02<br />

Comparative phylogeography <strong>of</strong> Afro-alpine plants inferred from<br />

AFLP and plastid DNA variation<br />

Magnus Popp 1 , Abel Gizaw 1, 2 , Biructawit Bekele 1, 2 , Dorothee Ehrich 1,3 , Adane<br />

Assefa 4 , Sileshi Nemomissa 2 , Mulugeta Kebede 2 , & Christian Brochmann 1<br />

1 National Centre for Biosystematics, Natural History Museum, University <strong>of</strong> Oslo, PO<br />

Box1172 Blindern, NO-0318 Oslo, Norway; 2 Department <strong>of</strong> Biology, Addis Ababa<br />

University, PO Box 3434, Addis Ababa, Ethiopia;<br />

3 Department <strong>of</strong> Biology,<br />

Universitety <strong>of</strong> Tromsø, N-9037 Tromsø, Norway; 4 Department <strong>of</strong> Biology, P.O.Box:<br />

79, Bahir Dar University, Bahir Dar, Ethiopia; magnus.popp@nhm.uio.no,<br />

s.a.gizaw@nhm.uio.no, biructawit.bekele@nhm.uio.no, dorothee.ehrich@ib.uit.no,<br />

adaneas@yahoo.com, nemomssa@bio.aau.edu.et, kmulugetak@yahoo.com,<br />

christian.brochmann@nhm.uio.no<br />

Many studies have addressed the impact <strong>of</strong> the Pleistocene climate fluctuations on<br />

phylogeographic history and structuring <strong>of</strong> intraspecific diversity in the Northern<br />

hemisphere, but there are few such studies on African plants. The Afro-alpine region<br />

in Eastern Africa, consisting <strong>of</strong> isolated high mountains acting as biological ‘sky<br />

islands’, <strong>of</strong>fers a particularly interesting system to address questions such as the<br />

relative importance <strong>of</strong> random long-distance dispersal versus gradual expansion via<br />

montane forest bridges during humid interglacials. We will present some results from<br />

a comparative study <strong>of</strong> the phylogeographic history <strong>of</strong> widespread plants from the<br />

Afro-alpine and Afro-montane zones in the high mountains <strong>of</strong> Eastern Africa. We use<br />

nucleotide sequences from several non-coding plastid DNA regions along with<br />

recently completed AFLP data sets for seven species without obvious mechanisms<br />

for long-distance dispersal: Cerastium afromontanum, Erica arborea, Haplosciadum<br />

abyssinicum, Hypericum revolutum, Lobelia giberroa, Nuxia congesta, and Salvia<br />

merjamie. The relationships inferred from the sequence data are largely congruent<br />

with the AFLP data. Our preliminary results indicate that whereas the genetic<br />

diversity in plants with an Afro-alpine distribution is geographically structured, the<br />

genetic groups discovered in Afro-montane plants are geographically more widely<br />

distributed.<br />

3


O 03<br />

Phylogeographical structure <strong>of</strong> alpine plants in the Carpathians: a<br />

comparative study<br />

Michał Ronikier 1 & Intrabiodiv Consortium 2<br />

1 Institute <strong>of</strong> Botany, Polish Academy <strong>of</strong> Sciences, Lubicz 46, PL-31-512 Kraków,<br />

Poland; e-mail: michal.ronikier@ib-pan.krakow.pl; 2 www.intrabiodiv.eu<br />

The Carpathians belong to major mountain ranges forming the European alpine<br />

system and form a mountain arch extending over ca 400 km. With a comparable<br />

spatial extension but deviating in topography and glacial history, the Carpathians<br />

provide a different system than the European Alps for studying the Quaternary history<br />

<strong>of</strong> alpine plants. Alpine areas form here a discontinuous island system, separated by<br />

large forested and subalpine areas. Unlike the Alps, the Carpathians were not<br />

extensively glaciated during the Quaternary; glaciers developed only locally, while<br />

lower massifs remained ice-free. Only the highest Carpathian ridges, like the Tatra<br />

mountains (the highest massif, 2663 m a.s.l.), showed more extended glaciation. In<br />

contrast, while plant habitats in the Alps were mostly limited to marginal refugia,<br />

alpine areas were extended in the large ice-free and treeless Carpathian ranges,<br />

potentially enabling range extensions for high-mountain plants. In the present study,<br />

populations <strong>of</strong> 14 high-mountain species distributed in alpine habitats across the<br />

Carpathians were studied using AFLP markers to infer their genetic structure.<br />

Additionally, chloroplast DNA sequences were examined in part <strong>of</strong> species to test the<br />

phylogeographical groups detected. Most species were characterized by a significant<br />

phylogeographical structure in the Carpathians and several well-supported regional<br />

groups were detected. A main genetic break supported by results from most taxa<br />

separated Western and South-Eastern Carpathians, following the well-known<br />

phytogeographical boundary. Further genetic groups were found in the SE<br />

Carpathians, suggesting for several species a last glacial isolation in several regional<br />

refugia rather than population expansion potentially favoured by extension <strong>of</strong> ice-free<br />

and treeless areas.<br />

4


O 04<br />

Contrasting phylogeographies inferred for the two alpine sister<br />

species Cardamine resedifolia and C. alpina (Brassicaceae)<br />

Judita Lihová 1 , Tor Carlsen 2 , Christian Brochmann 2 & Karol Marhold 1<br />

1 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská cesta 14, SK-845 23<br />

Bratislava, Slovak Republic; judita.lihova@savba.sk<br />

2 National Centre for Biosystematics, Natural History Museum, University <strong>of</strong> Oslo,<br />

P.O. Box 1172 Blindern, NO-0318 Oslo, Norway<br />

Two sister species were studied using AFLPs to address the history <strong>of</strong> disjunctions in<br />

the European alpine system: Cardamine alpina (Alps, Pyrenees) and C. resedifolia<br />

(mountain ranges from Sierra Nevada to the Balkans). We explored differentiation<br />

among their disjunct populations as well as within the contiguous Alpine and<br />

Pyrenean ranges, and compare the phylogeographic histories. Samples <strong>of</strong> the<br />

closely related, predominantly arctic C. bellidifolia were also included in attempt to<br />

explore its origin and postglacial establishment.<br />

In the snow-bed species C. alpina we resolved two strongly divergent lineages, one<br />

Alpine and one Pyrenean, possibly representing cryptic species. While multiple<br />

glacial refugia were invoked in the Pyrenees, we inferred only a single one in the<br />

Maritime Alps - from which postglacial colonization <strong>of</strong> the entire Alps occurred,<br />

accompanied by a strong founder effect. In C. resedifolia the genetic structuring was<br />

rather weak and did not correspond to the main geographic disjunctions. Two<br />

widespread and largely sympatric main genetic groups were found, one <strong>of</strong> them<br />

subdivided into four geographically more restricted groups, with frequent secondary<br />

contacts among them. The conspicuously different histories <strong>of</strong> these two species are<br />

likely associated with their different ecologies. The more abundant habitats available<br />

for C. resedifolia may have increased its probability for gradual migration during<br />

colder periods and for successful establishment after long-distance dispersal,<br />

whereas C. alpina has been more restricted by its dependence on snow-beds.<br />

Surprisingly, the arctic C. bellidifolia formed a very divergent lineage with little<br />

variation, contradicting a scenario <strong>of</strong> recent, postglacial migration <strong>of</strong> this species from<br />

the Alps or Pyrenees. The origin <strong>of</strong> C. bellidifolia likely followed a more complex<br />

scenario, perhaps taking place in the Asian part <strong>of</strong> its distribution area.<br />

5


O 05<br />

Phylogeography on the Balkan Peninsula – examples from Veronica<br />

(<strong>Plant</strong>aginaceae)<br />

Katharina Bardy 1 , Peter Schönswetter 1 , Dirk C. Albach 2 & Manfred A. Fischer 1<br />

1 Department <strong>of</strong> Biogeography and Botanical Garden, Faculty Centre Botany,<br />

University <strong>of</strong> Vienna, Rennweg 14, 1030 Wien, Austria;<br />

katharina.bardy@univie.ac.at, peter.schoenswetter@univie.ac.at,<br />

manfred.a.fischer@univie.ac.at<br />

2 Institute for Special Botany, Johannes Gutenberg-Universität Mainz, Bentzelweg 9,<br />

55099 Mainz, Germany, albach@uni-mainz.de<br />

The Balkan Peninsula is one <strong>of</strong> the hotspots <strong>of</strong> biodiversity in Europe; presumingly<br />

because <strong>of</strong> its role as a refugial area during the Pleistocene ice ages. Additionally,<br />

the Balkan Peninsula was a place for further diversification and formation <strong>of</strong> new<br />

species further enhancing its richness in endemic species.<br />

Up to now, our knowledge <strong>of</strong> the phylogeographic history <strong>of</strong> plant species <strong>of</strong> the<br />

Balkan Peninsula is predominantly based on the study <strong>of</strong> trees. However, most <strong>of</strong> its<br />

species richness is due to herbaceous perennials such as the genus Veronica.<br />

We focus on species from three different subgenera: subgenus Stenocarpon –<br />

growing in alpine habitats – subgenus Pseudolysimachion – occurring on grasslands<br />

– and subgenus Chamaedrys – mainly inhabiting forests. Using genome size<br />

estimation, AFLP fingerprints and cpDNA markers we address the following main<br />

questions: 1) Which taxa form well-defined taxonomic units? 2) Which<br />

phylogeographical patterns do these taxa exhibit on the Balkan Peninsula?<br />

6


O 06<br />

Molecular phylogeography <strong>of</strong> Rhodiola integrifolia (Crassulaceae):<br />

postglacial recolonization <strong>of</strong> western North America<br />

Heidi Guest<br />

University <strong>of</strong> Victoria, Department <strong>of</strong> Biology, P.O. Box 3020 Stn. CSC, Victoria, BC<br />

V8W 3N5, Canada, dessa@uvic.ca<br />

The cyclic contraction and expansion <strong>of</strong> available habitat during the Quaternary<br />

period has strongly influenced patterns <strong>of</strong> genetic variation in plant populations.<br />

Genetic diversity is expected to be high in glacial refugia - such as Beringia, and low<br />

in recently deglaciated areas. The arctic/alpine plant Rhodiola integrifolia is found at<br />

high latitudes from northwestern North America to northeastern Asia and extends<br />

southward along mountain ranges on both continents. To explore its genetic diversity<br />

I surveyed variation in the cpDNA psbA-trnH spacer region <strong>of</strong> 69 populations from<br />

western North America (including Alaska, Yukon, British Columbia, Montana,<br />

Wyoming, Colorado and California). Digests with three restriction enzymes (ApoI,<br />

BstXI and MseI) revealed 12 haplotypes over this geographic region. Sequencing <strong>of</strong><br />

the same cpDNA region in a subset <strong>of</strong> samples yielded 28 haplotypes. Of these, nine<br />

were found exclusively within Beringia and five exclusively south <strong>of</strong> the glacial<br />

maximum. Three haplotypes were found both within Beringia and in adjacent<br />

glaciated B.C., Alaska and Yukon, and five were wholly within glaciated southeast<br />

Alaska. Four haplotypes were widespread with disjunct distributions, occurring both<br />

north (within or bordering Beringia), and south <strong>of</strong> the glacial maximum. Two<br />

haplotypes were found within glaciated regions and may have persisted in coastal<br />

refugia. Populations <strong>of</strong> R. integrifolia in western North America appear to have<br />

persisted both north and south <strong>of</strong> the Cordilleran Ice Sheet during the most recent<br />

glaciation, and have subsequently recolonized western Canada primarily from the<br />

north since the last glacial maximum.<br />

7


BIOGEOGRAPHY<br />

O 07<br />

The importance <strong>of</strong> refugia for evolution and biogeography <strong>of</strong> alpine<br />

and arctic-alpine plants<br />

Andreas Tribsch<br />

Department <strong>of</strong> Organismic Biology, University <strong>of</strong> Salzburg, Hellbrunnerstrasse 34,<br />

5020 Salzburg, Austria; andreas.tribsch@sbg.ac.at<br />

During severe climatic changes only populations <strong>of</strong> those organisms survive that are<br />

able to migrate to suitable habitats, to adapt to the new environment quickly or that<br />

live in environmentally stable regions. An area where living conditions are suitable<br />

and stable throughout climatic fluctuations are <strong>of</strong>ten termed refugium. Stability is<br />

usually a factor in areas less affected by natural climatic changes, like in<br />

mountainous areas, where altitudinal migrations <strong>of</strong> populations are easily possible.<br />

Several studies where published that deal with the relevance <strong>of</strong> refugia in Europe for<br />

explaining distribution and phylogeographic patterns and the paradigm that refugia<br />

where mainly situated in the main Mediterranean peninsulas was created. Recently<br />

this view has been changed, although strong support for Northern refugia far beyond<br />

these areas is still limited. In my presentation I would like to show the relevance <strong>of</strong><br />

the European mountains and some areas in the Arctic as refugia by discussing<br />

published and own phylogeographic data on several alpine and arctic-alpine plants.<br />

Moreover I will explain that potential refugia, where organisms where potentially able<br />

to survive climatic changes should be discriminated from realized refugia that are<br />

supported by biological data. Knowing the location <strong>of</strong> such realized refugia hold a key<br />

for our understanding <strong>of</strong> many (intraspecific) phylogeographic pattern found, but does<br />

not explain the evolutionary significance wholly. The question, whether<br />

phylogeographic patterns are stable simply because <strong>of</strong> genetic drift and limitation <strong>of</strong><br />

gene-flow or whether phylogroups did already diverge by adaptation to different<br />

habitats associated with refugial patterns as a first step towards speciation remain<br />

open so far and will be important for future research.<br />

8


O 08<br />

Phylogenetic and biogeographical studies <strong>of</strong> alpine species <strong>of</strong><br />

Ranunculus in Eurasia<br />

Khatere Emadzade & Elvira Hörandl<br />

Department <strong>of</strong> Systematic and Evolutionary Botany, University <strong>of</strong> Vienna, Rennweg<br />

14, 1030 Vienna, Austria; emadzadekh@yahoo.com & elvira.hoerandl@univie.ac.at<br />

Ranunculus is the largest genus in Ranunculaceae. It comprises c. 600 species and<br />

is distributed worldwide in all continents. Morphological adaptations enable the genus<br />

to colonize a very broad spectrum <strong>of</strong> habitats, ranging from terrestrial to aquatic,<br />

arctic or alpine areas. The genus has a great diversity <strong>of</strong> species in the Eurasian<br />

mountains. Previous studies on European taxa (Hörandl & al., 2005; Paun & al.,<br />

2005) suggested that European alpines have mostly an autochthonous origin, but the<br />

relationships to the species <strong>of</strong> the Asian mountains remained unclear.<br />

A molecular phylogeny based on DNA sequences <strong>of</strong> the nuclear ITS region and the<br />

plastid matK/trnK region has been worked out to establish the ecological and<br />

geographical clades in a worldwide framework. Biogeo-graphical analysis was<br />

implemented using the program Dispersal – Vicariance Analysis (DIVA).<br />

Biogeographical analyses <strong>of</strong> genus reveal a radiation within the ancient Tethyan<br />

area. Tethyan’s taxa originated in the meridional zone and migrated to temperat and<br />

boreal zones. The mountain species <strong>of</strong> the Mediterranean and western Irano-<br />

Turanian region (East to Hindu Kush) have the same origin but are not related to the<br />

species central Asian mountains (Altai, Himalaya, Tien-shan, Tibet). The central<br />

Asian high mountain species are related to arctic, northern European and North<br />

American species. This clade originated probably in North America and migrated via<br />

a northern route to Eurasia. This geographical differentiation within Eurasia might be<br />

due to different climates, but also to speciation and diversification <strong>of</strong> clades in<br />

different time periods.<br />

9


O 09<br />

Phylogeny and biogeography <strong>of</strong> selected plant groups from the<br />

Balkan Peninsula<br />

Božo Frajman 1 & Peter Schönswetter 2<br />

1 Biology Department, Biotechnical Faculty, University <strong>of</strong> Ljubljana, Večna pot 111, SI-<br />

1000 Ljubljana, Slovenia. E-mail: bozo.frajman@bf.uni-lj.si<br />

2 Department <strong>of</strong> Biogeography and Botanical Garden, University <strong>of</strong> Vienna, Rennweg<br />

14, A-1030 Vienna, Austria. E-mail: peter.schoenswetter@univie.ac.at<br />

The Balkan Peninsula is renowned for its biodiversity and high levels <strong>of</strong> endemism<br />

both among animals and plants. Still, biota <strong>of</strong> some parts <strong>of</strong> the Balkans ranges<br />

among the least known in Europe. Studies using modern molecular approaches are<br />

largely lacking, with the exception <strong>of</strong> some recent phylogenetic and phylogeographic<br />

studies.<br />

One <strong>of</strong> the genera with several endemics described from the Balkans is Heliosperma<br />

(Sileneae, Caryophyllaceae). Phylogenetic and phylogeographic studies using<br />

chloroplast and nuclear DNA sequences as well as AFLP data suggest complex<br />

reticulate patterns and molecular data do not support traditional taxonomic<br />

delimitations within the H. pusillum group. Chloroplast data suggest an old split within<br />

the group, which is geographically correlated. This is not supported by nuclear data,<br />

possibly due to hybridisation between the two groups. Molecular dating suggests a<br />

recent, most probably Pliocene/Pleistocene diversification within the group. On the<br />

contrary, H. macranthum from Montenegro/Albania/Kosovo, is likely <strong>of</strong> more ancient<br />

Tertiary origin. The general assumption that many Balkan endemics are Tertiary<br />

relics has thus to be taken with caution.<br />

Another plant group including several Balkan endemics is the Euphorbia barrelieri<br />

group. Phylogenetic studies using nuclear and chloroplast DNA sequences reveal<br />

patterns different from traditional classifications. ITS data suggest that Euphorbia<br />

barrelieri from Italy is not most closely related to E. barrelieri from the Balkan<br />

Peninsula. Euphorbia nicaeensis and E. glareosa are nested within this group and E.<br />

herzegovina is most closely related to E. nicaeensis. Euphorbia kerneri and E. triflora<br />

are most closely related, whereas E. saxatilis from the Eastern Alps forms an<br />

independent lineage. Additional sampling is needed to corroborate these preliminary<br />

results.<br />

10


O 10<br />

Phytogeographical relationships <strong>of</strong> high-mountain flora in the<br />

Carpathians<br />

Zbigniew Mirek 1 , Gheorge Coldea 2 , Roman Letz 3 , Karol Marhold 3,4 , Halina Piękoś-<br />

Mirkowa 5<br />

1 Institute <strong>of</strong> Botany, Polish Academy <strong>of</strong> Sciences, Lubicz 46, PL-31-512 Kraków,<br />

Poland; 2 Institute <strong>of</strong> Biological Research, Strada Republicii 48, RO-3400 Cluj-<br />

Napoca, Romania; 3 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská<br />

cesta 14, SK-845 23 Bratislava, Slovak Republic; 4 Department <strong>of</strong> Botany, Charles<br />

University, Benátská 2, CZ-128 01 Praha 2, Czech Republic; 5 Institute <strong>of</strong> Nature<br />

Conservation Polish Academy <strong>of</strong> Sciences, Al. Mickiewicza 33, PL-31-120 Kraków,<br />

Poland.<br />

Based on distribution <strong>of</strong> high mountain vascular plant species in the Carpathians<br />

most important phytogeographical phenomena are characterised and discussed<br />

relying on multi-varied numerical analyses.<br />

These include:<br />

‐ patterns <strong>of</strong> distribution discernible within high mountain flora <strong>of</strong> the<br />

Carpathians in relation to main phytogeographical elements,<br />

‐ endemism, with special concern to categories <strong>of</strong> endemic species,<br />

‐ division <strong>of</strong> the Carpathians into natural phytogeographical units and floristic<br />

entity <strong>of</strong> these units reflected in distinctiveness <strong>of</strong> high mountain flora,<br />

‐ evident floristic gap and conspicuous differences between western and southeastern<br />

Carpathians,<br />

‐ clear gaps between eastern and southern parts <strong>of</strong> the Carpathians with some<br />

other floristic discontinuities found among these two parts; apart <strong>of</strong> that<br />

gradual changes along the arch <strong>of</strong> the Carpathians from South to the North<br />

and from East to the West have been observed.<br />

Some general relationships with high mountain flora with Alps are drawn.<br />

11


O 11<br />

When phylogeography meets biogeography: Inter- and intraspecific<br />

differentiation and genetic diversity in alpine plants<br />

Conny Thiel-Egenter 1 , Felix Gugerli<br />

1 , Nadir Alvarez 2 , Thorsten Englisch 3 , Rolf<br />

Holderegger 1 & IntraBioDiv-Consortium 4<br />

1 Swiss Federal Research Institute WSL, Zürcherstrasse 111, CH-8903 Birmensdorf,<br />

Switzerland; conny.thiel@wsl.ch, 2 Laboratoire de Botanique Evolutive Université de<br />

Neuchâtel 11, rue Emile-Argand CH-2007 Neuchâtel, Switzerland;<br />

nadir.alvarez@unine.ch, 3 Department <strong>of</strong> Biogeography, Institute <strong>of</strong> Botany, University<br />

<strong>of</strong> Vienna, Rennweg 14, A-1030 Vienna, Austria; thorsten.englisch@univie.ac.at &<br />

4 www.intrabiodiv.eu/IMG/pdf/IntraBioDiv_Consortium_v10.pdf<br />

There is a long history <strong>of</strong> studying the flora in the European Alps and its<br />

biogeography. Since the early 19 th century, scientists have attempted to localize<br />

floristically similar regions and its delimitations. Here, we propose a new approach to<br />

geographically identify biogeographic breaks. We use an exhaustive dataset <strong>of</strong> the<br />

distribution <strong>of</strong> alpine plant species, compiled within the project IntraBioDiv. Data on<br />

species occurrences refer to a regular spatial grid across the whole range <strong>of</strong> the Alps.<br />

On the same grid, we assessed the genetic structure <strong>of</strong> several widely distributed<br />

alpine plant species to identify common phylogeographic breaks. We found that<br />

biogeographic and phylogeographic breaks were largely congruent, indicating that<br />

historical processes acted at both the genetic and the species level in the same<br />

direction. We further assessed genetic diversity <strong>of</strong> these plant species in the Alps and<br />

the Carpathians to test the influence <strong>of</strong> various species traits, elevation and<br />

phylogeographic history on genetic diversity. Species dispersed and pollinated by<br />

wind showed higher genetic diversity than species with self or insect pollination and<br />

animal or gravity dispersal. Genetic diversity was generally lower in the Carpathians<br />

than in the Alps, due to higher topographical isolation <strong>of</strong> alpine habitats in the<br />

Carpathians and this mountain massif’s divergent phylogeographic history. Elevation<br />

did not influence genetic diversity, challenging the long-held view <strong>of</strong> decreasing<br />

genetic diversity with increasing elevation in mountain plants.<br />

12


O 12<br />

Did vascular plants and bryophytes survive the last glaciation in<br />

Scandinavia?<br />

Kristine Bakke Westergaard 1,2 , Magnus Popp 2 , Kjell Ivar Flatberg 3 , Inger Greve<br />

Alsos 4 , Torstein Engelskjøn 1 & Christian Brochmann 2<br />

1 Tromsø University Museum, University <strong>of</strong> Tromsø, N-9037 Tromsø, Norway,<br />

2 Natural History Museum, University <strong>of</strong> Oslo, P.O. Box 1172 Blindern, N-0318 Oslo,<br />

Norway<br />

3 Museum <strong>of</strong> Natural History and Archaeology, Norwegian University <strong>of</strong> Science and<br />

Technology, N-7491 Trondheim, Norway 4 The University Centre in Svalbard, P.O.<br />

Box 156, N-9171 Longyearbyen, Norway; kristine.westergaard@tmu.uit.no,<br />

magnus.popp@nhm.uio.no, kjell.flatberg@vm.ntnu.no, ingera@unis.no,<br />

torstein.engelskjon@tmu.uit.no, christian.brochmann@nhm.uio.no<br />

Glacial survival vs. postglacial immigration <strong>of</strong> the Scandinavian alpine flora has been<br />

debated for more than 100 years, and has recently received increased attention with<br />

the development <strong>of</strong> molecular tools. Several vascular plant species occur disjunctly<br />

on both sides <strong>of</strong> the North Atlantic Ocean, but are lacking from areas east- and<br />

westwards. A subset also absent in the Alps, the so-called ‘west-arctic’ species, has<br />

been considered to provide the strongest evidence for local survival in Scandinavia at<br />

least through the last glaciation. Bryophytes have never attained weight in this<br />

discussion, even though many <strong>of</strong> them are exceptionally hardy and therefore more<br />

likely as in situ survivors. Using AFLPs, cpDNA markers and low-copy nuclear gene<br />

data, we carry out a comparative phylogeographic analysis <strong>of</strong> some <strong>of</strong> these species<br />

to test whether the Scandinavian populations originate from recent (postglacial)<br />

cross-oceanic dispersal from the west, and/or whether they descend from long-term<br />

glacial in situ survivors. This talk will focus on the results from studies on three highly<br />

disjunct species. First, AFLP and cpDNA data from the arctic Saxifraga rivularis s.l.<br />

represents the first case study contributing extensive molecular data to investigate<br />

the extreme biogeographical disjunction between the amphi-Beringian and the<br />

amphi-Atlantic areas. Second, cpDNA data from the ‘west-arctic’ Arenaria humifusa<br />

reveals little variation in the amphi-Atlantic area. Third, preliminary cpDNA data from<br />

the most extreme ‘west-arctic’ and dioecious Carex scirpoidea will be presented.<br />

13


EVOLUTIONARY PROCESSES IN EUROPEAN MOUNTAIN<br />

RANGES<br />

O 13<br />

Primula sect. Aleuritia: a paradigm <strong>of</strong> hybrid speciation via<br />

secondary contact<br />

Elena Conti<br />

University <strong>of</strong> Zurich, Institute for Systematic Botany, Zollikerstrasse 107, Zuerich,<br />

8008, ContiElena@access.unizh.ch<br />

Hybridization, <strong>of</strong>ten followed by polyploidization, represents one <strong>of</strong> the most<br />

important modes <strong>of</strong> speciation in plants, especially in arctic/alpine systems, probably<br />

because the repeated habitat fragmentation caused by advancing and retreating<br />

glaciers during the Pleistocene created many opportunities for secondary contact<br />

between partially differentiated populations. Primula, a circumboreal genus with high<br />

species diversity and variation <strong>of</strong> ploidy levels and breeding systems, is an ideal<br />

group to study the effects <strong>of</strong> climate change on species distribution, reproductive<br />

biology, and speciation modes at different evolutionary scales. Detailed phylogenetic<br />

analyses <strong>of</strong> Primula, sect. Aleuritia revealed that switches to polyploidy and<br />

homostyly co-occurred in the group, possibly as a result <strong>of</strong> recombination at the<br />

heterostyly linkage group caused by genomic rearrangements associated with<br />

polyploidization. The higher success <strong>of</strong> the autogamous polyploid species <strong>of</strong> sect.<br />

Aleuritia at recolonising habitats freed by glacial retreat might be explained in terms<br />

<strong>of</strong> selection for reproductive assurance. Analyses <strong>of</strong> DNA sequences from the<br />

chloroplast and nuclear genomes, in combination with chromosome in situ<br />

hybridization studies, revealed that the amphi-Beringian tetraploid P. egaliksensis<br />

evolved via inter-sectional hybridization from a North American maternal parent and<br />

an Asian paternal parent and that most ITS sequences <strong>of</strong> the tetraploid hybrid were<br />

homogenized towards the paternal repeat.<br />

14


O 14<br />

Gentianella (Gentianaceae): A model taxon for evolution in the<br />

European mountains<br />

Josef Greimler<br />

Systematic and Evolutionary Botany, Faculty Center Botany, University <strong>of</strong> Vienna, A-<br />

1030 Vienna, Rennweg 14, Austria<br />

Members <strong>of</strong> the large genus Gentianella occur on every continent. Taxa <strong>of</strong> the<br />

fimbriate section Gentianella are distributed in the northern latitudes and mountain<br />

ranges <strong>of</strong> North America and Eurasia. The European taxa occur in various<br />

grasslands and open forests throughout the continent and provide a good model<br />

group for investigating processes <strong>of</strong> evolution and speciation. The highest diversity<br />

within this group is found in the Alps and their periphery. Most <strong>of</strong> these ca. 20<br />

European taxa are highly variable due to ecological polymorphism among<br />

populations in different habitats, due to seasonal dimorphism within and among<br />

populations, and probably due to high plasticity at populational and individual levels.<br />

Shifts in resource allocation from the vegetative to the reproductive part and seed<br />

size variation might indicate adaptations to the mountain habitats. Investigations from<br />

reproductive biology, common garden experiments, morphology, nrDNA, cpDNA, and<br />

AFLP reveal a variety <strong>of</strong> evolutionary trends and various processes that can lead to<br />

incipient speciation. In contrast to morphology, genetic data show clear differentiation<br />

into two cryptic species within one widespread taxon. These allopatric cryptic or<br />

sibling species appear to have been separated by Pleistocene climatic oscillations.<br />

The glacial oscillations are obviously responsible for weakly differentiated peripatric<br />

narrow endemic variants in the Southern Alps. Reticulate patterns among taxa seem<br />

to be common and have been investigated in the Northeastern Alps. Seasonal<br />

dimorphism resulting from more recent historical human impact may lead to<br />

sympatric speciation.<br />

15


O 15<br />

Evolving towards the tops: phylogeny and evolution <strong>of</strong> the<br />

European endemic Phyteuma (Campanulaceae)<br />

Gerald M. Schneeweiss 1 , Michael Barfuss 2 , Mike Thiv 3<br />

1 Department <strong>of</strong> Biogeography and Botanical Garden, University <strong>of</strong> Vienna, Rennweg<br />

14, A-103 Vienna<br />

2 Department <strong>of</strong> Systematic and Evolutionary Botany, University <strong>of</strong> Vienna, Rennweg<br />

14, A-103 Vienna<br />

3 Department <strong>of</strong> Botany, Federal Natural History Museum Stuttgart, Rosenstein 1, D-<br />

70191 Stuttgart<br />

Phyteuma comprises c. 20 species endemic to Europe and is morphologically<br />

characterized by its peculiar flower morphology with long and narrow corolla lobes<br />

remaining attached distally and separating only late in anthesis. Phyteuma species<br />

occur in different habitats, ranging from lowland woodlands via mid-elevation rock<br />

crevices to alpine grasslands and subnival tundra, rendering it a good model system<br />

to investigate habitat evolution in a comprehensive phylogenetic context. To this end,<br />

we established a sound hypothesis on the relationships among all Phyteuma species<br />

based on phylogenetic analysis <strong>of</strong> 4.3 kb sequence data from the plastid (trnL-intron<br />

and trnL-trnF spacer, trnK-intron including the matK gene) and the nuclear genome<br />

(ITS). Phyteuma is a well supported monophyletic group and is sister to the SE<br />

Alpine endemic Physoplexis. Within Phyteuma, two clades are found, largely<br />

corresponding to previously recognized sections, which were delimited by the<br />

distribution <strong>of</strong> different inflorescence types (spikes vs. capitulae). The majority <strong>of</strong><br />

currently recognized species are confirmed as separate lineages, while in others,<br />

most notably Ph. globulariifolium and Ph. scheuchzeri, current taxonomy does not<br />

adequately reflect lineage diversity. Using this phylogenetic framework, habitat<br />

evolution is analyzed under the assumptions that habitat evolution correlates either<br />

with the amount <strong>of</strong> molecular evolution (phylogram branch lengths) or with time<br />

(branch length <strong>of</strong> an ultrametric tree). Although the morphologically more primitive<br />

taxa occur in woodlands, there is no evidence that this habitat was the ancestral one<br />

for the genus, but rather the ancestor <strong>of</strong> Phyteuma was a chasmophyte,<br />

alpine/subnival habitats being clearly derived.<br />

16


O 16<br />

Crocus - Evolution and domestication<br />

Marian Ørgaard & Niels Jacobsen<br />

Department <strong>of</strong> Ecology, Faculty <strong>of</strong> Life Sciences, University <strong>of</strong> Copenhagen,<br />

Rolighedsvej 21, DK-1958 Frederiksberg C (Copenhagen), Denmark<br />

Crocus belongs to the family Iridaceae and includes more than 80 species. The<br />

genus is mainly found in the northern Mediterranean region, especially towards the<br />

Middle East. Crocus exhibits a large inter- and intraspecific variation regarding<br />

morphology, cytogenetics and molecular composition. The chromosome numbers<br />

vary from 2n = 6 to 2n = 64 and this variation is also to be found intraspecifically, e.g.<br />

at the subspecies and even population level. Crocus vernus s.l. has a wide<br />

distribution from Spain to easternmost Europe with reported chromosome numbers<br />

varying from 2n = 8 to more than 20. Crocus biflorus s.l. represents the one species<br />

with the most variation encountered. Chromosome numbers range from 2n = 8 to 28<br />

and vary at the subspecies and population level. These cyto-/ecotypes are <strong>of</strong>ten<br />

confined geographically to mountain peaks and ranges. Natural hybridization<br />

between populations and species occurs and give rise to new genotypes and<br />

eventually new species. Variation in chromosome numbers can be explained by the<br />

“Triploid Pathway”. Expression <strong>of</strong> diversity can be speeded up when plants from<br />

different geographical areas are taken into cultivation and allowed to hybridize<br />

through open pollination. This has resulted in more than 200 Crocus cultivars<br />

altogether.<br />

The diversity is registered in morphological appearance, DNA polymorphism (e.g.<br />

results from RFLP, AFLP, in situ hybridization, DNA sequencing), chromosome<br />

number and crossability.<br />

17


O 17<br />

Refuges within refuges: evolutionary complex patterns in southern<br />

Spanish mountain ranges<br />

Gonzalo Nieto Feliner<br />

Real Jardín Botánico, CSIC, Plaza de Murillo 2, 28014 Madrid, Spain<br />

The phylogeographic literature is filled with interpretations <strong>of</strong> current genetic patterns<br />

based on the contraction/expansion model forced by the climatic oscillations during<br />

the last two million years. But <strong>of</strong> the wealth <strong>of</strong> scientific studies accumulated along<br />

the last two decades, particularly in Europe, we only understand reasonably well<br />

those referred to higher latitudes. This is because evolutionary histories in those<br />

latitudes resemble a model in which in each climatic cycle most traces from the<br />

previous one are erased. In southern European ranges (or in general, in those places<br />

where ice effects were less severe) the situation is fairly different and to some extent<br />

opposite. These regions are referred to as refuges due to the long-time recognised<br />

fact that they contain more genetic diversity than elsewhere. But this is due not only<br />

to an accumulation <strong>of</strong> genotypes from other places escaping from extinction but to a<br />

number <strong>of</strong> processes that operated on them, including the mixing <strong>of</strong> different<br />

genotypes. Additional sources <strong>of</strong> complexity come from the predominance <strong>of</strong><br />

mountain ranges in the southern European landscape – adding an altitudinal<br />

migration component to the latitudinal one imposed by climatic changes – and the<br />

patchy nature <strong>of</strong> landscape. The overall consequences are that there is no general<br />

phylogeographic pattern in these regions and that just speaking <strong>of</strong> refuges to refer to<br />

southern regions is an oversimplification. These ideas will be illustrated with data<br />

generated in the last years from various plant groups, which allow, at most, the<br />

identification <strong>of</strong> the processes involved but not the recognition <strong>of</strong> a single<br />

phylogeographic pattern for the so-called southern refuges.<br />

18


O 18<br />

Is hybridization between Pinus sylvestris and P. uncinata expressed<br />

in morphological traits?<br />

Anna K. Jasińska & Witold Wachowiak<br />

Institute <strong>of</strong> Dendrology, Polish Academy <strong>of</strong> Sciences, Parkowa 5, 62-035 Kórnik,<br />

Poland; jasiak9@wp.pl, witoldw@man.poznan.pl<br />

Scots pine (Pinus sylvestris L.) and P. uncinata DC. are closely related species and<br />

they <strong>of</strong>ten create mixed forest stand. The aim <strong>of</strong> this study was to investigate the<br />

natural hybridisation <strong>of</strong> these pine species and answer the question if hybrids can be<br />

recognized using morphological and anatomical traits? Two year-old needles were<br />

collected from individuals from mixed and isolated populations from the Perenees in<br />

Spain and Andorra and from the Central Massive in France. Morpholological and<br />

anatomical analyses show that P. uncinata differs at statistically significant level from<br />

P. sylvestris in a few traits, mostly by the number <strong>of</strong> the resin canals, shape <strong>of</strong><br />

epiddermis cell and the vascular bundles distance. Hybrids origin <strong>of</strong> several<br />

individuals was confirmed with the application <strong>of</strong> the species specific cpDNA<br />

markers. The influence <strong>of</strong> hybridisation for morphological and anatomical traits is<br />

discussed.<br />

19


O 19<br />

Species-genetic diversity correlation in the European alpine<br />

grasslands dominated by Carex curvula<br />

Mihai Puşcaş 1,3 , Pierre Taberlet 1 , Philippe Choler 1,2<br />

1 Laboratoire d’Ecologie Alpine, UMR CNRS-UJF 5553, Université J. Fourier,<br />

Grenoble I, BP53, 38041 Grenoble, France<br />

2 Station Alpine J. Fourier, UMS CNRS-UJF 2925, Université J. Fourier, Grenoble I,<br />

BP53, 38041 Grenoble, France<br />

3<br />

A. Borza Botanical Garden, Babeş-Bolyai University, 400015 Cluj-Napoca,<br />

Romania<br />

mihai.puscas@e.ujf-grenoble.fr, pierre.taberlet@ujf-grenoble.fr, philippe.choler@ujfgrenoble.fr<br />

The distributional range <strong>of</strong> alpine plants experienced dramatic changes during the<br />

Quaternary ice ages. These changes <strong>of</strong>fer many opportunities for studying the impact<br />

<strong>of</strong> habitat contraction and fragmentation on both species and genetic diversity. Here,<br />

we examined the AFLP-based genetic diversity in the sedge Carex curvula All. in<br />

relation to the species diversity <strong>of</strong> siliceous European alpine grasslands in which the<br />

sedge is dominant. We found no relationship or even a negative relationship between<br />

genetic and species diversity indices. Local species richness was associated with the<br />

regional pool size <strong>of</strong> siliceous alpine species, which was itself dependent on the<br />

extant area <strong>of</strong> suitable habitats for these species. Genetic diversity <strong>of</strong> C. curvula was<br />

primarily shaped by the presumed location <strong>of</strong> glacial refugia and the routes <strong>of</strong> postglacial<br />

colonization. We conclude that the two levels <strong>of</strong> diversity are not positively<br />

correlated because genotypes and species do not respond similarly to the spatial<br />

dynamics <strong>of</strong> suitable habitats induced by Quaternary temperature changes.<br />

20


O 20<br />

Evolutionary studies in a group <strong>of</strong> high mountain Artemisia<br />

(Asteraceae, Anthemideae): molecular cytogenetic, phylogenetic<br />

and genome size data<br />

Sònia Garcia 1 , Teresa Garnatje 1 , Oriane Hidalgo 1 , Jaume Pellicer 2 , Sonja Siljak-<br />

Yakovlev 3 , Joan Vallès 2<br />

1 Institut Botànic de Barcelona (CSIC-ICUB), Passeig del Migdia s/n, 08038<br />

Barcelona, Catalonia, Spain; sphaeromeria@gmail.com, tgarnatje@ibb.csic.es,<br />

orianehidalgo@ibb.csic.es 2 Laboratori de Botànica, Facultat de Farmàcia, Universitat<br />

de Barcelona, Av. Joan XXIII s/n, 08028 Barcelona, Catalonia, Spain;<br />

jaumepellicer@ub.edu, joanvalles@ub.edu 3 Écologie, Systématique, Évolution, UMR<br />

CNRS 8079, Université Paris-Sud, bâtiment 360, 91405 Orsay Cedex, France;<br />

sonia.yakovlev@u-psud.fr<br />

The genus Artemisia encompasses some European and west Asian orophytic taxa,<br />

mostly belonging to the subgenus Absinthium, which can be called the Artemisia<br />

umbelliformis complex. This dysploid-polyploid group is distributed from Sierra<br />

Nevada to Central Asian mountains, through the Pyrenees, the Alps and the<br />

Caucasus. Some taxa <strong>of</strong> the group have been largely studied from several<br />

viewpoints, including cytogenetic and biogeographic, but a study involving the whole<br />

complex is lacking and several critical questions regarding its origin and the<br />

relationships between its members still remain unclear. In the framework <strong>of</strong> our<br />

researches on genome organization and evolution in Artemisia and related genera,<br />

we are presenting the results on a dozen taxa (orophytic and their close relatives),<br />

including a molecular phylogenetic reconstruction, chromosome counts, fluorochrome<br />

banding, fluorescent in situ hybridization (FISH) and genome size assessment. On<br />

the light <strong>of</strong> the data obtained, hypotheses are discussed on the origin <strong>of</strong> the dysploidy<br />

(appeared several times in the genus) and <strong>of</strong> polyploid species (through independent<br />

or recurrent events involving the extant diploid taxa and/or some extinct diploid<br />

precursors). Genome size differences have been detected between disjunct<br />

populations <strong>of</strong> the same species, suggesting ongoing diversification processes linked<br />

to geographical isolation.<br />

21


POLYPLOIDY<br />

O 21<br />

Polyploidy and angiosperm diversification<br />

Douglas E. Soltis<br />

Department <strong>of</strong> Botany, University <strong>of</strong> Florida, Gainesville, FL 32611, USA<br />

The importance <strong>of</strong> polyploidy as a major force in angiosperm evolution has long been<br />

recognized. Recent genomic studies have provided important new insights into<br />

polyploid evolution in the flowering plants. The question is no longer “what proportion<br />

<strong>of</strong> angiosperms are polyploid”, but “how many episodes <strong>of</strong> polyploidy characterize<br />

any given lineage.” Through the interplay <strong>of</strong> genomic and phylogenetic approaches,<br />

we are on the verge <strong>of</strong> determining the frequency <strong>of</strong> ancient polyploidy events<br />

throughout angiosperm history. A series <strong>of</strong> investigations suggest that ancient<br />

polyploidy may be ubiquitous among angiosperms; these studies also reveal a<br />

number <strong>of</strong> ancient genome doubling events in the flowering plants. These ancient<br />

events include genome duplication in basal angiosperm lineages, as well as a<br />

proposed paleohexaploid event that may have occurred close to the origin <strong>of</strong> the<br />

eudicot clade. Interestingly, however, there is so far no evidence <strong>of</strong> ancient polyploidy<br />

in Amborella, the sister to all other living angiosperms. A major challenge that<br />

biologists now face is to reconstruct the ancestral genomes <strong>of</strong> lineages prior to<br />

genome duplication. Using new algorithms, it may be possible to reconstruct the<br />

ancestral eudicot genome or even the ancestral angiosperm genome. A major<br />

question has long been, does polyploidy promote species richness? Comparisons <strong>of</strong><br />

species diversification rates suggest that ancient polyploidy has indeed resulted in a<br />

dramatic increase in species richness in several angiosperm lineages, including<br />

Poaceae, Solanaceae, Fabaceae, and Brassicaceae. However, additional genomic<br />

studies are needed to pinpoint the exact phylogenetic placement <strong>of</strong> the ancient<br />

polyploidy events within these lineages.<br />

22


O 22<br />

Polyploid evolution and ecological differentiation in Senecio<br />

carniolicus (Asteraceae)<br />

Peter Schönswetter<br />

Department <strong>of</strong> Biogeography and Botanical Garden, University <strong>of</strong> Vienna, Rennweg<br />

14, A-1030 Vienna, Austria; peter.schoenswetter@univie.ac.at<br />

Senecio carniolicus (Asteraceae), a frequent element <strong>of</strong> acidophilic alpine meadows<br />

<strong>of</strong> the Eastern Alps and the Carpathians, was previously believed to be uniformly<br />

hexaploid. A recent study, however, revealed the existence <strong>of</strong> three main cytotypes<br />

(diploid, tetraploid and hexaploid cytotypes) within the distribution area <strong>of</strong> S.<br />

carniolicus in the Eastern Alps, but also frequent cytotype-mixture within populations.<br />

Another study, focussing on an altitudinal gradient on a mountain slope where di- and<br />

hexaploids are known to co-occur, suggested a narrow altitudinal range <strong>of</strong> the<br />

hexaploid cytotype in the low-alpine belt and a much wider range <strong>of</strong> the diploid one,<br />

spanning both low-alpine and high alpine zones.<br />

In my presentation I will summarise published results and present a new project<br />

exploring origin and maintenance <strong>of</strong> intrapopulational cytotype mixture in S.<br />

carniolicus following two complementary research avenues. First, origin and<br />

evolutionary relationships among different cytotypes will be investigated in both<br />

space and time using a phylogenetic and phylogeographic approach based on DNA<br />

sequence and AFLP fingerprint data, supplemented by molecular cytogenetic and<br />

genome size data. The following aspects will be addressed: (1) Origin <strong>of</strong> polyploids<br />

and cytotype mixture, (2) phylogeographic patterns within and across cytotypes, (3)<br />

chromosomal re-organisation accompanying polyploidisation.<br />

Second, mechanisms for maintenance <strong>of</strong> the cytotype mixture will be explored with<br />

respect to the potential role <strong>of</strong> several pre- and postzygotic isolation mechanisms.<br />

Microsite analysis (analysis <strong>of</strong> surrounding vegetation), phenological observations<br />

with reciprocal transplantations, cross-pollination and germination experiments will be<br />

employed to address the following aspects: (4) habitat segregation and ecological<br />

displacement, (5) flowering time differences and flowering time displacement, and (6)<br />

postzygotic isolation mechanisms.<br />

23


O 23<br />

Biosystematic study <strong>of</strong> the Pilosella alpicola group (Asteraceae,<br />

Lactuceae) – from taxonomy to adaptive evolution<br />

Barbora Šingliarová 1 & Patrik Mráz 2<br />

1 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská cesta 14, SK-845 23<br />

Bratislava, Slovak Republic, barbora.singliarova@savba.sk &<br />

2 Département de<br />

Biologie, Unité d`Ecologie & Evolution, Université de Fribourg, CH-1700 Fribourg,<br />

Switzerland, patrik.mraz@unifr.ch<br />

The Pilosella alpicola group displays a polydisjunctive distributional pattern across<br />

high European ranges (Alps, Carpathians, Balkan mountains). Six subspecies have<br />

been traditionally recognized within the group. Present morphometric study including<br />

populations from the whole range revealed four morphologically well-separated<br />

allopatric taxa. Significant taxon-specific ploidy level variation was detected. While P.<br />

ullepitschii and P. glandulifolia are exclusively diploid taxa, P. rhodopea and P.<br />

alpicola s.str. possess four and three different cytotypes respectively, in ploidy-mixed<br />

populations. Allozymic variation reflects reproduction mode <strong>of</strong> the particular ploidy<br />

level. Although diploid sexually reproducing plants display much higher genetic<br />

variation (e.g. proportion <strong>of</strong> different multilocus genotypes) than polyploids<br />

reproducing mostly apomictically, the latter ones <strong>of</strong>ten harbour the alleles which are<br />

rare or missing in corresponding diploid cytotype. Thus, the polyploids might serve as<br />

a stock <strong>of</strong> alleles fixed by apomictic reproduction. Absolute DNA content downsizing<br />

found in the diploid cytotype is significantly correlated with decreasing precipitation<br />

during growing season. Cline variation was observed in some physiological traits<br />

relating to water-use efficiency such as specific leaf area, percentage <strong>of</strong> leaf carbon<br />

and ∆ 13 C. Interestingly, the morphological characters discriminating particular taxa<br />

and considered as important phenotypic traits involved in evapotranspiration, such as<br />

density and colour <strong>of</strong> indumentum, show similar pattern. Clothing and stellate<br />

trichomes are more dense and brighter in taxa growing in southern ranges with lower<br />

precipitation during vegetation season. Our findings can be explained by adaptive<br />

speciation operating in allopatry among closely related taxa.<br />

24


O 24<br />

Species delimitation in a complex polyploid group - Papaver section<br />

Meconella<br />

Heidi Solstad, Christian Brochmann & Reidar Elven<br />

National Centre for Biosystematics, Natural History Museum, University <strong>of</strong> Oslo, P.O.<br />

Box 1172 Blindern, NO-0318 Oslo, Norway, heidi.solstad@nhm.uio.no<br />

The arctic and alpine poppies – Papaver section Meconella – constitute a<br />

widespread mainly polyploid group <strong>of</strong> about 70-80 species. The group is notorious for<br />

its taxonomic problems. Several attempts have not resulted in any consensus as to<br />

number <strong>of</strong> species or their relationships. The treatments currently applied in different<br />

regions are largely incompatible. We investigated phylogenetic relationships and<br />

species delimitation using DNA sequences <strong>of</strong> plastid regions, ITS and a low copy<br />

nuclear region (RPA2), AFLPs, morphological analysis, and ploidy variation by flow<br />

cytometry and chromosome counts. The phylogenetic relationships within section<br />

Meconella remain, however, still largely unresolved, probably due to very recent<br />

evolution and extensive reticulation by hybridization and polyploidization. AFLP<br />

analysis <strong>of</strong> a subset <strong>of</strong> the section identified 30-40 more or less distinct entities,<br />

supported by morphological and ploidy consistency as corresponding to species or<br />

subspecies, but only partly reflecting current taxonomic solutions. Some <strong>of</strong> the<br />

conclusions are that recognition <strong>of</strong> three North European species (P. radicatum, P.<br />

lapponicum and P. dahlianum s.str.) is supported, that the two former have unclear<br />

links to other species, and that P. dahlianum s.l. is closely related to a Beringian<br />

species. The AFLP data indicate high species diversity in northeastern Asia and<br />

northwestern North America, in America distinctly higher than the number <strong>of</strong> currently<br />

recognized and named species.<br />

25


O 25<br />

Recurrent allopolyploidization in Brassicaceae<br />

Kentaro Shimizu 1 , Rie Shimizu-Inatsugi 1,2 , Hiroshi Kudoh 2 , Judita Lihová 3 & Karol<br />

Marhold 3,4<br />

1 Institute <strong>of</strong> <strong>Plant</strong> Biology, University <strong>of</strong> Zurich, Zollikerstrasse 107, CH-8008,<br />

Switzerland; shimizu@botinst.uzh.ch, inatsugi@botinst.uzh.ch,<br />

2 Center for Ecological Research, Kyoto University, Hirano, Ohtsu, Shiga, 520-2113,<br />

Japan, kudoh@kobe-u.ac.jp<br />

3 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská cesta 14, SK-845 23<br />

Bratislava, Slovak Republic; judita.lihova@savba.sk, karol.marhold@savba.sk &<br />

4 Department <strong>of</strong> Botany, Charles University, Benátská 2, CZ-128 01 Praha 2, Czech<br />

Republic<br />

Although polyploidy is widespread, parental species are not known in most <strong>of</strong> the<br />

cases. Chloroplast and ITS sequences may be incongruent or have inadequate<br />

information. However, the sequencing <strong>of</strong> nuclear single genes is not a trivial task.<br />

Cloning procedures may be used to separate the mixtures <strong>of</strong> homoeologue<br />

sequences, but the number <strong>of</strong> clones containing artificial recombinants can be quite<br />

high (0-89%) and thus much effort is needed to distinguish true sequences from<br />

artificial recombinants. We developed a rapid method to design homeolog-specific<br />

primers. First, the mixture <strong>of</strong> homoeologues is amplified using universal primers, and<br />

the promoter region was directly sequenced. A short readable portion is <strong>of</strong>ten<br />

followed by a portion with overlaid peaks, which was presumably caused by smallscale<br />

insertion/deletion differences between the homoeologues. The primers<br />

embracing the detected insertion/deletion difference would, in this case, be<br />

homoeologue-specific ones.<br />

Cardamine is one <strong>of</strong> the largest genera in Brassicaceae with >200 species. We found<br />

that allopolyploidy occurred repeatedly and explored new niche. Evolutionary and<br />

ecological significance <strong>of</strong> the polyploidy will be discussed. We will also discuss about<br />

polyploid taxa <strong>of</strong> Arabidopsis living in mountainous and alpine habitats.<br />

References<br />

Shimizu, K.K., Fujii, S., Marhold, K., Watanabe, K., Kudoh, H. (2005). Arabidopsis<br />

kamchatica (Fisch. ex DC.) K. Shimizu & Kudoh and A. kamchatica subsp.<br />

kawasakiana (Makino) K. Shimizu & Kudoh, new combinations. Acta Phytotax.<br />

Geobot. 56: 165-174.<br />

Lihova, J., Shimizu, K. K., Marhold, K. (2006). Allopolyploid origin <strong>of</strong> Cardamine<br />

asarifolia (Brassicaceae): Incongruence between plastid and nuclear ribosomal DNA<br />

sequences solved by a single-copy nuclear gene. Mol. Phylogenet. Evol. 39: 759-<br />

786.<br />

26


O 26<br />

Phylogeography and polyploid evolution in the white-rayed<br />

complex <strong>of</strong> Melampodium (Asteraceae)<br />

Carolin Rebernig 1 , Hanna Schneeweiss 1 , Renate Obermayer 1 , Cordula Blöch 1 , José<br />

Villaseñor 2 & Tod Stuessy 1 .<br />

1 Department <strong>of</strong> Systematic and Evolutionary Botany, University <strong>of</strong> Vienna, Austria;<br />

Herbario Nacional, Universidad Nacional Autónoma, Mexico, D.F.<br />

The genus Melampodium (Asteraceae, Heliantheae) consists <strong>of</strong> 39 species<br />

distributed mainly throughout Mexico and Central America. Most species have<br />

flowering heads with yellow rays, except for three shrubby, xerophytic taxa in the<br />

southwestern U.S.A. and adjacent Mexico, M. argophyllum, M. cinereum and M.<br />

leucanthum, which are clearly separated by morphological, distributional, and<br />

ecological features. Molecular populational studies both with AFLPs (six primer<br />

combinations) and chloroplast haplotypes (four markers: psbA-trnH, ndhF-rpL32,<br />

trnQ-rpS16, rpL32-trnL) also support these taxonomic distinctions. Based on<br />

molecular phylogenetic analyses (with nuclear and chloroplast markers), it appears<br />

that the white-rayed complex originated from a yellow-rayed ancestor <strong>of</strong> Series<br />

Cupulata in northwestern Mexico and adjacent Arizona. Within the complex, three<br />

different ploidy levels have been reported: diploid, tetraploid, and hexaploid. While M.<br />

argophyllum is uniformly hexaploid, both diploid and tetraploid cytotypes occur in the<br />

other two species. In this study all individuals analysed for AFLPs and cpDNA<br />

haplotypes have also been examined for ploidy level, which enables formulation <strong>of</strong><br />

hypotheses on evolutionary origin <strong>of</strong> polyploids. In M. leucanthum and M. cinereum<br />

diploids prevail in the western portions <strong>of</strong> their ranges and tetraploids in eastern<br />

sectors. Assignment tests show that tetraploids are <strong>of</strong> autopolyploid origin, and<br />

pollen/ovule ratios strongly indicate xenogamous breeding systems. The hexaploid,<br />

M. argophyllum, appears to be an allopolyploid, with M. cinereum being the paternal<br />

and M. leucanthum the maternal parent.<br />

27


O 27<br />

Participation <strong>of</strong> the high mountainous grass Colpodium versicolor<br />

(Poaceae) in the evolution <strong>of</strong> some Zingeria species<br />

Violetta Kotseruba 1 , Klaus Pistrick 2 , Anahit Ghukasyan 3 , Andreas Houben 2<br />

1<br />

Komarov Botanical Inst., 197376 St. Petersburg, Russia,<br />

viola.kotseruba@gmail.com<br />

2<br />

Leibniz-Institute <strong>of</strong> <strong>Plant</strong> Genetics and Crop <strong>Plant</strong> Research (IPK), 06466<br />

Gatersleben, Germany, pistrick@ipk-gatersleben.de, houben@ipk-gatersleben.de<br />

3 National Botanical Institute <strong>of</strong> Armenia, Erevan, Armeni, abotanyinst@sci.am<br />

The high mountainous grass Colpodium versicolor (Stev.) Schmalh. has an unusual<br />

low basic chromosome number <strong>of</strong> two considering that the basic number <strong>of</strong><br />

chromosomes <strong>of</strong> the Poaceae family is seven. At this moment we know only four<br />

plants with high reduced chromosome number 2n=4 and two <strong>of</strong> them belong to the<br />

Poaceae family: Colpodium versicolor and Zingeria biebersteiniana (Claus) P.A.<br />

Smirn.<br />

Analyses <strong>of</strong> the relation between these unique two genera <strong>of</strong> grasses including<br />

Colpodium versicolor (2n=2x=4, 2C=2.4 pg) Zingeria biebersteiniana (2n=2x=4,<br />

2C=3.5 pg) Z. trichopoda (Boiss.) P. A. Smirn. (2n=4x=8, 2C=5.3 pg) and Zingeria<br />

kochii (Mez) Tzvelev (2n=6x=12, 2C=6.7pg) revealed a dynamic evolution <strong>of</strong> the<br />

genomes with the following results: (1) Z. trichopoda is <strong>of</strong> amphidiploid origin. Only<br />

four <strong>of</strong> the eight chromosomes <strong>of</strong> Z. trichopoda are strongly labelled after genomic in<br />

situ hybridisation with genomic DNA <strong>of</strong> Z. biebersteiniana. Therefore, Z. trichopoda<br />

evolved from a hybrid involving a species very close to the recent form <strong>of</strong> Z.<br />

biebersteiniana and a second species with a similar low number <strong>of</strong> chromosomes. (2)<br />

Z. kochii is <strong>of</strong> allohexaploid origin. Four <strong>of</strong> the twelve chromosomes <strong>of</strong> Z. kochii are<br />

strongly labelled after genomic in situ hybridisation with genomic DNA <strong>of</strong> Z.<br />

biebersteiniana, and four other chromosomes are strongly labelled with genomic<br />

DNA <strong>of</strong> C. versicolor. Therefore, Z. kochii evolved from a hybrid involving a species<br />

very close to the recent form <strong>of</strong> Z. biebersteiniana and C. versicolor.(3) The 45S<br />

rDNA loci <strong>of</strong> the Z. biebersteiniana-similar component <strong>of</strong> Z. kochii vanished after<br />

amphiploidisation. Supported by: RFBR 06-04-48399, DAAD 325, DFG 2001, DFG<br />

2005.<br />

28


O 28<br />

Chromosome evolution in selected mountainous species <strong>of</strong> Luzula<br />

(woodrush).<br />

Monika Bozek 1 , Andrew R. Leitch 2 , Yoong K. Lim 2 , Graham Moore 3 , Thomas Haizel 3<br />

and Elzbieta Kuta 1<br />

1 Department <strong>of</strong> <strong>Plant</strong> Cytology and Embryology, Institute <strong>of</strong> Botany, Jagiellonian<br />

University, 52 Grodzka Street, 31-044 Cracow, Poland, m.bozek@iphils.uj.edu.pl<br />

2 School <strong>of</strong> Biological and Chemical Sciences, Queen Mary, University <strong>of</strong> London,<br />

Mile End Road, London E1 4NS, UK<br />

3 John Innes Centre, Colney Lane, Norwich, Norfolk NR4 7UH, UK<br />

The monophyletic genus Luzula is a cosmopolitan Juncaceae taxon comprising<br />

about 115 species. It is the only known plant genus where all species have<br />

holocentric chromosomes, in which the kinetochore proteins occur along the entire<br />

chromatid. This attribute enables fused chromosomes and chromosome fragments to<br />

segregate normally in cell divisions. As a result, chromosome fragmentation<br />

(agmatoploidy) and/or fusion (symploidy) are commonly occurring structural<br />

chromosome mutations. Furthermore, polyploidy can be superimposed on these<br />

changes. Interestingly, a significant number <strong>of</strong> these events occur in species<br />

originating in alpine regions. We analyse karyotype divergence in eight closelyrelated<br />

species to better understand patterns <strong>of</strong> holocentric chromosome evolution in<br />

Luzula. C-banding and fluorescent in situ hybridisation (FISH) with selected DNA<br />

sequences (centromeric-LCS1, plant telomeric TTTAGGG, ribosomal DNA,<br />

retroelements) supported by dot-blot estimates <strong>of</strong> sequence copy numbers and<br />

nuclear DNA measurements are used to characterize genome structure.<br />

Heterochromatin banding patterns are similar between species. Likewise the<br />

centromeric repeat-LCS1, which contributes significantly to the heterochromatic<br />

fraction <strong>of</strong> the genome, is found at numerous bands across the genome. Studies on<br />

retroelement distribution, especially between symploid and related diploid species,<br />

reveal lineages with extraordinary copy number increases.<br />

In a symploid species none <strong>of</strong> our markers indicated ancient fusions (e.g. interstitial<br />

rDNA loci or multiple loci on a single chromosome) and in polyploids there is<br />

evidence for diploidisation (e.g. a reduction in rDNA locus number from expectation),<br />

both results indicate genome evolution subsequent to karyotype structural change.<br />

29


O 29<br />

From individuals to populations: the impact <strong>of</strong> flow cytometry on<br />

understanding polyploid evolution in mountain plants<br />

Jan Suda<br />

Department <strong>of</strong> Botany, Faculty <strong>of</strong> Science, Charles University in Prague, Benátská 2,<br />

CZ-128 01 Prague, Czech Republic & Institute <strong>of</strong> Botany, Academy <strong>of</strong> Sciences,<br />

Průhonice 1, CZ-252 43 Průhonice, Czech Republic; suda@natur.cuni.cz<br />

Flow cytometry (FCM) is a powerful technology that simultaneously measures and<br />

analyses multiple parameters <strong>of</strong> single particles (cells, nuclei). Since the 1980s, use<br />

<strong>of</strong> FCM in plant population and evolutionary biology, biosystematics, and ecology has<br />

expanded dramatically both in scope and frequency, addressing primarily questions<br />

<strong>of</strong> phenotypic manifestation, spatial distribution, and evolutionary dynamics <strong>of</strong><br />

genome duplication (polyploidy). Estimating differences in nuclear DNA content, FCM<br />

<strong>of</strong>fers many advantages over other methods <strong>of</strong> detecting ploidy, high speed and<br />

reliability in particular, which paves the way for large-scale surveys at the landscape,<br />

population, individual, and tissue levels. Representative samplings allowed gaining<br />

novel insights into the extent <strong>of</strong> intra- and inter-population ploidy variation, niche<br />

differentiation, and ecological preferences <strong>of</strong> particular cytotypes. The technique is<br />

ideally suited for the detection and quantification <strong>of</strong> rare evolutionary episodes. An<br />

attractive feature is the possibility to reformulate former taxonomic concepts and<br />

propose robust classifications based on detailed understanding <strong>of</strong> population<br />

structure and phenotypic differentiation <strong>of</strong> polyploid alliances under investigation.<br />

Discrimination among homoploid taxa and their hybrids, based on differences in<br />

genome size, is another power <strong>of</strong> FCM. In combination with other, notably molecular,<br />

techniques, FCM promises qualitative advances in our understanding <strong>of</strong> genome<br />

multiplication and the population biology <strong>of</strong> vascular plants. Examples from both<br />

European (e.g., Androsace, Anthoxanthum, Empetrum, Pilosella, Senecio,<br />

Vaccinium) and extra-European (e.g., Lasiocephalus, Lychnis, Swertia) mountain<br />

plants will be discussed.<br />

30


O 30<br />

Evolutionary-related changes in marginal wheat populations -<br />

speciation versus elimination<br />

Olga Raskina & Alexander Belyayev<br />

Institute <strong>of</strong> Evolution, University <strong>of</strong> Haifa, Mount Carmel, Haifa 31905, Israel;<br />

raskina@research.haifa.ac.il, belyayev@research.haifa.ac.il<br />

The Middle East is considered to be the primary center <strong>of</strong> diploid and polyploid<br />

Triticeae species variability where local populations exhibit significant genetic<br />

diversity. A comprehensive study <strong>of</strong> wild tetraploid Triticum dicoccoides and five<br />

diploid Aegilops species (sect. Sitopsis) <strong>of</strong> marginal populations revealed a wide<br />

spectrum <strong>of</strong> intra-specific variability in repetitive DNA fractions (tandem repeats and<br />

transposable elements (TE)). It was discovered that: (i) several TEs are<br />

transpositionally active; (ii) there is a significant change in TE numbers over<br />

succeeding generations; (iii) copy numbers <strong>of</strong> TEs as well as the amplitude <strong>of</strong><br />

oscillation in copy number are much higher in gametophyte than in sporophyte; (iv)<br />

temporal change in TE copy number is associated with a high level <strong>of</strong> morphological<br />

and chromosomal aberrations. Two contrasted scenarios <strong>of</strong> marginal population<br />

development can be distinguished. Both scenarios imply sufficient genome<br />

perturbations (chromosomal aberrations, TE activization, etc.). The first scenario<br />

leads to population elimination. Another scenario assumes that genetic/epigenetic<br />

alterations could allow species with plastic genomes to survive as new forms/species<br />

under intensive environmental pressure. We hypothesize that on a diploid level four<br />

Sitopsis species originated in this way, as derivatives <strong>of</strong> Ae. speltoides due to<br />

dynamics <strong>of</strong> Middle Eastern flora in the Holocene. Another way is allopolyploidy −<br />

when two or more different genomes unify in one nucleus to create a new species.<br />

Our data support that B- and G-genomes <strong>of</strong> allopolyploid wheat are similar to the two<br />

contrasting types <strong>of</strong> Ae. Speltoides<br />

31


O 31<br />

Evolutionary responses towards adaptation and speciation after<br />

allopolyploidization in Dactylorhiza (Orchidaceae)<br />

Ovidiu Paun, Mark W. Chase, Javier A. Luna, Robyn Cowan & Michael F. Fay<br />

Jodrell Laboratory, Royal Botanic Gardens Kew, Richmond TW9 3DS, U.K.;<br />

o.paun@kew.org, m.chase@kew.org, javoluna@gmail.com, r.cowan@kew.org,<br />

m.fay@kew.org,<br />

Hybridization and polyploidization are widespread in angiosperms and regularly<br />

stimulate plant evolution, promoting genetic diversity, evolutionary innovation,<br />

adaptive radiation and speciation. An important feature <strong>of</strong> allopolyploidization is its<br />

potential to occur repeatedly between the same parental taxa, leading to arrays <strong>of</strong><br />

allopolyploids that subsequently interbreed. In Dactylorhiza, ecologically divergent<br />

allotetraploids D. majalis, D. traunsteineri and D. ebudensis resulted from<br />

hybridization <strong>of</strong> diploids D. fuchsii and D. incarnata. In this system we are analysing<br />

consequences <strong>of</strong> polyploidy and hybridization on natural evolution <strong>of</strong> the genomes<br />

and adaptation to the environment. A genome-wide survey <strong>of</strong> the transcriptome at<br />

286 loci using cDNA amplified fragment length polymorphism (cDNA-AFLP),<br />

complemented by investigating epigenetic variation with methylation sensitive AFLP<br />

(MSAP), indicates extensive physical (non-epigenetic) differences in gene expression<br />

between parents and descendants, as well as between allotetraploids. Although no<br />

widespread repeatable loss <strong>of</strong> low copy DNA sequence is apparent in the hybrids,<br />

there is a significant increase <strong>of</strong> the number <strong>of</strong> transcripts expressed at a moment in<br />

time in the polyploids potentially resulting in biological complexity increase. Several<br />

novel transcripts in the polyploids are associated with environmental parameters and<br />

might represent parts <strong>of</strong> the molecular mechanisms that result in adaptation to<br />

different ecological conditions/habitats enforcing reproductive isolation. In addition to<br />

stabilizing allopolyploid genomes such novel expression patterns along with<br />

increased heterozygosity and gene redundancy might confer on hybrids an elevated<br />

evolutionary potential, with effects at scales ranging from the molecular to the<br />

ecological.<br />

32


MOLECULAR APPROACHES IN PLANT EVOLUTION<br />

O 32<br />

DNA barcoding and reconstruction <strong>of</strong> past plant communities from<br />

permafrost samples<br />

Pierre Taberlet 1 & Ludovic Gielly ,1<br />

1 Laboratoire d’Ecologie Alpine, CNRS UMR 5553, Université Joseph Fourier, BP 53,<br />

38041 Grenoble Cedex 9, France.<br />

DNA barcoding, i.e. taxon identification using a standardized DNA region, has<br />

received much attention recently, and is being further developed through an<br />

international initiative. The now well-established Consortium for the Barcode <strong>of</strong> Life<br />

(CBOL; http://barcoding.si.edu/), an international initiative supporting the<br />

development <strong>of</strong> DNA barcoding, aims to both promote global standards and<br />

coordinate research in DNA barcoding. For plants, the target is chloroplast (cp) DNA,<br />

but the situation is controversial, due to the relatively low sequence variation <strong>of</strong> this<br />

genome. With more and more DNA sequences allowing species identification<br />

accessible in databases and new sequencing technologies dramatically expanding<br />

available sequencing power, we anticipate that DNA barcoding techniques will be<br />

increasingly used by ecologists for biodiversity assessment. They will be able to<br />

determine the composition <strong>of</strong> complex source material. For example, the use <strong>of</strong> very<br />

short DNA fragments that persist in the environment will allow an assessment <strong>of</strong> local<br />

biodiversity from soil. In the talk, I will emphasize the perspectives <strong>of</strong>fered by the<br />

analysis <strong>of</strong> environmental samples. I will focus on the adjustment <strong>of</strong> the methodology<br />

to reconstruct past plant communities from permafrost samples. I will also present the<br />

first results concerning modern Arctic soil and permafrost samples. Finally, I will<br />

discuss the power and the limitations <strong>of</strong> such an approach.<br />

33


O 33<br />

Low copy rDNA types dominate expression <strong>of</strong> rDNA in Tragopogon<br />

allotetraploids<br />

Hana Šrubařová 1 , Roman Matyášek 1 , Yoong K. Lim 3 , Andrew R. Leitch 3 , Douglas E.<br />

Soltis 2 , Pamela S. Soltis 4 , Aleš Kovařík 1<br />

1 Institute <strong>of</strong> Biophysics, Academy <strong>of</strong> Sciences <strong>of</strong> the Czech Republic, Královopolská<br />

135, CS-61265 Brno, Czech Republic, Srubarova@ibp.cz<br />

2 Department <strong>of</strong> Botany, University <strong>of</strong> Florida, Gainesville, FL 32611, U.S.A<br />

3 School <strong>of</strong> Biological Sciences, Queen Mary, University <strong>of</strong> London, E1 4NS, U.K.<br />

4 Florida Museum <strong>of</strong> Natural History, University <strong>of</strong> Florida, Gainesville, FL 32611,<br />

U.S.A.<br />

Interspecific hybrids and allopolyploids <strong>of</strong>ten silence expression <strong>of</strong> ribosomal genes<br />

inherited from one parental species. This phenomenon, known as nucleolar<br />

dominance, was studied at the population level in recent (


O 34<br />

Molecular studies <strong>of</strong> Amaranthaceae based on matK DNA sequence<br />

data<br />

Oluwatoyin T. Ogundipe 1 and Mark Chase 2<br />

1 Department <strong>of</strong> Botany and Microbiology, University <strong>of</strong> Lagos, Akoka, Lagos, Nigeria;<br />

toyin60@yahoo.com<br />

2 Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3DS,<br />

Comparative sequencing <strong>of</strong> the chloroplast matK coding and non-coding regions was<br />

used to examine relationship among the species <strong>of</strong> Amaranthaceae with emphasis<br />

on the West African species and other closely related families such as<br />

Chenopodiaceae, Portulacaceae and Caryophyllaceae. Phylogenetic analysis <strong>of</strong> the<br />

matK sequences alone and in combination using maximum parsimony methods<br />

produced monophyletic lineage <strong>of</strong> Amaranthaceae-Chenopodiaceae. Our results<br />

indicated that a polyphyletic Celosieae as sister to an Amaranthus-Chemissoa<br />

lineage. Subfamily Amaranthoideae is paraphyletic to the core Gomphrenoids. This<br />

study also shows that the polyphyly <strong>of</strong> Amarantheae is apparent and so is the<br />

polyphyly <strong>of</strong> Amaranthinae.<br />

35


O 35<br />

Evolution <strong>of</strong> a RNA polymerase gene family in the polyploid<br />

Cerastium alpinum complex<br />

Anne Krag Brysting<br />

Centre for Ecological and Evolutionary Synthesis, Department <strong>of</strong> Biology, P.O.Box<br />

1066 Blindern, N-0316 Oslo, Norway; a.k.brysting@bio.uio.no<br />

The high-polyploid Cerastium alpinum complex (Caryophyllaceae) has been shaped<br />

through repeated hybridization and polyploidization events. By the use <strong>of</strong> a network<br />

algorithm and sequences <strong>of</strong> a single-copy nuclear region <strong>of</strong> the RNA polymerase II<br />

gene family RPB2, we have previously shown that it is possible to untangle genome<br />

mergings within this species complex. RPB2 nicely tracks the allopolyploid events<br />

that gave rise to several recent (late Pleistocene) octo- and dodecaploid taxa.<br />

However, only remnants <strong>of</strong> one or more earlier tetraploidization events are present as<br />

pseudogenes in some <strong>of</strong> the supposed tetraploid ancestral taxa. Here, new data from<br />

a non-coding region <strong>of</strong> the RNA polymerase IV gene family RPD2 is presented. In<br />

some eudicot angiosperm taxa (e.g. Arabidopsis, Silene and Viola) this gene has<br />

been independently duplicated. In some lineages subfunctionalization or<br />

ne<strong>of</strong>unctionalization <strong>of</strong> the two paralogues has occurred (probably specializing on the<br />

two different RNA polymerase IV types existing in angiosperms), and in other<br />

lineages one paralogue has become pseudogenised or completely lost. RPD2 is<br />

duplicated also in Cerastium; two very different paralogues were amplified for all<br />

analysed taxa, and for each <strong>of</strong> these paralogues several copies exist depending on<br />

the ploidy level <strong>of</strong> the particular taxon. In the talk, I will present the most recent data<br />

and in the light <strong>of</strong> results from other studies (Silene and Viola) discuss the fate <strong>of</strong> the<br />

different paralogues following genome merging in the allopolyploid Cerastium<br />

alpinum complex.<br />

36


O 36<br />

Comparative genomics in the Brassicaceae: Genetic mapping,<br />

chemical defense and apomixis in montane Boechera<br />

M. Eric Schranz<br />

University <strong>of</strong> Amsterdam, Institute for Biodiversity and Ecosystem Dynamics (IBED),<br />

Kruislaan 318, building I-B019, 1098 SM Amsterdam, The Netherlands<br />

m.e.schranz@uva.nl<br />

Comparative genomics <strong>of</strong> Arabidopsis relatives has great potential to improve our<br />

understanding <strong>of</strong> molecular function and evolutionary processes. In the last two years<br />

there have been major advances in our understanding <strong>of</strong> Brassicaceae relationships,<br />

genome structure and the evolution <strong>of</strong> specific traits. I will discuss the development<br />

and application <strong>of</strong> comparative genomics tools within a phylogenetic framework to<br />

study the evolution <strong>of</strong> chemical defense and apomixis in the North American genus<br />

Boechera. The partial genome sequencing and construction <strong>of</strong> a genetic linkage map<br />

<strong>of</strong> B. stricta provide the framework for comparisons and evolutionary analysis <strong>of</strong><br />

genome structure relative to Arabidopsis and other Brassicaceae. Analysis <strong>of</strong><br />

glucosinolates, important secondary compounds in plant defense, identified a major<br />

polymorphism both within and between species. Quantitative Trait Locus (QTL)<br />

analysis using our genetic mapping population identified a single locus controlling<br />

both glucosinolate pr<strong>of</strong>iles and levels <strong>of</strong> herbivory. Work is now underway to clone<br />

this locus. The genus Boechera is also an excellent system to study apomixis<br />

(asexual reproduction) because <strong>of</strong> the rare occurrence <strong>of</strong> apomixis at the diploid level<br />

and its potentially simple inheritance by transmission <strong>of</strong> a heterochromatic (Het)<br />

chromosome. Investigations on the potential role <strong>of</strong> hybridization, polyploidization<br />

and transmission <strong>of</strong> the Het chromosome on the control and evolution <strong>of</strong> apomixis in<br />

Boechera will be discussed.<br />

37


ECOLOGICAL FACTORS IN PLANT EVOLUTION<br />

O 37<br />

Population differentiaton, local adaptation and gene flow in the<br />

alpine landscape<br />

Jürg Stöcklin<br />

Botanical Institute, University <strong>of</strong> Basel, Schönbeinstrasse 6, CH-4056 Basel,<br />

Switzerland. E-mail: juerg.stoecklin@unibas.ch<br />

Steep environmental gradients and patchy habitats characterize alpine environments.<br />

Life conditions change dramatically with altitude, exposition, snow cover or<br />

succession. As a consequence, shifts in selection pressure are to be expected.<br />

Spatial isolation and limited gene flow are the rule for alpine plants, and<br />

differentiation might also result from small population size and genetic drift.<br />

Furthermore, most alpine areas include cultural landscapes; agricultural land use has<br />

considerably added to the natural diversity <strong>of</strong> alpine habitats. The characteristics <strong>of</strong><br />

alpine environments are well known but consequences for evolutionary processes<br />

are still poorly understood. Here I present case studies <strong>of</strong> alpine plant species to<br />

answer the following general questions. Does genetic diversity decrease with<br />

altitude? How is genetic diversity distributed within and among populations and by<br />

what factors is it affected? How important is population differentiation in important<br />

liefe history traits? Is selection pressure strong enough for pronounced adaptation<br />

along ecological gradients? Genetic diversity was found to be generally high, and<br />

genetic differentiation was not particularly pronounced, but increasing with<br />

geographic distance in all studied cases. Results suggest considerable genetic drift<br />

among populations <strong>of</strong> alpine plants, but it is not high enough to mask genetic imprints<br />

<strong>of</strong> glacial history. Adaptive trait differentiation was observed due to altitude and as a<br />

consequence <strong>of</strong> different land use. Selection pressure in contrasting habitats is not<br />

always strong enough for pronounced differentiaton. Factors like land use or local<br />

conditions may override altitude. To conclude: Genetic variation in growth and<br />

reproduction are common among isolated populations <strong>of</strong> alpine plants and is shaped<br />

by adaptive as well as random evolutionary processes. Plasticity in growth and<br />

reproduction help plants to survive in the alpine landscape.<br />

38


O 38<br />

How alpine landscapes and dispersal vectors shape gene-flow and<br />

population structure in Melampyrum sylvaticum<br />

Jörg Wunder 1,2 , Mingai. Li 2 , Ruggero Valentinotti 2 , Fabio Zottele 2 , Filippo Prosser 3 ,<br />

Eliana Scarponi 2 , Michele Graziola 2 , Enrico Barbaro 2, Heinz Saedler 1 , Claudio<br />

Varotto 2<br />

1 Max-Planck-Institut for <strong>Plant</strong> Breeding Research, Dep. Molecular <strong>Plant</strong> Genetics,<br />

Carl-von-Linné-Weg 10, 50829 Cologne, Germany: wunder@mpiz-koeln.mpg.de<br />

2 Istituto Agrario di San Michele all’Adige, Via Edmondo Mach 1, 38010 San Michele<br />

all'Adige, Trento, Italy,<br />

3 Museo Civico di Rovereto, Borgo S.Caterina 41, 38068 Rovereto, Italy<br />

The processes acting within and between populations at landscape scale are the<br />

basis for most evolutionary events in nature. They shape the genetic structure <strong>of</strong><br />

populations, affect local adaptations to microhabitats and the development <strong>of</strong><br />

ecotypes and subspecies. To better understand the effects <strong>of</strong> both the intrinsic<br />

biological properties <strong>of</strong> a species and highly structured alpine landscapes on these<br />

processes, we analyzed the myrmecochore and bumblebee pollinated species M.<br />

sylvaticum L.<br />

AFLP analyses revealed strong spatial genetic structure (SGS) both within and<br />

among populations and regions (Φ ST =0.65, Φ CT =0.14). SGS within populations is<br />

mainly due to the restricted seed dispersal ability <strong>of</strong> ants and high selfing rates.<br />

Furthermore there were correlations between geographic and genetic distances<br />

indicating distance dependent gene flow at various scales. The regular dispersal<br />

vectors, however, only account for gene-flow within populations. Regional SGS are<br />

due to non-standard dispersal vectors, not in line with the morphological dispersal<br />

syndrome. To improve the representation <strong>of</strong> the landscape in the correlation<br />

analyses, we further developed a GIS-model describing habitat suitability. - In the<br />

presentation we will discuss the spatial genetic population structuring <strong>of</strong> M.<br />

sylvaticum in the light <strong>of</strong> different dispersal vectors for pollen and seeds, including the<br />

role <strong>of</strong> long distance dispersal (LDD) events. We further compare different models <strong>of</strong><br />

spatial dependence <strong>of</strong> genetic variability in the region <strong>of</strong> Trentino/South Tyrol based<br />

either on straight-line distances or on least-cost paths taking habitat suitability along<br />

altitudinal gradients into account.<br />

39


O 39<br />

Soil ecology as a driver <strong>of</strong> spatial genetic structure in alpine plants<br />

Nadir Alvarez 1 , Conny Thiel-Egenter 2 , Andreas Tribsch 3 , Rolf Holderegger 2 ,<br />

Stéphanie Manel 4 , Pierre Taberlet 4 , Philippe Küpfer 1 , Sabine Brodbeck 2 , Myriam<br />

Gaudeul 5 , Ludovic Gielly 4 , Guilhem Mansion 6 , Riccardo Negrini 7 , Ovidiu Paun 8 ,<br />

Marco Pellecchia 7 , Delphine Rioux 4 , Peter Schönswetter 9 , Fanny Schüpfer 1 , Marcela<br />

Van Loo 8 , Manuela Winkler 9 , Felix Gugerli 2 , IntraBioDiv Consortium<br />

1<br />

University <strong>of</strong> Neuchâtel, 2000 Neuchâtel, Switzerland, 2 WSL, 8903 Birmensdorf,<br />

Switzerland, 3 University <strong>of</strong> Salzburg, 5020 Salzburg, Austria, 4 University Joseph<br />

Fourier, 38041 Grenoble, France, 5 National Museum <strong>of</strong> Natural History, 75005 Paris,<br />

France, 6 University <strong>of</strong> Zurich, 8008 Zurich, Switzerland, 7 Sacro Cuore Catholic<br />

University <strong>of</strong> Piacenza, 29100 Piacenza, Italy, 8 Royal Botanic Gardens, TW9 3AB<br />

Kew, United Kingdom, 9 University <strong>of</strong> Vienna, 1030 Vienna, Austria<br />

Throughout Quaternary climatic changes, distribution ranges <strong>of</strong> species shifted largely.<br />

Since the early 20 th century, biogeography debated about the relative importance <strong>of</strong><br />

historical versus ecological determinants as drivers <strong>of</strong> species distributions and<br />

biogeographic patterns. Recently, molecular analyses <strong>of</strong> species phylogeographic<br />

patterns have allowed new insight into their historical fate, but the role played by<br />

ecological factors in such processes remained largely unknown. Here, we hypothesize<br />

that ecological factors determined intraspecific spatial genetic structuring in Alpine<br />

plant species and tested this hypothesis by using 27 widespread Alpine plant species<br />

sampled extensively on a regular grid across the whole European Alps. All investigated<br />

species are well defined by their ecological requirements (e.g., moisture, temperature,<br />

soil reaction, etc.). Intraspecific phylogeographic patterns were assessed with AFLPs<br />

and model-based Bayesian clustering. We calculated the pairwise level <strong>of</strong> genetic<br />

structure similarity between species and correlated these with the ecological similarity<br />

between species. Only soil reaction influenced species genetic structures,<br />

demonstrating high congruence between species growing on similar soil type. The<br />

partial spatial discordance between Alpine glacial refugia on calcareous and on<br />

siliceous soils combined with the high stability <strong>of</strong> bedrock occurrence (influencing soil<br />

reaction) over time explains species’ phylogeographic patterns and concerted<br />

migration routes.<br />

40


O 40<br />

Habitat exploitation and diversification through inter-ecologicaltype<br />

allopolyploidization<br />

Hiroshi Kudoh<br />

Center for Ecological Research, Kyoto University, Hirano 2-509-3, Otsu 520-2113,<br />

Japan, kudoh@ecology.kyoto-u.ac.jp<br />

Polyploid formation is a common mode <strong>of</strong> speciation in plants. Especially in<br />

allopolyploids, the unity <strong>of</strong> two sets <strong>of</strong> genomes may provide a great opportunity for<br />

new lineages to explore vacant niches. We studied the role <strong>of</strong> polyploidization in the<br />

diversification process <strong>of</strong> the genus Cardamine. The genus contains more than two<br />

hundred species and is one <strong>of</strong> the most diversified genera in Brassicaceae. The<br />

genus is ecologically unique because it expanded habitats near to the water, and we<br />

found that many polyploid species inhabit in the spectra <strong>of</strong> niches along a drywaterlogged<br />

gradient. Phylogenetic analysis indicated that the adaptation to the<br />

waterlogged environments occurred once in the diploid diversification. This allowed<br />

us to distinguish two groups <strong>of</strong> diploids, i.e. ‘wetland’ and ‘dryland’ groups.<br />

Identification <strong>of</strong> parental diploids suggested that many polyploids have hybrid origins<br />

between the two types, and we named these polyploids as ‘inter-ecological-type<br />

allopolyploids (IETA)'. To test whether the IETAs have wider potential niches<br />

compared with diploid parents, we conducted a series <strong>of</strong> growth experiments in which<br />

water levels were artificially controlled. In Cardamine, IETAs are likely to be more<br />

successful than intra-niche polyploids and autopolyploids, and the pattern may<br />

explain rapid adaptation and diversification <strong>of</strong> the genus.<br />

41


EVOLUTIONARY PROCESSES IN EXTRA-EUROPEAN<br />

MOUNTAINS<br />

O 41<br />

Relationships and genetic variation in the New Zealand edelweiss<br />

Leucogenes (Asteraceae: Gnaphalieae)<br />

Ilse Breitwieser & Rob Smissen<br />

Allan Herbarium, Landcare Research, PO Box 40, Lincoln 7640, New Zealand;<br />

breitwieseri@landcareresearch.co.nz<br />

<strong>Plant</strong>s <strong>of</strong> the New Zealand endemic genus Leucogenes (Asteraceae: Gnaphalieae)<br />

are alpine perennial evergreen subshrubs that are characterised by sessile yellow<br />

capitula in a very dense corymb surrounded by a ring <strong>of</strong> modified densely-white<br />

tomentose leaves, the whole giving the appearance <strong>of</strong> a single, showy flower.<br />

Beauverd named this genus Leucogenes to mark the similar appearance <strong>of</strong> the<br />

inflorescence <strong>of</strong> the New Zealand species to that <strong>of</strong> the European edelweiss,<br />

Leontopodium alpinum, and its relatives. Thus, Leucogenes became known as the<br />

New Zealand edelweiss.<br />

These similarities led some previous authors to suggest close relationships between<br />

northern and southern hemisphere edelweiss, but we found that the southern<br />

hemisphere edelweiss is part <strong>of</strong> a generic complex within the Gnaphalieae which also<br />

includes the New Zealand endemic genera Rachelia and Raoulia, the genus<br />

Anaphalioides known from New Zealand and Papua New Guinea, and the New<br />

Zealand species currently assigned to Ewartia and Helichrysum. Our observations<br />

suggest it is closest to Raoulia subg. Psychrophyton, although the two are<br />

morphologically very different. Leucogenes has the capacity to hybridise quite freely<br />

with these pulvinate species <strong>of</strong> Raoulia.<br />

We examined AFLP pr<strong>of</strong>iles, nuclear ITS sequences, and chloroplast psbA-trnH<br />

intergenic spacer sequences for representative samples <strong>of</strong> the four species <strong>of</strong><br />

Leucogenes to get more insight into the evolution and geographic variation <strong>of</strong> the<br />

species. We found that the tetraploid L. neglecta was derived from the diploid L.<br />

leontopodium by autoploidy, but that the octoploid L. tarahaoa arose earlier than and<br />

independently <strong>of</strong> L. neglecta. Some populations <strong>of</strong> L. leontopodium and L.<br />

grandiceps have chloroplast sequences more similar to those <strong>of</strong> other species <strong>of</strong> the<br />

New Zealand Gnaphalieae than to the majority <strong>of</strong> Leucogenes samples. ITS<br />

sequence variation is also complex, with sequences sampled from Leucogenes not<br />

forming a monophyletic group and siginificant intraspecific variation found within L.<br />

grandiceps.<br />

42


O 42<br />

The Andean uplift and its influence on Neotropical biodiversity<br />

Alexandre Antonelli 1 , Johan A.A. Nylander 2 , R. Toby Pennington 3 , Isabel Sanmartín 4<br />

1 Department <strong>of</strong> <strong>Plant</strong> and Environmental Sciences, Göteborg University, Box 461,<br />

405 30, Sweden; alexandre.antonelli@dpes.gu.se<br />

2 Department <strong>of</strong> Systematic Botany, Stockholm University, 106591, Stockholm,<br />

Sweden; johan.nylander@bergianska.se<br />

3 Royal Botanic Garden Edinburgh, 20a Inverleith Row, Edinburgh EH3 5LR, UK;<br />

t.pennington@rbge.org.uk<br />

4 Department <strong>of</strong> Biodiversity and Conservation, Real Jardín Botánico, CSIC; Plaza<br />

Murillo 2, 28014, Madrid, Spain; isanmartin@rjb.csic.es<br />

Extending over 5000 km along the western coast <strong>of</strong> South America, the Andean<br />

Cordillera constitutes the largest mountain chain in direct connection with a tropical<br />

rain forest. Its formation has proceeded from south to north and from west to east,<br />

with most uplift phases <strong>of</strong> the tropical Andes taking place in the last 20 Ma. The<br />

Andean uplift may have promoted speciation in several ways: i) by creating new<br />

montane and pre-montane habitats in the Neotropics, favouring morphological<br />

adaptation <strong>of</strong> lowland taxa; ii) by producing geographic vicariance, and consequently<br />

genetic isolation, between populations on both sides <strong>of</strong> the emerging mountains; iii)<br />

by favouring allopatric speciation among montane taxa, separated by deep valleys<br />

and impassable ridges and peaks; and iv) by changing the hydrology and climate <strong>of</strong><br />

the entire South American continent, thus creating new evolutionary pressures on<br />

montane and lowland taxa.<br />

In order to quantify the relative importance <strong>of</strong> each <strong>of</strong> these potential mechanisms <strong>of</strong><br />

speciation, and to discern cladogenesis caused by competing hypotheses (e.g.,<br />

Pleistocene climatic fluctuations), we perform a meta-analysis <strong>of</strong> all dated molecular<br />

phylogenies published for Andean-centred taxa, plants and animals alike. Here we<br />

will present preliminary results and their significance in understanding the origins and<br />

evolution <strong>of</strong> the world’s most biodiverse region.<br />

43


O 43<br />

Polyploid evolution in rock outcrop mountains <strong>of</strong> South-Eastern<br />

Brazil<br />

Itayguara Ribeiro da Costa & Eliana Regina Forni-Martins<br />

Department <strong>of</strong> Botany, Institute <strong>of</strong> Biology, University <strong>of</strong> Campinas - UNICAMP,<br />

Cidade Universitária Zeferino Vaz, s/n, Caixa Postal 6109, CEP 13083-970,<br />

Campinas – SP, Brazil; itayguara@gmail.com, elianafm@unicamp.br.<br />

The rock outcrop complexes in South-Eastern Brazil are mainly part <strong>of</strong> the Espinhaço<br />

(campos rupestres) and Mantiqueira Range (campos de altitude), belong to Brazilian<br />

Cerrado and Atlantic Tropical Rain Forest biomes. The high elevation formations, the<br />

relicts, are characterized by poor soils and daily extreme temperatures, occurring<br />

above 900 and 1500 m <strong>of</strong> altitude, respectively, and possess a peculiar flora with<br />

high levels <strong>of</strong> endemism. Myrtaceae have widespread distribution at all Brazilian<br />

vegetation formations and present a high taxonomic complexity with hybrid species.<br />

The chromosome number for this family showed high frequency <strong>of</strong> 2n = 22 (x = 11),<br />

with the occurrence <strong>of</strong> polyploidy in several species, including the polyploid<br />

cytotypes. We carried out chromosome counts for ca. 80 species <strong>of</strong> Brazilian<br />

Myrtaceae in several genera, aiming to determine if occurrence <strong>of</strong> polyploidy would<br />

be associated with the distribution <strong>of</strong> some species in these environments. We found<br />

eight pairs <strong>of</strong> cytotypes and four different ploidy levels (2x, 3x, 4x and 6x) distributed<br />

in three genera. The greatest ploidy levels (3x and 4x) were found in some species <strong>of</strong><br />

Eugenia and Myrcia occurring in campos rupestres against the diploid relatives in the<br />

Cerrado vegetation. Similar situation to Psidium, where 6x populations occurs at<br />

highest altitude <strong>of</strong> Mantiqueira Range while 4x is distributed in other Atlantic Tropical<br />

Rain Forest localities with lower altitudes, next to the sea level. Higher ploidy levels<br />

were also observed by others authors in species <strong>of</strong> other families, as Bromeliaceae,<br />

Velloziaceae, Orchidaceae and Xyridaceae, occurring in these rock outcrop<br />

mountains. In the future, studies will be conduced to explain the origin <strong>of</strong> polyploid<br />

cytotypes in these differential environments.<br />

44


O 44<br />

Glucosinolate diversity in New Zealand alpine Pachycladon<br />

Claudia Voelckel 1 , Peter Heenan 2 , Michael Reichelt 3 & Peter J. Lockhart 1<br />

1 AWC for Molecular Ecology and Evolution, Massey University, Palmerston North,<br />

New Zealand; c.voelckel@massey.ac.nz, p.j.lockhart@massey.ac.nz<br />

2 Landcare Research, Lincoln, New Zealand; heenanp@landcareresearch.co.nz<br />

3 Max-Planck-Institute for Chemical Ecology, Hans-Knoell Strasse 8, 07745 Jena,<br />

Germany; reichelt@ice.mpg.de<br />

Using studies <strong>of</strong> differential expression we have begun investigating the potential<br />

importance <strong>of</strong> biotic and abiotic drivers in the recent diversification <strong>of</strong> New Zealand<br />

alpine Pachycladon. Following initial observations on differential expression <strong>of</strong><br />

glucosinolate biosynthesis genes in two sister species (P. enysii and P. fastigiata),<br />

we measured intra- and interspecific diversity <strong>of</strong> glucosinolates (GS) in natural<br />

populations <strong>of</strong> these species. We have identified three chemotypes in P. enysii and<br />

two chemotypes in P. fastigiata. In a further experiment, we also compared GS<br />

pr<strong>of</strong>iles in roots and leaves <strong>of</strong> five Pachycladon species (P. cheesemanii, P. exilis, P.<br />

novae-zealandiae, P. fastigiata, and P. enysii) representing the three main lineages<br />

<strong>of</strong> the species radiation. Interestingly, the similarities in both root and shoot patterns<br />

do not reflect the expected phylogenetic relationship <strong>of</strong> the five species. Moreover,<br />

differences in GS types suggest the segregation <strong>of</strong> various GS biosynthetic loci<br />

across the Pachycladon radiation. For example, in the shoots, between-species<br />

differences in chain length <strong>of</strong> methionine-derived GS, methylsulfinylalkyl and alkenyl<br />

GS and hydroxyalkenyl GS suggest segregation at the GS-Elong, GS-AOP and the<br />

GS-OH locus, respectively. In addition, between-species differences in indolyl GS in<br />

the roots suggest differential activity <strong>of</strong> tryptophane-processing GS biosynthesis<br />

genes across the Pachycladon radiation. Root patterns mostly resemble shoot<br />

patterns except for a notable increase in the methylthioalkyl precursor <strong>of</strong> the<br />

dominant leaf compounds, an observation previously made also in the seeds <strong>of</strong> P.<br />

enysii. This suggests a higher activity <strong>of</strong> the GS-OX locus in leaves vs. roots<br />

irrespective <strong>of</strong> species. In summary, our comparative approach implicates several GS<br />

loci as having undergone differential evolution during the radiation <strong>of</strong> Pachycladon. It<br />

remains to be investigated whether this evolution has been driven by stochastic<br />

processes (e.g. genetic drift) or natural selection (exerted by below and above<br />

ground herbivores and pathogens).<br />

45


O 45<br />

Evolution <strong>of</strong> terrestrial life forms in the genus Peperomia<br />

(Piperaceae): a result <strong>of</strong> orogeny <strong>of</strong> the Andes and the Sierra Madre,<br />

or radiation out <strong>of</strong> ice age refugia?<br />

Marie-Stéphanie Samain 1 , Lars Symmank 2 , Guido Mathieu 1 , Christoph Neinhuis 2 ,<br />

Paul Goetghebeur 1 , Stefan Wanke 2<br />

1 Ghent University, Department <strong>of</strong> Biology, Research Group Spermatophytes, B-9000<br />

Gent, Belgium, MarieStephanie.Samain@UGent.be<br />

2 Technische Universität Dresden, Institut für Botanik, <strong>Plant</strong> Phylogenetics and<br />

Phylogenomics Group, D-01062 Dresden, Germany<br />

Peperomia (about 1600 species) is one <strong>of</strong> the largest angiosperm genera and occurs<br />

in tropical and subtropical regions worldwide. However, the highest life form diversity<br />

is encountered in the subtropical (mountainous) areas <strong>of</strong> Mexico, Central and South<br />

America. The vast majority <strong>of</strong> the species diversity has radiated with the exploration<br />

<strong>of</strong> the epiphytic life form, but some interesting evolutionary patterns appear in the<br />

diversity <strong>of</strong> terrestrial life forms.<br />

Phylogenetic tree reconstruction shows at least two independent lineages <strong>of</strong><br />

terrestrial species with tubers within the genus. Most <strong>of</strong> these species belong to the<br />

subgenus Tildenia, sister to all other Peperomia clades, whereas some others occur<br />

scattered in the remaining clades. Leaves and inflorescences <strong>of</strong> subgenus Tildenia<br />

originate directly from the perennial tuber, in contrast with species <strong>of</strong> the crown group<br />

where annual stems with leaves and inflorescences originate from the tuber.<br />

Nearly all tuberous species are encountered in seasonally arid habitats in two<br />

biodiversity hot spots (Peru-Bolivia and Mexico-Guatemala) with few species<br />

reported from the countries in between. Species <strong>of</strong> the subgenus Tildenia from both<br />

hot spots are currently recovered as a monophyletic clade.<br />

Independent driving forces behind evolution <strong>of</strong> the terrestrial life forms in Peperomia<br />

must have acted at different times. Two major processes are considered: 1) orogeny<br />

resulting in island-like opportunities for diversification and 2) radiation out <strong>of</strong> ice age<br />

refugia.<br />

46


ROLE OF APOMIXIS IN PLANT EVOLUTION<br />

O 46<br />

Agamic complex <strong>of</strong> Pilosella: comparison <strong>of</strong> its structure in two<br />

mountain ranges in Central Europe<br />

František Krahulec 1 , Anna Krahulcová 1 , Judith Fehrer 1 , Siegfried Bräutigam 2<br />

1 Institute <strong>of</strong> Botany, Academy <strong>of</strong> Sciences <strong>of</strong> the Czech Republic, CZ-252 43<br />

Průhonice, Czech Republic; krahulec@ibot.cas.cz<br />

2 Staatliches Museum für Naturkunde, Postfach 300154, D-02806 Görlitz, Germany<br />

The genus Pilosella is formed by basic species, hybridogenous species and recent<br />

hybrids. We performed a detailed study <strong>of</strong> the entire species complexes in the<br />

Krkonoše and the Šumava Mts., two mountain ranges situated on the periphery <strong>of</strong><br />

the Czech basin, but sufficiently isolated spatially. We studied chromosome numbers,<br />

breeding systems, chloroplast haplotypes, and clonal structure. The set <strong>of</strong> the basic<br />

species in both areas is almost identical, but the set <strong>of</strong> hybridogenous species and<br />

recent hybrids resulting from hybridizations is different. Evidently, some rare events<br />

in the past triggered the further evolution. E.g. in the Krkonoše Mts it was the rise <strong>of</strong><br />

P. iserana which started the evolution <strong>of</strong> a set <strong>of</strong> forms connecting P. floribunda and<br />

P. <strong>of</strong>ficinarum. In the Šumava Mts, it was the origin <strong>of</strong> P. scandinavica, which<br />

connects P. glomerata and P. <strong>of</strong>ficinarum. The distribution <strong>of</strong> cpDNA haplotypes in<br />

both ranges also differs: in the Krkonoše Mts each basic species has only one<br />

haplotype, but in the Šumava Mts several basic species have more than one. The<br />

area <strong>of</strong> the Krkonoše Mts is characterized by a larger proportion <strong>of</strong> stabilized<br />

hybridogenous species and a lower amount <strong>of</strong> recent hybrids compared to the<br />

Šumava Mts. We have found that some types <strong>of</strong> the same origin and morphology<br />

differ in the proportions <strong>of</strong> individual classes within their progeny: types, which<br />

behave as stabilized hybridiogenous species, have a lower degree <strong>of</strong> residual<br />

sexuality than recent hybrids. Both groups have the same classes within their<br />

progeny (2n+0, n+0, n+n hybrids, 2n+n hybrids), but their proportions differ:<br />

stabilized apomicts produce about 90% <strong>of</strong> apomictic (2n+0) progeny, but the recent<br />

hybrids have low proportion <strong>of</strong> apomictic progeny but reaching up to 80% <strong>of</strong><br />

polyhaploid (n+0) or hybrid (n+n) progeny.<br />

47


O 47<br />

Geographic parthenogenesis and phylogeography in Hieracium<br />

alpinum L. (Asteraceae)<br />

Patrik Mráz 1,2 , Philippe Choler 1 , Jindřich Chrtek 3 , Delphine Rioux 1 & Pierre Taberlet 1<br />

1 Université Joseph Fourier, Laboratoire d'Ecologie Alpine, UMR UJF-CNRS 5553,<br />

PO Box 53, F-38041 Grenoble Cedex 9, France; patrik.mraz@unifr.ch<br />

2 University <strong>of</strong> Fribourg, Unit <strong>of</strong> Ecology and Evolution, CH-1700 Fribourg, Switzerland<br />

3 Institute <strong>of</strong> Botany, Academy <strong>of</strong> Sciences <strong>of</strong> the Czech Republic, CZ-25243<br />

Průhonice, Czech Republic<br />

Hieracium alpinum s.str. is an arcto-alpine species spreading from the far North<br />

(Greenland, Iceland, Scotland, Scandinavia, Northern Russia) to the southerlysituated<br />

European mountain system (Alps, Carpathians, Sudetes, Vosges, Vranica<br />

planina). While sexually reproducing diploids occur solely in the Eastern and<br />

Southern Carpathians, apomictic triploids cover the rest <strong>of</strong> the range. We used AFLP<br />

markers and ITS sequencing for inferring <strong>of</strong> genetic structure and origin <strong>of</strong><br />

geographical parthenogenesis in this species. AFLP data suggest polytopic origin <strong>of</strong><br />

triploid apomicts with almost no genetic relatedness to the recent diploids. Although<br />

triploid populations show usually very low genetic variation, several populations from<br />

Central Europe are very variable because they include genetically very distant<br />

clones. Past migration among different triploid populations and independent<br />

recolonization might explain the extant <strong>of</strong> genetic variation <strong>of</strong> some triploid<br />

populations in Central Europe. Northern populations consist virtually from only one or<br />

several closely related AFLP genotypes, suggesting very strong genetic bottleneck<br />

during postglacial recolonization <strong>of</strong> northern Europe. Genetic data, non-overlapping<br />

range <strong>of</strong> diploids and triploids, and occurrence <strong>of</strong> many closely-related microspecies<br />

within triploid range indicate that triploid plants <strong>of</strong> H. alpinum are likely not<br />

descendants <strong>of</strong> recent diploid populations, but rather they are remnants <strong>of</strong> extinct<br />

diploid lineages.<br />

48


O 48<br />

Facultative apomixis in the alpine Ranunculus kuepferi<br />

(Ranunculaceae) enhances colonization <strong>of</strong> previously glaciated<br />

areas<br />

Anne-Caroline Cosendai & Elvira Hörandl<br />

Department <strong>of</strong> Evolutionary and Systematic Botany, Faculty Center Botany,<br />

University <strong>of</strong> Vienna, Rennweg 14, A-1030 Vienna, Austria, annecaroline.cosendai@univie.ac.at<br />

elvira.hoerandl@univie.ac.at<br />

Ranunculus kuepferi is distributed along the Alps, in Corsica and in the north <strong>of</strong> the<br />

Apennines. Of the three ploidy levels known (2n = 2x, 3x and 4x), the diploids occur<br />

only in the Alps Maritimes on the western border and are sexual, whereas the<br />

tetraploid apomicts (flowers, pollen and fruit irregular) are more widespread and<br />

occur also in previously glaciated areas. This general phenomenon, known as<br />

geographical parthenogenesis, sensu Hörandl (2006), is being studied on population<br />

samples out <strong>of</strong> the range <strong>of</strong> the species using molecular markers and flow cytometry.<br />

In the mixed area, the putative hybrid origin <strong>of</strong> triploids and amount <strong>of</strong> introgression <strong>of</strong><br />

apomixis into sexuals will be analyzed. Flow cytometry revealed that triploids and<br />

pentaploids occur in the hybrid zone but some triploids and hexaploids are present in<br />

the area <strong>of</strong> tetraploid apomicts, suggesting facultative sexuality. Pseudogamous<br />

mode <strong>of</strong> reproduction <strong>of</strong> the tetraploids could be ascertained using flow cytometric<br />

seed screen (Hörandl et al. in press). Preliminary results <strong>of</strong> AFLPs show as much<br />

genetic variation within the tetraploid populations compared to the diploids, but each<br />

population has its own gene pool, suggesting founder events. Apomicts have<br />

superior colonizing abilities and grow in a broader range <strong>of</strong> altitude than the sexuals.<br />

A Mantel test computed between F ST genetic distance and the geographical distance<br />

shows a weak correlation and suggests a spread <strong>of</strong> the tetraploids in the Alps from<br />

the Alps Maritimes. Analysis <strong>of</strong> private bands suggests autopolyploid origin <strong>of</strong><br />

tetraploids and hybridization between diploids and tetraploids.<br />

References<br />

Hörandl, E. 2006. New Phytologist 171: 525 – 38.<br />

Hörandl, E., Cosendai, A.-C. & Temsch, E. (in press) <strong>Plant</strong> Ecology and Diversity.<br />

49


O 49<br />

Apomixis in Taraxacum: European and Himalayan taxa from the<br />

cytogenetic viewpoint<br />

Radim J. Vašut 1,2 , Kitty Vijverberg 3 , J. Hans de Jong 2 & Peter J. van Dijk 3<br />

1 Department <strong>of</strong> Botany, Faculty <strong>of</strong> Science, Palacký University, Šlechtitelů 11, CZ-<br />

78371 Olomouc, Czechia; 2 Department <strong>of</strong> <strong>Plant</strong> Sciences, Laboratory <strong>of</strong> Genetics,<br />

Wageningen University, Arboretumlaan 4, NL-6703 BD Wageningen, the<br />

Netherlands; 3 Keygene N.V., P.O. Box 216, 6700 AE Wageningen, the Netherlands.<br />

The genus Taraxacum (dandelion; Asteraceae) combines three modes <strong>of</strong><br />

reproduction: two sexual ones (allogamy, autogamy) and apomixis. Autogamy is<br />

known only in few ancestral taxa, whereas apomixis is widely distributed across all<br />

continents and it covers most <strong>of</strong> phylogenetic groups <strong>of</strong> the genus. The dandelion’s<br />

type <strong>of</strong> apomixis is diplosporous apomixis and it is confined to polyploids (mainly<br />

triploids and tetraploids). One <strong>of</strong> three genes involved in its regulation is Diplospory<br />

(DIP; first division restitution meiosis). We physically positioned DIP region to middle<br />

<strong>of</strong> distal arm <strong>of</strong> one <strong>of</strong> the NOR chromosome in apomictic common dandelion (T.<br />

sect. Ruderalia). In this study, we therefore aimed at answering the question: a) what<br />

is the position <strong>of</strong> DIP region in other apomictic Taraxaca from different geographical<br />

regions, b) not related phylogenetic groups and c) <strong>of</strong> different genome-size. In<br />

addition, we studied NOR chromosomes in autogamic taxa. We address the<br />

question, whether this can explain origin <strong>of</strong> apomixis. We used Fluorescence in situ<br />

hybridisation (FISH) with BAC probes containing DIP-linked SCAR markers. In<br />

autogamic species, increased number <strong>of</strong> NOR chromosomes was observed. In<br />

apomictic taxa, the same position <strong>of</strong> DIP region in all our studied sections was<br />

confirmed. We detected either unique strong signal or signal significantly larger then<br />

remaining signals located in the middle <strong>of</strong> distal arm <strong>of</strong> one <strong>of</strong> the NOR<br />

chromosomes. This indicates that DIP region has conserved position in the genus<br />

Taraxacum and apparently has longer evolutionary history then apomictic taxa<br />

themselves.<br />

50


P 01<br />

Mediterranean vegetation and Lebanon Cedar (Cedrus libani A.<br />

Rich.) forests <strong>of</strong> Turkey<br />

Necmi Aksoy¹ & Ali Kaya²<br />

¹Duzce University, Faculty <strong>of</strong> Forestry Department <strong>of</strong> Forest Botany TR-81620<br />

Beçiyörükler, Duzce-Turkey; necmiaksoy@duzce.edu.tr<br />

²University <strong>of</strong> Istanbul, Faculty <strong>of</strong> Forestry Department <strong>of</strong> Forest Botany TR-34470<br />

Bahçeköy, Istanbul-Turkey; alikaya84@yahoo.com<br />

Turkey occupies a transitional region extending between middle and tropical belts,<br />

and continental part <strong>of</strong> Asia and the eastern part <strong>of</strong> the Mediterranean Region. This<br />

geographical position gives to various floristic regions and forest types.<br />

Mediterranean vegetation encompasses the costal belt <strong>of</strong> the Marmara Sea, western<br />

part <strong>of</strong> Anatolian and the south - western Mediterranean region <strong>of</strong> Turkey. It can be<br />

divided into two main floristic formations to ecological properties <strong>of</strong> this region.<br />

Typical Mediterranean vegetation appears on lower belt <strong>of</strong> the Mediterranean Region<br />

characterized by Maquis vegetation with Turkish Red Pine (Pinus brutia Ten.) and<br />

upper part <strong>of</strong> this region contains Lebanon Cedar (Cedrus libani A. Rich.) with Black<br />

Pine (Pinus nigra Arn.) and Taurus Fir (Abies cilicica (Ant. et Klotsch.) Carr.). Maquis<br />

vegetation distributes different form the ecological conditions and the floristic<br />

composition. As it has richens biological diversity. Lebanon Cedar is being to climax<br />

tree <strong>of</strong> middle Mediterranean Mountain belt being at an elevation <strong>of</strong> 800 m and<br />

reach’s up to 2000 m on the southern slopes <strong>of</strong> the Taurus Mountains. Maquis<br />

vegetation has destroyed to using the farming, grazing and tourism activity in<br />

Mediterranean Region. Also forest <strong>of</strong> C. libani is effected by wrong forestry<br />

management and grazing. Due to, diversity <strong>of</strong> flora and fauna increase the area <strong>of</strong><br />

transition in between Maquis and Lebanon Cedar Forests. For the save the<br />

biodiversity, it must be created new forest management policy and describe to<br />

biogenetic reserve area in Maquis and Cedar Forests at Mediterranean Region.<br />

51


P 02<br />

Genetic variation, population size, and reproductive success in an<br />

endemic species in the Iberian Peninsula (Erodium foetidum,<br />

Geraniaceae)<br />

Marisa Alarcón, Pablo Vargas & Juan Aldasoro<br />

Real Jardín Botánico de Madrid, CSIC, Madrid, Spain<br />

Erodium foetidum is a xenogamous species, <strong>of</strong> which three subspecies have been<br />

described. It forms part <strong>of</strong> a monophyletic group (sect. Petraea), which is distributed in<br />

Iberian mountains. We investigated the population size, reproductive success and<br />

genetic variation <strong>of</strong> 12 populations using AFLP fingerprints. Despite their variable<br />

population size, the genetic variation within populations was high (mean Hj = 0.193,<br />

range = 0.16-0.22; PLP= 54.45, range = 47-62).<br />

In a PCO analysis, the populations were grouped together according to distributed<br />

ranges in tree groups: central-eastern and southern-eastern mountains, and northerneastern<br />

coastal hills. FST values (0.19-0.29) between geographical areas were<br />

correlated significantly (p = 0.703, p = 0.000) with the geographical distance between<br />

them, giving evidence for certain geographical isolation. The historical gene flow<br />

estimated was higher for populations situated at distances


P 03<br />

Comparative study effects <strong>of</strong> PH and water salinity on Papaver<br />

rhoeas medicinal plant germination<br />

S. H. Ashraf, A. Dashtban, M. Darbaninan,<br />

Faculty <strong>of</strong> Agriculture, Cheshme Ali street, Damghan Azad University, Damghan,<br />

Iran; shahram_ashraf@yahoo.com<br />

In order to study the effects <strong>of</strong> pH and salinity <strong>of</strong> irrigation water on germination <strong>of</strong><br />

Papaver rhoeas was conducted factorially arranged in a randomized complete design<br />

in Azad University <strong>of</strong> Damghan <strong>of</strong> Iran. The water salinity factor include 3 level (EC =<br />

3 , 6, 9 dS m -1 ) and ph factor 3 level (6.5, 7.5, 8.5) were made in petridishes in an<br />

ancubator at 20 ± 0.5°C and relative humidity was 70% for experiments.This<br />

experiment was include 9 treatment, in which was for study rate and germination<br />

percent on Papaver plant seed.The Results <strong>of</strong> variance analysis indicated that the<br />

effects <strong>of</strong> ph and salinity factors and their interaction effects on germination percent<br />

and rate, have significant with 1 percent level (except effects <strong>of</strong> interaction salinity<br />

and ph on germination percent). The result <strong>of</strong> variance analysis indicated that with<br />

increase salinity in total treatments, germination percent and rate decreased . The<br />

maximum germination percent was in the treatment with salinity 3 ds/m (73.8889)<br />

and ph 6.5 (51.5556) and minimum <strong>of</strong> germination percent was in the treatment with<br />

salinity 9 ds/m (11.5556) and ph 8.5 (47.3333). The analysis indicated that the<br />

highest germination rate was in the treatment with salinity 3 ds/m (0.039444) and ph<br />

6.5 (0.058222).<br />

53


P 04<br />

Environmental conditions influence distribution <strong>of</strong> two willow<br />

(Salix) species and their hybrid at relict site in Hrubý Jeseník Mts.<br />

(Czechia)<br />

Blanka Brandová & Radim J. Vašut<br />

Department <strong>of</strong> Botany, Faculty <strong>of</strong> Science, Palacký University, Šlechtitelů 11, CZ–<br />

783 71 Olomouc, Czechia; radim.vasut@upol.cz<br />

The genus Salix (willow) is represented by four relict subalpine species in Czechia.<br />

All ones have limited distribution and they are threatened there. One <strong>of</strong> the potential<br />

threats is intensive hybridisation and possible gene-flow. Therefore, we addressed<br />

the question to what extent are relict subalpine willow taxa threatened by<br />

hybridisation with common mountainous species. In the first part <strong>of</strong> the project, we<br />

studied morphological and ecological overlap between Salix hastata, S. silesiaca and<br />

their hybrid S. ×chlorophana. Two study plots were established in the Velká Kotlina<br />

fold (Hrubý Jeseník Mts, Czechia), where is the most stabile population <strong>of</strong> S. hastata<br />

in CZ as well as is known frequent occurrence <strong>of</strong> the hybrid there. We recorded the<br />

taxon, the size <strong>of</strong> plant, morphological key characteristics, biotope and main physical<br />

conditions on both plots. The data revealed expected morphological overlap between<br />

studied three taxa. Additionally, we found that the hybrid is the most frequent taxon at<br />

the locality (56.18 % out <strong>of</strong> 372 plants), whereas the most rare one is S. silesiaca<br />

(14.52 %). However, these taxa are ecologically and spatially well separated: S.<br />

hastata significantly prefers subalpine springs and its ecotons, S. silesiaca grows<br />

mostly in subalpine Vaccinium vegetation and finally the prevailing biotope for the<br />

hybrid is the wind-swept alpine grasslands. Although is the hybrid the most frequent<br />

taxon at locality, environmental preferences <strong>of</strong> each taxon cause spatial separation <strong>of</strong><br />

the endangered species S. hastata from the hybrid and therefore is not directly<br />

threatened by the hybridisation with S. silesiaca. This project recently continues by<br />

the analysis <strong>of</strong> genetic structure <strong>of</strong> the population, frequency <strong>of</strong> hybridisation events<br />

and the nature <strong>of</strong> the gene-flow among taxa using appropriate molecular markers.<br />

54


P 05<br />

A biosystematic study <strong>of</strong> biodiversity in Viola comollia Massara.<br />

Maura Brusoni, Roberta Negri, Linda Conti<br />

Department <strong>of</strong> Territorial Ecology, University <strong>of</strong> Pavia, Via Sant’Epifanio 14, 27100<br />

Pavia, Italy; brusoni@et.unipv.it<br />

We investigated differentiation among and within populations <strong>of</strong> Viola comollia<br />

Massara at the molecular level. V. comollia is a diploid (2n = 22) species, endemic for<br />

Orobic Alps (Italy, Lombardy), occurring on rock debris over 1700 metres above sea<br />

level. It is characterized by a very restricted but fragmented areal so that levels <strong>of</strong><br />

gene flow among geographically separated populations may be low. This allows<br />

interpopulational differentiation that may be related to geographic distance among<br />

populations. We sampled two populations <strong>of</strong> V. comollia located in two sites as far as<br />

possible from each other in Lombardy (Italy), Mount Legnone (Lecco) and Scais<br />

Valley (Sondrio). <strong>Plant</strong> material was collected in situ and to minimize the sampling<br />

impact on this rare species we only sampled a few young leaves per plant.<br />

Considering one cushion as one individual, from each population five individuals<br />

were sampled. Intrapopulation and interpopulation genetic diversity was investigated<br />

using random amplified polymorphic DNA (RAPD) markers. A total <strong>of</strong> 56 reproducible<br />

polymorphic bands were generated using 7 different primers. The presence–absence<br />

matrix <strong>of</strong> RAPD bands was examined by hierarchical clustering and principal<br />

component analysis (PCA) using the SYN-TAX 2000 program. Results demonstrate<br />

that the two populations are genetically clearly separated by a genetic distance value<br />

<strong>of</strong> 0.45 suggesting low gene flow between populations in accordance with the<br />

geographic isolation. All plants sampled in the two sites showed different RAPD<br />

phenotypes. The genetic distances observed within population from Legnone (0.38)<br />

and within the Scais Valley population (0.48) reflect the high level <strong>of</strong> intrapopulation<br />

genetic differentiation. In our investigation we observed genetic polymorphism both<br />

between populations and within populations <strong>of</strong> V. comollia. Populations from every<br />

location should therefore be protected to preserve the genetic variability.<br />

55


P 06<br />

Genome size variation and evolution in Hieracium s.str.<br />

(Asteraceae)<br />

Jindřich Chrtek 1,2 , Jaroslav Zahradníček 2 , Judith Fehrer 1 & Karol Krak 1<br />

1 Institute <strong>of</strong> Botany, Academy <strong>of</strong> Sciences <strong>of</strong> the Czech Republic, Zámek 1, CZ-252<br />

43 Průhonice, Czech Republic; chrtek@ibot.cas.cz, fehrer@ibot.cas.cz,<br />

krak@ibot.cas.cz<br />

2 Department <strong>of</strong> Botany, Charles University, Benátská 2, CZ-128 01, Praha 2, Czech<br />

Republic; j.zahradnicek@gmail.com<br />

Hieracium subgen. Hieracium is an intricate species-rich group with numerous<br />

mountain taxa composed <strong>of</strong> relatively few sexual diploids and a vast number <strong>of</strong><br />

apomictic polyploids. The aim <strong>of</strong> the present study was to analyse nuclear genome<br />

size in a phylogenetic framework and to assess relations between genome size and<br />

ploidy level, breeding system and selected ecogeographic features. Genome sizes <strong>of</strong><br />

42 so-called ‘basic’ Hieracium species were determined using propidium iodide flow<br />

cytometry. The mean 2C values differed up to 2,37-fold among different species<br />

(from 7.03 pg in diploid to 16.67 pg in tetraploid accessions). The 1Cx values varied<br />

1,22-fold (between 3.51 pg and 4.34 pg). Variation in 1Cx values between<br />

conspecific (species in a broad sense) accessions ranged from 0.24% to 7.2%. Mean<br />

1Cx values <strong>of</strong> the three cytotypes (2x, 3x, 4x) differed significantly indicating<br />

downsizing <strong>of</strong> genomes in polyploids. The pattern <strong>of</strong> genome size variation correlated<br />

well with two major phylogenetic clades based on sequences <strong>of</strong> the external<br />

transcribed spacer <strong>of</strong> nuclear ribosomal DNA (ETS), which were composed <strong>of</strong><br />

species with either south-western or south-eastern European origin. The monoploid<br />

(1Cx) genome size in the ‘western’ species was significantly lower than in the<br />

‘eastern’ ones. Correlation <strong>of</strong> genome size with geographic latitude, altitude and<br />

selected ecological characters (light and temperature) was not significant while a<br />

longitudinal component was apparent, albeit weaker than the phylogenetic<br />

correlation.<br />

56


P 07<br />

Breakdown <strong>of</strong> heterostyly and the evolution <strong>of</strong> selfing in alpine<br />

Primula sect. Aleuritia<br />

Jurriaan M. de Vos 1 & Elena Conti 1,2<br />

1 Institute <strong>of</strong> Systematic Botany, University <strong>of</strong> Zürich, Zollikerstrasse 107, 8008 Zürich,<br />

Switzerland; Jurriaan.deVos@systbot.uzh.ch; 2 ContiElena@access.unizh.ch<br />

One <strong>of</strong> the core problems in evolutionary biology is to understand how and why the<br />

wonderful diversity in angiosperm sexual systems has evolved. Heterostyly is a<br />

breeding system known from 28 angiosperm families in which individuals <strong>of</strong> a species<br />

come in two (distyly) or three (tristyly) floral morphs that have anthers and stigmas<br />

placed at reciprocal heights. In distylous Primula and most other groups this is<br />

combined with self- and intramorph incompatibility. The system is therefore believed<br />

to promote outcrossing and increase fitness, despite causing a reduction in the<br />

number <strong>of</strong> available mates. It is genetically regulated through the S-supergene, which<br />

determines at least style length, pollen size and anther height. In Primula, some<br />

species lost the system (became monomorphic), display a mixture <strong>of</strong> characters <strong>of</strong><br />

both morphs (i.e. a long style and high anthers, homostyly), and are able to self.<br />

Understanding the importance <strong>of</strong> selfing in these species is key to elucidating the<br />

evolution <strong>of</strong> heterostyly. We use emasculation and pollinator exclusion experiments<br />

to determine the outcrossing rates <strong>of</strong> monomorphic Primula halleri and P. scotica,<br />

and the closely related heterostylous species P. farinosa. Additionally, we investigate<br />

the proposed recombinational origin <strong>of</strong> homostyly and selfing in monomorphic<br />

Primula species by reanalysing data on the thousands <strong>of</strong> crossing experiments<br />

performed by Ernst (1920s-1950s). These analyses are part <strong>of</strong> a PhD project that<br />

aims to better understand diversification in heterostylous groups.<br />

57


P 08<br />

Micromorphological studies on Lallemantia L. (Lamiaceae) species<br />

growing in Turkey<br />

Muhittin Dinç 1 , Nur Münevver Pinar 2 , Süleyman Doğu 3 , Şinasi Yildirimli 4<br />

1 Selçuk University, Education Faculty, Department <strong>of</strong> Biology Education,<br />

42090 Meram, Konya, Turkey; muhdinc@yahoo.com<br />

2 Ankara University, Science Faculty, Department <strong>of</strong> Biology, 06100 Ankara, Turkey;<br />

pinar@science.ankara.edu.tr<br />

3 Selçuk University, Education Faculty, Department <strong>of</strong> Science Education,<br />

42090 Meram, Konya, Turkey; sdogu@selcuk.edu.tr<br />

4 Hacettepe University, Science Faculty, Department <strong>of</strong> Biology, 06532 Beytepe,<br />

Ankara, Turkey; ot@hacettepe.edu.tr<br />

Micromorphological features related with the pollens, nutlets and trichomes <strong>of</strong><br />

Lallemantia L. species growing in Turkey have been investigated mainly based on<br />

scanning electron microscope (SEM). Lallemantia pollens share common<br />

morphological features with the other subfamily Nepetoideae tribe Mentheae subtribe<br />

Nepetinae pollens. However, the fine details are characteristic to differentiate the<br />

pollen among the species. Exine is microreticulate in L. peltata (L.) Fisch. & C.A.<br />

Mey. and L. iberica (M. Bieb.) Fisch. & C. A. Mey., reticulate-foveolate in L.<br />

canescens (L.) Fisch. & C.A. Mey. Similarly, nutlet features are similar in general, but<br />

striking differences occur among the species in surface details. Nutlets are black and<br />

oblong-triangular with V-shaped areoles. The surface is verrucate in L. iberica and L.<br />

canescens, verrucate-rugulate in L. peltata. The warts are regular and separated in L.<br />

peltata, irregular and separated in L. iberica, irregular, and separated or sometimes<br />

associated into 2 to 4 groups in L. canescens. Two types trichome, capitate and<br />

acicular, present on the stems, leaves, calyx and bracts. The results suggest that<br />

although the distribution and micromorphology <strong>of</strong> trichomes has not taxonomic value,<br />

some pollen and nutlet micromorphological characters have the potential to serve as<br />

phylogenetic markers at the specific level in the genus Lallemantia. Hovewer, pollen<br />

characteristics show no correlation with the nutlet characeristics.<br />

58


P 09<br />

Possible hybrid origin <strong>of</strong> the Asian/American alpine genus Askellia<br />

W. A. Weber (Cichorieae, Compositae)<br />

Neela Enke & Birgit Gemeinholzer<br />

Botanic Garden and Botanical Museum Berlin-Dahlem, Freie Universitaet Berlin,<br />

Königin-Luise-Str. 6-8, 14195 Berlin, Germany; n.enke@bgbm.org,<br />

b.gemeinholzer@bgbm.org<br />

The genus Askellia was established by W. A. Weber in 1984. The genus is based on<br />

Crepis L. section Ixeridopsis. The species <strong>of</strong> this section comprise common<br />

morphological characteristics and are distinct from all other Crepis species. The<br />

Askellia group also features a basic chromosome number <strong>of</strong> x=7, a trait otherwise not<br />

known from Crepis. Morphologically the Askellia species seem to be transient<br />

between Crepis and the central Asian genus Youngia.<br />

Askellia is solely distributed throughout mountain ranges in North-America and<br />

Siberia. The most widespread species, A. nana, co-occurs with all other species <strong>of</strong><br />

the genus, while <strong>of</strong> the others one is restricted to N-American Rocky Mountains and<br />

the rest are local or regional endemics <strong>of</strong> central Asian mountain ranges.<br />

Recent molecular work based on nuclear ITS and chloroplast matK sequences now<br />

confirmed W.A.Weber’s exclusion <strong>of</strong> section Ixeridopsis from Crepis as genus<br />

Askellia. The species <strong>of</strong> Askellia are sister to Crepis s.l. in the ITS phylogeny, while<br />

they cluster with Youngia in the chloroplast tree. This discrepancy hints on a hybrid<br />

origin <strong>of</strong> the genus Askellia from ancestors <strong>of</strong> Crepis and Youngia. Ongoing studies<br />

on chromosome features, as well as biogeographic development <strong>of</strong> the genus are<br />

thought to bring further insights to the origin <strong>of</strong> the genus Askellia.<br />

59


P 10<br />

Speciation in Mediterranean mountain systems: Two examples from<br />

Spain and Morocco<br />

Pedro Escobar García, Gerald Schneeweiss and Peter Schoenswetter<br />

Department <strong>of</strong> Biogeography and Botanical Garden, Faculty Center Botany,<br />

University <strong>of</strong> Vienna. Rennweg 14, 1030 Vienna, Austria;<br />

pedro.escobar.garcia@univie.ac.at<br />

The Mediterranean Basin is one <strong>of</strong> the richest and most endangered ecoregions <strong>of</strong><br />

the Earth. Its complex geological history has shaped a large geographical diversity,<br />

with mountains higher than 4,000 m and a variety <strong>of</strong> islands and peninsulas which<br />

allow for a wide range <strong>of</strong> local climates. As a result, 13,000 species are endemic and<br />

concentrate in regional hotspots. With endemism rates higher than 20%, the Baetic-<br />

Rifan mountains (South-East Spain and Northern Morocco) are outstanding focuses<br />

<strong>of</strong> plant diversity. The Lavatera olbia complex is a mainly Western Mediterranean<br />

species group that has undergone up to two homoploid speciation processes in the<br />

Baetic-Rifan mountain systems. The related L. oblongifolia and L. valdesii are<br />

endemic <strong>of</strong> the Alpujarras (Eastern Andalucía, Spain), and <strong>of</strong> the Djebel Mezgout in<br />

the Eastern Rif (Morocco), respectively. Both species are morphologically similar and<br />

have developed marked morphological traits to protect themselves from<br />

environmental aridity. Contrastingly, L. olbia thrives in mesic areas near the<br />

seashore. Though directly related and despite their morphological affinities, L.<br />

valdesii and L. oblongifolia seem to be subjected to different challenges and differ<br />

from the perspective <strong>of</strong> population dynamics. Although both species are<br />

geographically restricted, L. oblongifolia is locally copious, appearing in large<br />

populations composed by individuals <strong>of</strong> different ages, and L. valdesii is known from<br />

a single population <strong>of</strong> less than 500 adult individuals. This work is a primer on the<br />

diversification, character evolution and phylogeography <strong>of</strong> the L. olbia complex in the<br />

Western Mediterranean Basin, and the first molecular study <strong>of</strong> L. valdesii.<br />

60


P 11<br />

Molecular phylogenetics <strong>of</strong> family Cleomaceae inferred from<br />

nuclear sequences with special reference to C3-C4 photosynthesis<br />

evolution, morphology, phylogeography and systematics<br />

Tatiana A. Feodorova 1 , Elena V. Voznesenskaya 2 , Gerald E. Edwards 3 , Eric H.<br />

Roalson 3<br />

1 Department <strong>of</strong> Higher <strong>Plant</strong>s, Biology Faculty, Lomonosov Moscow State University,<br />

Moscow, 119992, Russia; fedor@herba.msu.ru, torreya@mail.ru<br />

2 Laboratory <strong>of</strong> Anatomy and Morphology, V.L. Komarov Botanical Institute <strong>of</strong> Russian<br />

Academy <strong>of</strong> Sciences, Pr<strong>of</strong>. Popov Street 2, 197376, St Petersburg, Russia<br />

3 School <strong>of</strong> Biological Sciences, Washington State University, Pullman, WA 99164-<br />

4236, USA<br />

The goals <strong>of</strong> this study are to reconstruct the evolutionary patterns in the transitions<br />

between C 3 and C 4 photosynthesis and the origin <strong>of</strong> C 4 photosynthesis in Cleome.<br />

This includes determining whether evolution <strong>of</strong> C 4 occurred once or multiple times,<br />

the diversification <strong>of</strong> types <strong>of</strong> photosynthesis in Cleomaceae family, tendencies <strong>of</strong><br />

structural evolution <strong>of</strong> flowers, inflorescences and shoot systems, and biogeography.<br />

In order to determine the frequency and direction <strong>of</strong> changes in types <strong>of</strong><br />

photosynthesis and some floral and inflorescences structures, and biogeographical<br />

patterns for the Cleomaceae, we have inferred the phylogeny within the family from<br />

sequences <strong>of</strong> the internal transcribed spacers (ITS) <strong>of</strong> the nuclear ribosomal DNA.<br />

Our preliminary phylogenetic analysis showed that C 3 photosynthesis is the ancestral<br />

condition in Cleomaceae, and intermediate and C 4 photosynthesis are both derived<br />

conditions. C 4 photosynthesis is present in clade Gymnogonia (C. angustifolia, C.<br />

gynandra) and clade Siliquaria (C. oxalidea). Cleome paradoxa is a C 3 -C 4<br />

intermediate which occurs in the evolutionary lineage Gymnogonia, while C. allamani<br />

is a putative C 3 -C 4 intermediate, which is found in clade Siliquaria. Using the<br />

phylogenetic framework <strong>of</strong> Cleomaceae, we describe detailed relationships between<br />

photosynthetic type, hypothesis <strong>of</strong> origin and evolution <strong>of</strong> C 4 photosynthesis. Usually<br />

the shoot, inflorescences, floral and leaf structure are highly conserved at the lower<br />

taxonomic levels. We use our phylogenetic hypothesis to determine the frequency<br />

and direction <strong>of</strong> changes in shoot, inflorescences, floral and leaf structure in<br />

Cleomaceae family members and propose hypotheses on the direction <strong>of</strong> change <strong>of</strong><br />

these features. Our phylogenetic analyses suggest that both Peritoma and Polanisia<br />

have a North American origin. Polanisia taxa were widespread in the Old World.<br />

Thyllacophora-Buhsea groups and Cleome s.str have Afro-Asian origin and migrated<br />

to Australia and America. The taxonomy <strong>of</strong> Cleomaceae and systematic position <strong>of</strong><br />

species Cleome s.lat. are controversial. Implications for taxonomy and ranges <strong>of</strong><br />

Polanisia, Peritoma, Buhsea, Thyllacophora, Cleome s.str. taxa are discussed. This<br />

work was supported by CRDF grant RUB1-2829 ST-06.<br />

61


P 12<br />

Karyotype analysis and new chromosome number reports in Silene<br />

L. species (Sect. Auriculatae Boiss.)<br />

Abbas Golipour & Masoud Sheidai<br />

Faculty <strong>of</strong> Biological Sciences, Shahid Beheshti University, G.C., Tehran, Iran;<br />

abbas.gholipuor@gmail.com<br />

Silene L. is a very large genus <strong>of</strong> Caryophyllaceae containing c. 700 species which<br />

are mostly distributed throughout the northern hemisphere, <strong>of</strong> them 110 species grow<br />

in Iran. Silene section Auriculatae is the largest section containing about 35 species,<br />

out <strong>of</strong> which 21 species are endemic to Iran. Karyotypic analyses and new<br />

chromosome numbers <strong>of</strong> 13 populations <strong>of</strong> 11 (S. palinotricha, S. Sojakii, S.<br />

Gertraudiae, S. elymaitica, S. Meyeri, S. pseudonurensis, S. dshuparensis, S.<br />

eriocalycina, S. araratica, S. prilipkoana and S. commelinifolia) species have been<br />

reported for the first time. The chromosome number <strong>of</strong> all species studied were 2n =<br />

2x = 24 and mainly <strong>of</strong> metacentric (m) and sub-metacentric (sm) types. The ANOVA<br />

and LSD tests reveal a significant differences (p 0. 90), while in the second factor<br />

(8%), the ratio <strong>of</strong> long arm to short arm <strong>of</strong> the chromosomes 11 and 12 as well as<br />

TF% are the most variable characters (r >0. 70). Therefore these karyotypic<br />

characters play role in the genomic changes <strong>of</strong> the Silene species.<br />

62


P 13<br />

Phylogeography <strong>of</strong> the arctic-alpine Euphrasia minima complex<br />

(Orobanchaceae)<br />

Gussarova, G., 1, 3 Alsos, I.G. 2 and Brochmann C. 3<br />

1 Dept. Botany, St. Petersburg State University, Universitetskaya nab. 7/9, 199034 St.<br />

Petersburg, Russia; galina.gusarova@nhm.uio.no<br />

2 Department <strong>of</strong> Arctic Biology, The University Centre in Svalbard (UNIS), Pb. 156,<br />

9171 Longyearbyen, Norway; inger.alsos@unis.no<br />

3 National Centre for Biosystematics, Natural History Museum, University <strong>of</strong> Oslo, PO<br />

Box 1172 Blindern,NO-0318 Oslo, Norway; christian.brochmann@nhm.uio.no<br />

The Euphrasia minima Jacq. ex DC. aggregate includes the arctic E. wettsteinii and<br />

the alpine E. minima and E. tatrae. The plants are annual hemiparasites and thus<br />

represent rare exceptions in the perennial-dominated arctic habitats. We studied<br />

genetic differentiation to infer the migration history <strong>of</strong> this species group, with<br />

emphasis on the Arctic. Bayesian clustering, multilocus assignment tests, tree- and<br />

network building were applied to molecular data from 217 individuals from 43<br />

populations. Three distinct AFLP groups were identified: Central European (Alps and<br />

Pyrenees), East Atlantic (Kola, Pechora and Urals, N Norway, Scotland, Svalbard)<br />

and West Atlantic (Newfoundland, E and W Greenland, Iceland, N Norway,<br />

Svalbard). A parsimony based cpDNA phylogeny confirmed a major split between the<br />

alpine and arctic populations, also evident in the AFLP data. The arctic cpDNA<br />

lineage was split into two weakly supported sublineages, corresponding to the two<br />

northern AFLP groups. Our results thus suggest two distinct northern glacial refugia,<br />

one eastern and one western, and that plants from both <strong>of</strong> them colonized<br />

Scandinavia and Svalbard after the last glaciation. The two arctic lineages apparently<br />

diverged before the onset <strong>of</strong> the Pleistocene glaciations (4.9 Mya), according to<br />

estimates based on the cpDNA data.<br />

63


P 14<br />

Polyploid cytotypes <strong>of</strong> Senecio jacobaea in Central and Eastern<br />

Europe<br />

Iva Hodálová 1 , Pavol Mereďa Jr. 1 , Alexandra Vinikarova 2 , Vít Grulich 2 & Viera<br />

Feráková 1<br />

1 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská cesta 14, SK-845 23<br />

Bratislava, Slovak Republic; iva.hodalova@savba.sk, pavol.mereda@savba.sk,<br />

viera.ferakova@savba.sk<br />

2 Institute <strong>of</strong> Botany and Zoology, Masaryk University, Kotlářská 2, CZ-611 37 Brno,<br />

Czech Republic; 106286@mail.muni.cz, grulich@sci.muni.cz<br />

The occurrence <strong>of</strong> polyploid races within plant species continues to be <strong>of</strong> interest to<br />

plant biosystematists and evolutionists. Some studies have suggested that polyploidy<br />

has played a much more important role in plant evolution than believed previously.<br />

Senecio jacobaea (Asteraceae) is an example <strong>of</strong> a karyologically variable species<br />

comprising two cytotypes in Central and Eastern Europe: tetraploid (2n = 40) and<br />

octoploid (2n = 80). Tetraploids are widespread throughout Europe; octoploids are<br />

restricted only to: (1) Central Europe – Pannonian basin and (2) Eastern Europe –<br />

Podillya highlands, Ukraine. Although tetraploid populations <strong>of</strong> S. jacobaea have<br />

been studied recently from various points <strong>of</strong> view (using molecular treatments), there<br />

are no comprehensive studies devoted to the octoploids. Results <strong>of</strong> our<br />

morphological evaluation <strong>of</strong> populations <strong>of</strong> S. jacobaea from Central and Eastern<br />

Europe revealed that "Ukrainian" octoploids are morphologically different from<br />

“Ukrainian” tetraploids, as well as from both tetraploid and octoploid plants occurring<br />

in the Pannonian basin. This might indicate for this polyploid a different taxonomic<br />

status and evolutionary history.<br />

In our forthcoming study, we will use amplified fragment length polymorphism (AFLP)<br />

marker pr<strong>of</strong>iles to elucidate (1) taxonomic position <strong>of</strong> octoploid populations from the<br />

Podillya highlands, and (2) origin <strong>of</strong> octoploid cytotypes occurring in Pannonian basin<br />

and Podillya highlands [whether they form a monophyletic group or they have arisen<br />

recurrently at different locations (having multiple origin)].<br />

64


P 15<br />

A preliminary approach to the genetic structure <strong>of</strong> Arabis alpina<br />

populations from the Arctic, Europe and Morocco<br />

Pablo T. Ibarra & Julia Rueda<br />

Department <strong>of</strong> Genetics, Faculty <strong>of</strong> Biology, UCM. Ciudad Universitaria, 28040<br />

Madrid, Spain. ptibarra@bio.ucm.es.<br />

Arabis alpina L. is a world-wide Arctic alpine species growing from Kilimanjaro to the<br />

North Pole. Recently, some studies have been carried out on its phylogeography<br />

providing some clues about the postglacial migration <strong>of</strong> this taxon. Consequently, our<br />

interest is focussed on a wide study <strong>of</strong> the genetic structure <strong>of</strong> the Northern<br />

Hemisphere populations.<br />

We sampled one population from Morocco, five populations from Europe and one<br />

from Greenland, in order to estimate the genetic variation within and between<br />

populations. The estimates were done by means <strong>of</strong> ISSR markers. Six primers were<br />

chosen which gave more than 50 polymorphic markers. Most markers did not detect<br />

variation in the Arctic populations, being difficult to distinguish among individuals<br />

coming from Greenland or Island. The population from Tatry mountains was the most<br />

variable followed by the Moroccan and Pyrenean populations. Not surprisingly, the<br />

south Spanish population <strong>of</strong> Sierra Nevada presented low genetic variation probably<br />

due to the isolation <strong>of</strong> this mountain range. Generally, most <strong>of</strong> the genetic variation<br />

was found between populations. However, a Pyrenean population was clearly split<br />

into two subpopulations: Five individuals collected in a damn in the lower part <strong>of</strong> the<br />

valley could be clearly distinguished from five individuals collected in a river margin in<br />

the upper part.<br />

A. alpina populations seem to have strong genetic differentiation between<br />

geographically close populations. This scenario could be due to a high selfing rate,<br />

common in the Cruciferae family, and to the scattered discontinuous distribution <strong>of</strong><br />

populations, which is commonly observed in the field for the species. That strategy<br />

could be long term limiting due to the reduced genetic variation within populations. It<br />

seems to be the result <strong>of</strong> many trials that occasionally generated rather favourable<br />

ecotypes that became widespread. This might have been the origin <strong>of</strong> the<br />

widespread, and genetically uniform, Arctic A. alpina whose populations showed a<br />

pattern which was clearly separated from those <strong>of</strong> the alpine ones.<br />

65


P 16<br />

Evolutionary processes in continental island systems: molecular<br />

phylogeography <strong>of</strong> the Aegean Nigella arvensis L. complex<br />

(Ranunculaceae) by means <strong>of</strong> AFLP markers<br />

Ursula Jaros, Andreas Tribsch, Hans Peter Comes<br />

University <strong>of</strong> Salzburg, Hellbrunnerstr. 34, 5020 Salzburg, Austria,<br />

ursulajaros@yahoo<br />

The complex paleogeographic history <strong>of</strong> the Aegean Archipelago makes this mostly<br />

continental island system a unique biogeographic setting for the study <strong>of</strong> plant<br />

evolution and speciation. In this area, the genus Nigella has radiated during the<br />

(Late) Quaternary into six species (12 taxa) <strong>of</strong> mainly allo- or parapatric distribution<br />

(N. arvensis complex). While most taxa are outcrossing and interfertile, two species<br />

are predominantly selfing and reproductively isolated from each other and the former.<br />

Phylogeographic evidence based on chloroplast (cp) DNA (Bittkau & Comes, 2005)<br />

indicated that geographic isolation, limited seed flow, and genetic drift had a major<br />

role in the evolution <strong>of</strong> the complex, but failed to resolve inter-species relationships.<br />

Here, we will re-address these issues based on a survey <strong>of</strong> amplified fragment length<br />

polymorphisms (AFLPs) across all species <strong>of</strong> the complex (48 populations/568<br />

individuals). Preliminary results and conclusions drawn from genetic distance and<br />

diversity analyses are: (1) Most nominal species <strong>of</strong> the complex are genetically<br />

distinct entities, suggesting that erratic instances <strong>of</strong> cpDNA haplotype sharing across<br />

species boundaries are due to incomplete lineage sorting rather than ongoing<br />

hybridization. (2) The enigmatic disjunct distribution <strong>of</strong> N. arvensis ssp. brevifolia in<br />

Crete and Rhodes likely reflects the existence <strong>of</strong> two separate species. (3) Although<br />

the spatial-temporal origin <strong>of</strong> the two selfing island taxa (N. doerfleri, N. stricta) is not<br />

yet fully understood, they clearly do form separate genetic entities rather than being<br />

nested within the outcrossing alliance. (4) Given the genetic distinctness <strong>of</strong> N.<br />

doerfleri, its present co-occurrence with the outcrosser N. degenii in the Cyclades is<br />

best interpreted as a zone <strong>of</strong> secondary contact. (5) Not unexpectedly, levels <strong>of</strong><br />

genetic diversity are markedly reduced in both N. doerfleri and N. stricta compared to<br />

the outcrossers, most likely as a result <strong>of</strong> reductions in effective population size due<br />

to selfing. In addition, however, the former taxon is markedly depauperate in terms <strong>of</strong><br />

rare marker fragments. This may reflect a pronounced difference in the demography<br />

<strong>of</strong> these two selfers, with the widespread N. doerfleri having been more strongly<br />

affected by founder effects in the wake <strong>of</strong> (remote) island colonization than the<br />

narrow endemic N. stricta (Crete, Kithira).<br />

66


P 17<br />

Polyploid evolution in plants: the effect <strong>of</strong> genome duplication on<br />

self-incompatibility systems in Arabidopsis<br />

Marte H. Jørgensen 1, 2 *, Barbara Mable 2 , Anne K. Brysting 1<br />

1 Centre for Ecological and Evolutionary Synthesis (CEES), Department <strong>of</strong> Biology,<br />

University <strong>of</strong> Oslo, P.O. Box 1066 Blindern, NO-0316 OSLO, Norway<br />

2 Division <strong>of</strong> Environmental and Evolutionary Biology, Graham Kerr Building,<br />

University <strong>of</strong> Glasgow, Glasgow G12 8QQ, United Kingdom; *martej@ulrik.uio.no,<br />

Polyploidy, i.e., the duplication <strong>of</strong> entire nuclear genomes, has shaped the evolution<br />

<strong>of</strong> major lineages <strong>of</strong> eukaryotes and is particularly prominent in flowering plants.<br />

Although many duplicated genes will be silenced or lost through time, more than<br />

expected from classical theory are retained in the genomes <strong>of</strong> polyploids. Identifying<br />

diploid predecessors <strong>of</strong> tetraploid populations will enable us to compare directly<br />

polyploids with their parental taxa. The evolution <strong>of</strong> several polyploid lineages in<br />

Arabidopsis and the close relationship to the model species A. thaliana makes this<br />

genus a highly interesting model system for studies on polyploid evolution. We use<br />

this to study the consequences <strong>of</strong> polyploidisation on genetic diversity in natural<br />

populations <strong>of</strong> A. lyrata and A. arenosa, with emphasis on the self-incompatibility (SI)<br />

system. Four diploid and four tetraploid populations <strong>of</strong> both taxa will be analysed by<br />

low-copy nuclear genes (PgiC, scADH, CHS) to identify the origin <strong>of</strong> the tetraploids,<br />

and allelic diversity <strong>of</strong> the populations will be compared using genotyping <strong>of</strong> S-alleles.<br />

67


P 18<br />

Chemodiversity <strong>of</strong> essential oil components in some Ferula<br />

(Apiaceae) species from Iran<br />

Mohammad Reza Kanani 1 , Mohammad Reza Rahiminejad 1 , Shahrokh Kazempour<br />

Osaloo 2 & Valioallah Mozaffarian 3<br />

1 Department <strong>of</strong> Biology, Faculty <strong>of</strong> Sciences, Isfahan University, Isfahan, Iran;<br />

2 Department <strong>of</strong> Biology, Faculty <strong>of</strong> Basic Sciences, Tarbiat Modarres University,<br />

Tehran, Iran;<br />

3 Department <strong>of</strong> Botany, Research Institute <strong>of</strong> Forests and Rangelands Iran, Tehran,<br />

Iran; m_kanani@stf.sbu.ac.ir<br />

The genus Ferula L. belonging to the Apioideae subfamily <strong>of</strong> Apiaceae consists <strong>of</strong> c.<br />

177 species which are mostly distributed throughout the central asia, <strong>of</strong> which 32<br />

taxa containing 16 endemic species are growing in Iran. A chemodiversity <strong>of</strong><br />

essential oil components in nine Ferula species (F. hirtella, F. badghysii, F.<br />

diversivittata, F. foetida, F. tabasensis, F. orientalis, F. galbaniflua, F. gummosa and<br />

F. persica) were studied. The oils were obtained by hydrodistillation from aerial<br />

flowering parts <strong>of</strong> samples and analyzed by GC-MS. The identified constituents<br />

revealed significant qualitative and quantitative differences among species studied.<br />

For the evaluation <strong>of</strong> chemotaxonomic significance <strong>of</strong> the essential oil components,<br />

each specific and or common identified compound was used as marker. α-Pinene<br />

was the common component almost in all analyzed oils except for the first three<br />

species. Germacrene B and germacrene D were the major compounds <strong>of</strong> F. hirtella,<br />

while verbenone isomers were the principal ones for F. diversivittata. The major<br />

constituents in other species studied were myrcene, thiophene derivatives, sabinene,<br />

nonane and octane, β-pinene, carotol and sabinene, respectively. Finally, a detailed<br />

discussion on chemodiversity and chemotaxonomic relationship among species<br />

investigated are presented.<br />

68


P 19<br />

Biosystematic study on the genus Onobrychis in Iran<br />

Massoud Ranjbar, Roya Karamian, Fatemeh Hajmoradi, Anahita Hadadi & Saeedeh<br />

Afsari<br />

Department <strong>of</strong> Biology, Faculty <strong>of</strong> Science, Bu-Ali Sina University, P.O.Box<br />

65175/4161, Hamedan, Iran; E-mail:ranjbar@basu.ac.ir<br />

The genus Onobrychis with nearly 130 species is mainly distributed in the north<br />

temperate regions, but centers <strong>of</strong> its diversity are in the eastern Mediterranean area<br />

and western Asia. Many species are exploited as high-protein fodder plants for<br />

ruminants and equines and, due to the specific peculiarity <strong>of</strong> nitrogen fixation; they<br />

play an important role in the enrichment <strong>of</strong> soil, increasing the nutritive value <strong>of</strong><br />

drought-resistant pasture. Biosystematic study on three large sections <strong>of</strong> the genus<br />

was performed using morphometric and cytogenetic data. In morphometry, more than<br />

45 qualitative and quantitative characters in 70 populations <strong>of</strong> 30 species were<br />

studied. Meiotic studies were performed on above taxa concerning meiotic<br />

chromosome counts; polyploidy level, chiasma frequency/distribution, chromosome<br />

association and segregation. The species and populations studied possessed 2n =<br />

14, 16 and 28 chromosome number. The chromosome numbers <strong>of</strong> the most species<br />

are reported for the first time. Meiotic abnormalities observed included laggard<br />

chromosome formation, stickiness, desynapsis and cytomixis. Unreduced pollen<br />

grains were observed in some <strong>of</strong> the species, which differed significantly in their size<br />

compared to the normal (reduced) pollen grains. Cluster analysis <strong>of</strong> morphometric<br />

and meiotic data and ordination <strong>of</strong> species based on the first two principal component<br />

axes grouped the taxa with similar characteristics. Pollen fertility was studied in all<br />

taxa that showed a significant positive correlation with the frequency <strong>of</strong> terminal and<br />

total chiasma as well as proper segration <strong>of</strong> chromosomes during anaphase and<br />

telophase stages. B-chromosomes were observed in some species affecting the<br />

chiasma frequency/distribution as well as chromosome association.<br />

69


P 20<br />

Nutlet morphology <strong>of</strong> Turkish Acinos Miller species<br />

Ayla Kaya 1 & Muhittin Dinç 2<br />

1 Anadolu University, Faculty <strong>of</strong> Pharmacy, Department <strong>of</strong> Pharmaceutical Botany,<br />

26470 Eskisehir, Turkey; aykaya@ anadolu.edu.tr<br />

2 Selçuk University, Education Faculty, Department <strong>of</strong> Biology Education,<br />

42090 Meram, Konya, Turkey; muhdinc@yahoo.com<br />

Nutlet characters within the family <strong>of</strong> Lamiaceae have the taxonomic significance. In<br />

this study, nutlet morphology <strong>of</strong> 6 taxa <strong>of</strong> Turkish Acinos species was examined using<br />

both stereoscopic and scanning electron microscopy (SEM). Different morphological<br />

types are described and illustrated according to features <strong>of</strong> the nutlet surface. It is<br />

clear that external nutlet characters, especially surface ornamentation, have a<br />

diagnostic character to separate for Acinos species.<br />

70


P 21<br />

Anatomical, ecological and palynological investigations on Allium<br />

cassium Boiss. (Liliaceae)<br />

Muhittin Dinç, Baştürk Kaya, Süleyman Doğu<br />

Allium cassium is East Mediterranean element growing in Turkey as well as in<br />

Latakia, Cyprus, and Lebanon. This study firstly presents investigations into the<br />

anatomical, ecological and palynological features <strong>of</strong> A. cassium colected from<br />

province <strong>of</strong> Mersin, South Anatolia. For anatomical studies, cross-sections <strong>of</strong> the<br />

stems, leaves and surface sections <strong>of</strong> the leaves <strong>of</strong> A. cassium are investigated.<br />

Palynologically, the pollens <strong>of</strong> the species are studied using both LM and SEM.<br />

Furthermore, for ecological investigations, the climatic features <strong>of</strong> its habitat, and its<br />

typical associated species are briefly discussed. As a result <strong>of</strong> the studies, vasculer<br />

bundles <strong>of</strong> the stem are regularly distributed on two axes, the leaves are isolateral<br />

and amphistomatic with anomocytic stomata, the pollens are tricolpate, prolate, with<br />

perforate ornamentation. A. cassium ecologically grows on river banks and alpine<br />

steppe at an elevation <strong>of</strong> 1700-2100 m, on which the first variant <strong>of</strong> the East<br />

Mediterranean precipitation regime prevails.<br />

71


P 22<br />

A morphological cladistic analysis <strong>of</strong> tribe Eritrichieae<br />

(Boraginaceae) in Iran<br />

Maryam Khoshsokhan 1 , Shahrokh Kazempour Osaloo 2 , Farideh Attar 3 , Sara<br />

Saadatmend 4 , Taher Nejadsatari 4<br />

1 Biology Department, Basic Science Faculty, Azad University <strong>of</strong> Qom, Qom, Iran,<br />

maryamkhoshsokhan@yahoo.com<br />

2 Biology Department, Basic Science Faculty, Tarbiat Modarres university, Tehran,<br />

Iran<br />

3 <strong>Plant</strong> Biology Department, Basic Science Faculty, Tehran University, Tehran, Iran;<br />

4 Biology Department, Basic Science Faculty, Azad University, Science and Research<br />

Branch, Tehran, Iran<br />

A cladistic analysis <strong>of</strong> tribe Eritrichieae (Boraginaceae) based on morphological data<br />

is presented. The data matrix comprises 42 ingroup taxa and Trichodesma incanum,<br />

T. africanum, Cynoglossum creticum and C. <strong>of</strong>ficinale as outgroups. 43 vegetative<br />

and reproductive characters using maximum parsimony approaches implemented in<br />

PAUP* were analyzed, in two stages. The first (equally weighted) and second<br />

(reweighted by rescaled consistency index) analyses generated 774 (L=221 steps,<br />

CI=0.290, RI=0.691) and 15 (L=42.59 steps, CI=0.501, RI=0.861) shortest trees,<br />

respectively. From the base <strong>of</strong> trees, Asperugo procumbens was the first branch<br />

followed by two species <strong>of</strong> Cynoglossum as a sister to an assemblange <strong>of</strong><br />

Myosotideae-Eritrichieae. Based on morphological data, Eritrichieae is appeared to<br />

be monophyletic. Within this clade, Heterocaryum, Rochelia and Lepechiniella are<br />

monophyletic but monophyly <strong>of</strong> Lappula is not clear. These data are almost<br />

congruent with molecular analysis results <strong>of</strong> both nuclear and chloroplast DNAs.<br />

72


P 23<br />

Seed flavonoids in some members <strong>of</strong> Euphorbia (Euphorbiaceae)<br />

from Markazi province in Iran<br />

Masomeh Khosravi 1 , Mitra Noori 2 & Akram Ahmadi 2<br />

1 Islamic Azad University, Ashtian Branch, Ashtian, Iran<br />

2 Biology Department, Faculty <strong>of</strong> Science, University <strong>of</strong> Arak, Arak, Iran<br />

Euphorbia is one <strong>of</strong> the largest genera in Euphorbiaceae with more than 2000<br />

species in the world and about 100 species in Iran. The taxonomically most important<br />

phenolics are the flavonoids that are a class <strong>of</strong> plant secondary metabolites. Seed<br />

flavonoids were one <strong>of</strong> the character sets used to assess the relationships among<br />

taxa. Aqueous-ethanolic extracts <strong>of</strong> seeds from 15 collected Euphorbia species from<br />

different part <strong>of</strong> Markazi Province <strong>of</strong> Iran were examined for flavonoid detection,<br />

isolation and identification by 2-dimensional paper chromatography (2-DPC), thin<br />

layer chromatography (TLC). Voucher specimens <strong>of</strong> each sample were prepared for<br />

reference. Studies <strong>of</strong> seed flavonoids showed some phytochemical characters such<br />

as total number <strong>of</strong> flavonoids, kaempherol, quercetin, myricetin, flavone and<br />

dihydr<strong>of</strong>lavonol glycoside are valuable for chemotaxonomy and their usage.<br />

73


P 24<br />

Inventory <strong>of</strong> the flora <strong>of</strong> the Nature Park Učka<br />

Tamara Kirin, Dario Hruševar, Marina Magajne, Luka Škunca<br />

BIUS-Biology Student Association, Rooseveltov trg 6, 10 000 Zagreb, Croatia;<br />

tamarakirin@gmail.com, hrusevar@botanic.hr, marina.magajne@gmail.com,<br />

skuncal@gmail.com<br />

The Nature Park Učka is located in the area <strong>of</strong> Učka mountain massif and adjacent<br />

part <strong>of</strong> Ćićarija plateau (N – NE part <strong>of</strong> Istrian peninsula), west Croatia. The area <strong>of</strong><br />

the Park is 160 km 2 and the highest part, named Vojak, is 1401 meter above the sea<br />

level. According to the climate classification by Köppen the explored parts belong<br />

mostly to the warm temperate and fully humid climate with warm summer (Cfb). The<br />

main part <strong>of</strong> Park lies on limestone and flysch, which allowes the existance <strong>of</strong> many<br />

groundwater collectors. Geological structure, together with climate, is the main factor<br />

<strong>of</strong> development <strong>of</strong> numerous plant taxa.<br />

Inventory <strong>of</strong> the flora <strong>of</strong> the Nature Park Učka was held in July 2006 on 18 before<br />

arranged locations in order to cover the most different habitat types. The aim was to<br />

collect the preliminary data about floristic biodiversity <strong>of</strong> the Park.<br />

During the research 373 different plant taxa from 69 families have been found. The<br />

most numerous families are Poaceae (9.6%), Fabaceae and Asteraceae (8.6%<br />

each). The most common life form is hemicryptophyte (49,7%) followed by<br />

phanerophyta (16.4%), geophyta (12.9%), therophyta (9.7%), chamaephyta (8,9%),<br />

nanophanerophyta (2.1%) and only one form <strong>of</strong> hidrophyta. 18 species (EN 1, NT 6,<br />

VU 4, LC 6, DD 1) from The Croatian Red Book <strong>of</strong> Vascular Flora (Nikolic, T. &<br />

Topic, J., eds. 2005) were found. According to the Nature Conservation Law 16 taxa<br />

are strictly protected and 63 taxa are protected.<br />

74


P 25<br />

The genus Onosma in the Alps<br />

Vladislav Kolarčik 1,2 & Pavol Mártonfi 2<br />

1 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská cesta 14, SK-845 23<br />

Bratislava, Slovak Republic; vladislav.kolarcik@savba.sk<br />

2 Institute <strong>of</strong> Biology and Ecology, Department <strong>of</strong> Botany, Faculty <strong>of</strong> Science, P. J.<br />

Šafárik University, Mánesova 23, SK-04154 Košice, Slovak Republic;<br />

pavol.martonfi@upjs.sk<br />

In the Alps, the genus Onosma is represented by two groups <strong>of</strong> taxa with bimodal<br />

karyotypes: “O. pseudoarenaria“ group (2n=12L + 14S) and “O. arenaria“ group<br />

(2n=12L + 8S). Individual taxa <strong>of</strong> the mentioned groups have originated through<br />

allopolyploidization and are characterized by uncertain morphological differences.<br />

Evaluation <strong>of</strong> characters usually used to distinguish individual taxa (type <strong>of</strong><br />

indumentum, shape <strong>of</strong> leaves, length and width <strong>of</strong> leaves, margin <strong>of</strong> anthers and<br />

branching <strong>of</strong> stems) are nearly always problematic. Discrepancies in using <strong>of</strong> their<br />

names, occurring also due to taxonomic complications, are known in the literature. A<br />

review <strong>of</strong> taxonomic concepts and contradictory literature data related to<br />

nomenclature <strong>of</strong> individual taxa <strong>of</strong> the presented groups in the Alps and possible<br />

solutions <strong>of</strong> the described problems are given.<br />

75


P 26<br />

Phylogeography <strong>of</strong> Sempervivum montanum<br />

Grazyna Korbecka 1 , Dominik Roman Letz 2 , Michal Ronikier 1 , Elzbieta Cieslak 1 and<br />

Intrabiodiv Consortium<br />

1 Institute <strong>of</strong> Botany, Polish Academy <strong>of</strong> Sciences, Lubicz 46, PL-31-512, Krakow,<br />

Poland<br />

2 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská cesta 14, SK-845 23<br />

Bratislava, Slovakia<br />

We analyzed the patterns <strong>of</strong> genetic variation <strong>of</strong> Sempervivum montanum<br />

(Crassulaceae), a European mountain plant species. Our dataset consisted <strong>of</strong><br />

amplified fragment length polymorphism (AFLP) data <strong>of</strong> 118 individuals from 43<br />

populations in the Alps, the Carpathians and single localities in the south <strong>of</strong> Europe.<br />

The analysis <strong>of</strong> the AFLP pr<strong>of</strong>iles resulted in scoring 121 repeatable markers. On<br />

average, the percentage <strong>of</strong> polymorphic markers and Nei’s gene diversity were lower<br />

for the Carpathian populations compared to the Alpine ones. Interestingly, within the<br />

Alps, Nei’s gene diversity increased with longitude; it was the highest between 13<br />

and 15 degree, in Eastern Alps. Principal coordinate analysis revealed the highest<br />

differentiation between the Carpathians and the Alps. More detailed patterns <strong>of</strong> the<br />

genetic structure were studied using Bayesian analysis.<br />

76


P 27<br />

ENSCONET, the European Native Seed Conservation Network<br />

Jaromír Kučera 1 , Marek Slovák 1 & Karol Marhold 1,2<br />

1 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská cesta 14, SK-845 23<br />

Bratislava, Slovak Republic; judita.lihova@savba.sk, karol.marhold@savba.sk &<br />

2 Department <strong>of</strong> Botany, Charles University, Benátská 2, CZ-128 01 Praha 2, Czech<br />

Republic<br />

Ensconet, the European Native Seed Conservation Network, walked its first steps in<br />

November 2004 after a long preparation process. The network, headed by the<br />

Millenium Seed Bank (Royal Botanical Gardens, Kew), is composed <strong>of</strong> 24 institutes<br />

from 17 European countries and two associate members, covering 9 <strong>of</strong> 10 major biogeographical<br />

regions <strong>of</strong> Europe. It is a Co-ordination Action funded under the<br />

European Union’s 6 th Framework Programme. The project links to other national and<br />

European conservation networks and comprises a wealth <strong>of</strong> seed banking<br />

experience. Its purpose is the improved quality, coordination and integration <strong>of</strong><br />

European seed conservation practice, policy and reasearch for native plant species,<br />

and to assist EU conservation policy and its obligations to the Convention on<br />

Biological Diversity and its Global Strategy for <strong>Plant</strong> Conservation.<br />

ENSCONET co-ordinates and enhances activities <strong>of</strong> several European seed banks,<br />

botanical gardens or institutes interested in seed conservation, in order to reduce<br />

duplicated efforts in establishing and improving technologies for seed collecting,<br />

curation and data management. That is being achieved through creating common<br />

high standard protocols for collection and curation, compiling data on species held in<br />

European seed banks. At this moment, a virtual seed bank is being created for<br />

European native plants. The 24 partners are establishing priority species lists for new<br />

seed collection in each <strong>of</strong> the 9 bio-geographical regions. ENSCONET’s perspective<br />

is that it is essential to preserve seed diversity in order to avoid the extinction <strong>of</strong><br />

native species from European regions. ENSCONET work is organised in four main<br />

activities: collection, curation, data management and dissemination. The<br />

dissemination activity group communicates with the general public, decision makers<br />

and research colleagues. It will achieve over the years a better public understanding<br />

<strong>of</strong> seed banking and <strong>of</strong> the importance <strong>of</strong> seed banking <strong>of</strong> native plants.<br />

77


P 28<br />

Cytological studies on some members <strong>of</strong> Monochlamydeae from<br />

Patiala and adjoining areas<br />

V.K.Sinohal, M.K.Sidhu and Puneet Kumar*<br />

Department <strong>of</strong> Botany, Punjabi University, Patiala-147002, India<br />

*puneetbotcyto@gmail.com<br />

The present detailed meiotic studies pertain to 25 species grouped under 18 genera<br />

belonging to eight families <strong>of</strong> Monochlamydeae from Patiala and adjoining areas. Out<br />

<strong>of</strong> these, 15 are herbs and the remaining are trees and shrubs. The chromosome<br />

counts for nine species, Boerhaavia diffusa (2n=4x=52), Aerva scandens<br />

(2n=2x=16), Chenopodium album (2n=4x=36), C. ambrosoides (2n=4x=32), Rumex<br />

hastatus (2n=2x=18) Cinnamomum camphora (2n=2x=24), Aleurites moluccana<br />

(2n=2x=22), Codiaeum variegatum (2n=6x=72) and Jatropha panduraefolia<br />

(2n=2x=22) have been studied for the first time from North West India. In spite <strong>of</strong><br />

abnormalities in disjunction <strong>of</strong> 1-2 bivalents in some PMCs which have led to the<br />

formation <strong>of</strong> laggards during anaphases/telophases in Debregeasia hypoleuca<br />

(2n=28) and Rumex dentatus (2n=20), microsporogenesis is perfectly normal<br />

resulting to very high pollen fertility. Cytomixis, involving inter PMC transfer <strong>of</strong><br />

chromatin has been reported to be present in Rumex hastatus (2n=18) and<br />

Euphorbia royleana (2n=120). In these species, cytomixis does not seem to affect the<br />

meiotic course as pollen fertility is found to be very high. In rest <strong>of</strong> the species meiotic<br />

course is normal and results into high pollen viability. Intraspecific chromosomal<br />

variations are present in several currently investigated species like, Boerhaavia<br />

diffusa (2n=26, 52), Bougainvillea glabra (2n=20, 34), Achyranthus aspera (2n=14,<br />

21, 36, 42, 84), Aerva scandens (2n=16, 36, 52), Amaranthus spinosus (2n=32, 34),<br />

Chenopodium album (2n=18, 36, 42, 54), C. ambrosoides (2n=16, 32, 36, 64),<br />

Aleurites moluccana (2n=22,44), Codiaeum variegatum (2n=24, 48, 72, 80, 84, 90,<br />

96, 100, 108, 112, 116, 120, 124, 72), Euphorbia helioscopia (2n=12,42,) E. hirta<br />

(2n=12, 18, 20), E. pulcherrima (2n=21, 26, 28, 30, 42, 44, 56), E. royleana<br />

(2n=120+0-2B,120) and Cannabis sativa (2n=20, 40, 80). It suggests therefore, that<br />

there is a need to reinvestigate these species also from other areas.<br />

78


P 29<br />

Differentiaton <strong>of</strong> Salix herbacea and S. reticulata (Salicaceae)<br />

populations in Europe<br />

Katarzyna Marcysiak, Amelia Lewandowska<br />

Department <strong>of</strong> Botany, Institute <strong>of</strong> Environmental Biology, Kazimierz Wielki<br />

University, Ossolinskich 12, 85-072 Bydgoszcz, Poland; marc@ukw.edu.pl<br />

Salix reticulata and Salix herbacea are examples <strong>of</strong> arctic-alpine plants, with<br />

disjunction in their ranges since the end <strong>of</strong> the last glaciation. The aim <strong>of</strong> the present<br />

work is to answer the question whether this period has been sufficient for<br />

morphological differentiation between contemporary isolated populations to occur.<br />

Six populations <strong>of</strong> Salix reticulata and 7 <strong>of</strong> S. herbacea from the Tatra Mountains, the<br />

western part <strong>of</strong> the Scandinavian Mountains, the Western Alps and the Pyrenees<br />

were examined. For each population 10 leaves <strong>of</strong> at least 30 specimens, at least 3 m<br />

distant from each other, to avoid sampling the same genets, were collected.<br />

Similar leaves’ characters <strong>of</strong> the two different species were the most and the least<br />

varied. The calculated features were more stable than the measured ones, which<br />

may have resulted from the influence <strong>of</strong> the growth conditions on the size <strong>of</strong> leaves.<br />

For that reason, comparisons among populations were made using calculated traits<br />

only. Several leaf traits <strong>of</strong> S. herbacea were statistically significantly correlated to<br />

longitude.<br />

Among the S. reticulata populations, one <strong>of</strong> the samples from the Pyrenees and one<br />

from the Tatra Mountains were the most different ones. Other samples were more<br />

similar. The samples <strong>of</strong> S. herbacea from Norway and the Pyrenees were similar.<br />

The population from the Western Alps was more distant, whereas the one from the<br />

Tatra Mountains was very different.<br />

The observed differentiation may have been caused by postglacial isolation between<br />

populations. The obtained results may indicate a migration way from the Iberian<br />

Peninsula to Scandinavia. The Tatra populations probably have been isolated for a<br />

longer period.<br />

79


P 30<br />

Cytoplasm and nuclear ribosomal DNA evidence reveal a<br />

differentiated Southern Iberian lineage <strong>of</strong> wild trumpets (Narcissus<br />

sect. Pseudonarcissus)<br />

Isabel Marques 1 , Gonzalo Nieto Feliner 2 , Amélia Martins-Loução 1 & Javier Fuertes<br />

Aguilar 2<br />

1 Jardim Botânico, Universidade de Lisboa, Rua Escola Poltécnica 58, 1200 Lisboa,<br />

Portugal; icmarques@fc.ul.pt & 2 Real Jardín Botánico, CSIC, Plaza de Murillo 2,<br />

28014 Madrid, España<br />

Narcissus section Pseudonarcissus, horticulturally known as trumpet daffodils,<br />

includes 6 to 28 species (depending on authors) endemic to Europe, with its largest<br />

diversity concentrated in the Iberian Peninsula. As part <strong>of</strong> a wider study aiming to<br />

reconstruct the phylogeny <strong>of</strong> Narcissus, we present here the results concerning this<br />

section based on two chloroplasts and one nuclear marker.<br />

Phylogenetic analyses based on parsimony and Bayesian methods, reticulation<br />

networks like TCS, and splits decomposition were used to reconstruct the<br />

relationships among the analysed species. Chromosome numbers and karyological<br />

features were also considered.<br />

Our results reveal two major lineages in maternally inherited phylogenies, one <strong>of</strong><br />

them geographically associated with Southern Iberian Mountains. The nuclear<br />

ribosomal data also indicates isolation <strong>of</strong> Southern Iberian taxa from the remaining<br />

representatives <strong>of</strong> the section although the position <strong>of</strong> one <strong>of</strong> the Southern Iberian<br />

species, N. bujei, switches in the two phylogenies. The possible causes for such<br />

incongruent pattern, probably including reticulation, are discussed since it is not<br />

directly linked to any morphological, ecological or karyological trait.<br />

80


P 31<br />

Mediterranean mountains: plant biodiversity and phylogeographical<br />

hotspots<br />

Katia Diadema 1, 2 & Frédéric Médail 1<br />

1<br />

Institut Méditerranéen d’Ecologie et de Paléoécologie (IMEP, UMR CNRS 6116)<br />

Université Paul Cézanne Aix-Marseille III, Europôle méditerranéen de l’Arbois, B.P.<br />

80, F-13545 Aix-en-Provence cedex 04, France<br />

katia.diadema@univ-cezanne.fr, f.medail@univ-cezanne.fr<br />

2 Conservatoire Botanique National Méditerranéen de Porquerolles, Castel Ste-Claire, rue<br />

Ste-Claire, F-83418 Hyères cedex, France<br />

With ca. 30,000 plants, the Mediterranean Basin constitutes one <strong>of</strong> the world's major<br />

hotspots for plant biodiversity. Within this region, Mediterranean mountains are<br />

particularly interesting due to their high plant diversity and endemism. Diverse<br />

palaeogeographical and historical and episodes, long term human influence and<br />

current geographical and climatic contrasts play a key role in the biogeographical<br />

originality <strong>of</strong> these mountains. Recent phylogeographical studies have indeed<br />

underlined the contrasted role <strong>of</strong> South European mountains during the drastic<br />

climatic cycles <strong>of</strong> the Tertiary and Quaternary. They have both allowed the<br />

persistence or the differentiation <strong>of</strong> several local plant lineages, since mountain<br />

ranges have acted as barrier or refugia.<br />

We examine here the spatial congruence between the distribution <strong>of</strong> refugia and the<br />

location <strong>of</strong> endemic centres, both at the Mediterranean Basin scale and at a finer<br />

scale scale, the Maritime Alps. The objective is to estimate the putative importance <strong>of</strong><br />

Mediterranean mountains for the future <strong>of</strong> plant biodiversity, within the perspective <strong>of</strong><br />

global change.<br />

With a total <strong>of</strong> 33 mountainous refugia <strong>of</strong> the 52 identified in the Mediterranean<br />

Basin, the role played by Mediterranean mountains, including large mountainous<br />

islands, is confirmed both in the northern and the southern part <strong>of</strong> the region. We<br />

found also a strong biogeographical congruence between the identified refugia and<br />

the major biodiversity areas <strong>of</strong> the Mediterranean region: regional hotspots <strong>of</strong> plant<br />

biodiversity are mainly situated on mountains which <strong>of</strong>ten shared level <strong>of</strong> rangerestricted<br />

endemics > 10%. At a finer scale, comparisons between the distribution <strong>of</strong><br />

putative refugia and endemic centres <strong>of</strong> the Maritime Alps, exhibit similar spatial<br />

patterns.<br />

Therefore, Mediterranean mountains constitute significant areas for the local<br />

persistence <strong>of</strong> plants and a reservoir <strong>of</strong> unique genetic diversity favourable to the<br />

evolutionary processes <strong>of</strong> Mediterranean plant species. Thus, these mountains could<br />

play a crucial role in mitigating the putative extinction <strong>of</strong> species linked to climate<br />

change. Our results emphasize the critical importance <strong>of</strong> Mediterranean mountains<br />

for regional planning <strong>of</strong> conservation biogeography <strong>of</strong> this highly threatened<br />

ecoregion.<br />

81


P32<br />

The karyology <strong>of</strong> some high-mountain Euphrasia species<br />

Lenka Mártonfiová 1 & Vlastimil Mikoláš 2<br />

1 Botanical Garden, P. J. Šafárik University, Mánesova 23, SK-043 52 Košice,<br />

Slovakia, lenka.martonfiova@upjs.sk<br />

2 Hanojská 4, SK-04013 Košice, Slovakia, sorbusaria@azet.sk<br />

The genus Euphrasia consists <strong>of</strong> many microspecies in Europe. Rapid evolution <strong>of</strong><br />

the genus Euphrasia subg. Euphrasia is connected with pleistocene and<br />

development <strong>of</strong> many taxa growing in strict ecological conditions. In European alpine<br />

mountains probably autogamous small-flowered taxa evolved as a consequence <strong>of</strong><br />

insufficiency <strong>of</strong> insect pollinators in alpine environment. In Europe and Slovakia two<br />

ploidy levels developed: diploids and tetraploids. Many taxa <strong>of</strong> Euphrasia evolved<br />

probably after hybridization events in connection with climatic oscillations in<br />

pleistocene. High variability <strong>of</strong> tetraploids is probably connected with their hybrid<br />

polytopic origin. In Slovakia only few data are available on the karyology <strong>of</strong> Euphrasia<br />

species. Only E. tatrae Wettst. was studied carefully. This species is diploid one and<br />

it is one <strong>of</strong> 3 diploid species <strong>of</strong> the ser. Latifoliae Pugsley s. Juzepczuk 1955 in<br />

European mountains. Another taxa are represented by E. inopinnata Ehrend. et Vitek<br />

and E. sinuata Vitek et Ehrend. E. exaristata Smejkal was described from Western<br />

Tatra Mts. The morphological analyses and a new chromosomal count (2n = 22) are<br />

in agreement with the hypothesis on its hybrid origin. New counts for E.<strong>of</strong>ficinalis L.<br />

subsp. kerneri (Wettst.) Eb. Fisch. also confirm the hypothesis that E. exaristata<br />

evolved from hybrid <strong>of</strong> this taxon with E. tatrae. As a relatively small-flowered species<br />

E. exaristata evolved populations especially in areas located between E. tatrae and<br />

E.<strong>of</strong>ficinalis subsp. kerneri. As it was observed, incidental hybridization causes the<br />

occurrence <strong>of</strong> occasional back hybrids with both parental species. This phenomen<br />

need another research, especially with the use <strong>of</strong> molecular methods and also<br />

observation <strong>of</strong> insect behavior on flowers <strong>of</strong> Euphrasia species in selected localities.<br />

82


P 33<br />

Historical-geographical background <strong>of</strong> endemism <strong>of</strong> Aconitum in<br />

Central Europe<br />

Józef Mitka<br />

Jagiellonian University, Institute <strong>of</strong> Botany, Botanical Garden, Kopernika 27, 31-501<br />

Kraków, Poland; j.mitka@uj.edu.pl<br />

The Carpathian and Sudetic Mountains are important centers <strong>of</strong> endemism <strong>of</strong> the<br />

genus Aconitum in Central Europe. Among 25 taxa (species and subspecies)<br />

growing in this area 29% are the Western, 25% Eastern/Southern Carpathian, 17%<br />

Carpathian endemics and subendemics; 12% are <strong>of</strong> the Balkan-Alpine-Carpathian<br />

range type. The remaining 16% <strong>of</strong> taxa are the Sudetic-Hercynian and Carpathian-<br />

Sudetic elements (Mitka 2003). One <strong>of</strong> the mechanism <strong>of</strong> endemism is evolutionary<br />

migration or geographical vicarism. An example is A. degenii. It is a montane species<br />

occurring in two geographic centers, circumscribed in the rank <strong>of</strong> subspecies. Typical<br />

subsp. degenii occurs in the Southern/Eastern Carpathians, and subsp. paniculatum<br />

in the Alps and north-western part <strong>of</strong> the Balcans (Slovenia, Bosnia and<br />

Hercegovina). The other important mechanism contributing to high endemism <strong>of</strong><br />

Aconitum is secondary contact. A. firmum subsp. moravicum, the Western-<br />

Carpathian endemic, probably originated in effect <strong>of</strong> the Carpathian A. firmum and<br />

Sudetic A. plicatum hybridization. Both are high-mountain species. This putative<br />

hybrid might have originated in an area adjoing to the Moravian Gate during one <strong>of</strong><br />

the Quaternary pleniglacials when alpine vegetation descended to the foothills and<br />

came to the contact. The most intriguing among Aconitum in Central Europe is A.<br />

firmum subsp. maninese. It occurs only in two localities: in the Strážovské vrchy Mts<br />

in Slovakia and the Tatras. Rather unusual trait in the sectio Aconitum, i.e. glandular<br />

hair on indumentum, closes it to the Balcanic A. divergens (=A. pentheri) and<br />

endemic to the Maritime Alps A. burnatii. Further molecular DNA and cytogenetic<br />

studies are needed to circumscribe A. maninese in the proper taxonomic and<br />

evolutionary context.<br />

83


P 34<br />

Phylogeography and evolution <strong>of</strong> Gentiana verna s.l.<br />

(Gentianaceae)<br />

Karin Moosbrugger, Hans-Peter Comes & Andreas Tribsch<br />

AG Ecology and Diversity <strong>of</strong> <strong>Plant</strong>s, University <strong>of</strong> Salzburg, Hellbrunnerstraße 34,<br />

5020 Salzburg, Austria; Karin.Moosbrugger@sbg.ac.at<br />

The Spring Gentian (Gentiana verna) is a perennial herb frequently occurring in<br />

montane and alpine grasslands throughout the European mountain ranges.<br />

Geographically disjunct are populations located in Ireland, Scotland and in the<br />

Northern Ural region. From Turkey eastwards G. verna is replaced by Gentiana<br />

angulosa in the Caucausus and by Gentiana uniflora from the Tienshan over the Altai<br />

to the Baikal region.<br />

The present study aims to elucidate the evolutionary history and phylogeographical<br />

patterns <strong>of</strong> Gentiana verna by applying AFLP fingerprinting (Amplified fragment<br />

length polymorphism). Of special interest is the biogeographical origin <strong>of</strong> the isolated<br />

British and Ural populations and the degree <strong>of</strong> their genetic divergence from<br />

populations <strong>of</strong> the Central Europe. The sampling covers the entire distributional<br />

range <strong>of</strong> the species group (including Asian populations <strong>of</strong> G. angulosa and G.<br />

uniflora). A number <strong>of</strong> 380 samples originating from 54 populations are examined.<br />

As hybridization and introgression might blur phylogeographic patterns, further<br />

investigations are addressing potential gene flow between G. verna and the closely<br />

related and sympatrically distributed taxa G. brachyphylla and G. orbicularis. Being<br />

morphologically similar these species differ regarding their edaphic requirements.<br />

G. orbicularis requires calcareous substrate whereas G. brachyphylla is confined to<br />

siliceous soils.<br />

At three mixed stands within the Austrian Alps (Hohe Tauern, Stubaier Alpen) leaf<br />

material <strong>of</strong> 10 individuals per species was collected. First AFLP analyses proved the<br />

presence <strong>of</strong> hybrid individuals (G. verna x G. brachyphylla, G. verna x G. orbicularis)<br />

evidencing the potential <strong>of</strong> gene flow among these species.<br />

84


P 35<br />

Studies <strong>of</strong> seed morphological characters in 17 Iranian Euphorbia<br />

(Euphorbiaceae) species<br />

Mitra Noori 1 , Abdolkarim Chehregany 2 & Mahdi Kaveh 3<br />

1 University <strong>of</strong> Arak, Faculty <strong>of</strong> Science, Department <strong>of</strong> Biology, Arak, Iran<br />

2 Bu-Ali sina University, Department <strong>of</strong> Biology, Hamadan, Iran<br />

3 Islamic Azad University, Brojerd Unit, Biology Department, Brojerd, Iran<br />

Seed morphology is characters sets used to assess the relationships among Iranian<br />

species <strong>of</strong> the genus Euphorbia. Euphorbia is one <strong>of</strong> the largest genera in<br />

Euphorbiaceae with more than 2000 species in the world and about 100 species in<br />

Iran. Some macro and micro-morphological characters <strong>of</strong> seeds such as existing and<br />

durability <strong>of</strong> caroncule, seed size, shape, colour, chemical compounds and dorsal<br />

and ventral surface decoration seed have important role in seed dispersion and can<br />

be useful for taxonomists. 35 seed quantitative and qualitative characters <strong>of</strong> 17<br />

collected Euphorbia species from different part <strong>of</strong> Markazi Province (central <strong>of</strong> Iran)<br />

were studied. Voucher specimens <strong>of</strong> each sample were prepared for references as<br />

herbarium vouchers. The morphology <strong>of</strong> the seeds was studied using a zoom<br />

binocular light microscope and scanning electron microscopy. Photomicrographs<br />

were taken under different magnification. A number <strong>of</strong> macroscopic characters were<br />

also scored. The key summarized these data. Macro- and micro-morphological<br />

studies <strong>of</strong> the Iranian Euphorbia species seeds showed some characters may<br />

support the identification <strong>of</strong> the species and their varieties.<br />

85


P 36<br />

Morphological and karyological variation <strong>of</strong> the Cyanus triumfettii<br />

group (Asteraceae) in the Western Carpathians<br />

Katarína Olšavská 1,2 , Marián Perný 1,2 & Iva Hodálová 1<br />

1 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská cesta 14, SK-845 23<br />

Bratislava, Slovak Republic; katarina.olsavska@savba.sk, marian.perny@savba.sk &<br />

iva.hodalova@savba.sk<br />

2 Faculty <strong>of</strong> Natural Sciences, Matej Bel University, Tajovského 40, SK-974 01,<br />

Banská Bystrica, Slovak Republic<br />

The Cyanus triumfettii group is distributed from Syria across Europe to Morocco and,<br />

according to various taxonomic concepts, comprises from three to twelve species<br />

along with other infraspecific taxa recognized within them. Taxonomy <strong>of</strong> this group<br />

remains unsettled due to its pronounced morphological variation including<br />

morphologically intermediate populations and a considerable intra-population<br />

variability. Four taxa, classified as species, subspecies or varieties, are reported from<br />

the Western Carpathians: C. triumfettii subsp. axillaris, C. t. subsp. dominii, C. t.<br />

subsp. strictus and C. t. subsp. triumfettii. To identify the taxonomic position <strong>of</strong> the<br />

Western Carpathian populations from the C. triumfettii group, karyological and<br />

morphological variation <strong>of</strong> 47 populations from this area was studied. Analysed<br />

material was completed with populations from the type localities <strong>of</strong> all abovementioned<br />

subspecies.<br />

Chromosome counting and flow cytometric analyses confirmed diploid level for all<br />

analysed populations; however, some differences in nuclear DNA content were<br />

detected. Multivariate morphometric analyses revealed that C. triumfettii subsp.<br />

triumfettii does not occur in the Western Carpathians and showed complex<br />

morphological variation <strong>of</strong> C. triumfettii subsp. axillaris, C. t. subsp. dominii and C. t.<br />

subsp. strictus in this region. Additional data will be gathered to classify various<br />

morphotypes within the C. triumfettii group distinguished by presented morphometric<br />

analyses; therefore a need for further taxonomic study is emphasized.<br />

86


P 37<br />

Morphological traits in Dianthus gelidus from the Romanian<br />

Carpathians – comparison with D. glacialis from the Tatry<br />

Mountains<br />

Marilena Onete 1 , Virgil Iordache 2 , Rodica Blându 1 , Anca Păunescu 1<br />

1 Institute <strong>of</strong> Biology, Romanian Academy, Spl. Independentei 296, 060031, Sector 6,<br />

Bucharest, Romania; m_onete@yahoo.com<br />

2 Department <strong>of</strong> Systems Ecology, University <strong>of</strong> Bucharest, Spl Independentei 91-95<br />

050089, Sector 5, Bucharest, Romania; virgil.iordache@g.unibuc.ro<br />

Analyzing literature and herbaria focused on distribution and taxonomy <strong>of</strong> Dianthus<br />

gelidus and D. glacialis in the Carpathians, we have found uncertainties regarding<br />

distributional and taxonomical data. Following field sampling, we realized<br />

morphological measurement on D. glacialis from the Tatry Mountains (Poland and<br />

Slovakia), D. gelidus from the Bucegi Massif and D. callizonus from the Piatra<br />

Craiului Massif as already known taxa. Differential characters (quantitative and<br />

qualitative) among species were analysed using ANOVA. The statistical analysis<br />

show that there are high meaningful differences between the Tatry and Bucegi<br />

regarding length and width <strong>of</strong> calyx, internal and external epicalyx-scales, length and<br />

width <strong>of</strong> seeds, derma <strong>of</strong> leaves, etc. There is also high geographical difference <strong>of</strong><br />

the three species, which imply that the taxon which lives in the Bucegi is different<br />

from the taxon living in the Tatry and both from taxon living in the Piatra Craiului.<br />

Stems length, internodes’ number, leaves length and width; all depend on the<br />

integrative plant associations and altitude.<br />

The morphological measurements <strong>of</strong> Bucegi and Tatry taxa, reveals that not all the<br />

studied parameters overlap (as is stipulated in the literature), demonstrating high<br />

differences between D. glacialis and D. gelidus belonging to populations from the<br />

Tatry and Bucegi, which imply that in the Tatry and Bucegi there are two separated<br />

species, at least in studied populations.<br />

87


P 38<br />

Evolutionary relations <strong>of</strong> Linum species in the flora <strong>of</strong> Ukraine<br />

Olga Optasyuk<br />

M.G. Kholodny Institute <strong>of</strong> Botany National Academy <strong>of</strong> Sciences <strong>of</strong> Ukraine,<br />

2 Tereshchenkivska St., Kyiv, Ukraine; linum@ukr.net<br />

Genus Linum L. <strong>of</strong> the flora <strong>of</strong> Ukraine amounts 23 species which belong to 8<br />

sections (Optasyuk, 2007). Pecularities <strong>of</strong> historical development <strong>of</strong> the genus<br />

Linum, evolutional and phylogenetic relations and ways <strong>of</strong> speciation are discussed,<br />

based on the original results biomorphological, macro- and micromorphological<br />

research, the geographical and ecological-coenotic analysis, summary <strong>of</strong> molecular<br />

and cytogenetic data. Ancestral form <strong>of</strong> Protolinum is at the base <strong>of</strong> evolutional<br />

scheme <strong>of</strong> Linum, closely related with sections <strong>of</strong> Adenolinum, Linum and Syllinum.<br />

Monotypic section Cathartolinum is the evolutionally youngest section. Sections<br />

Linopsis, Dichrolinum, Tubilinum and Dasylinum occupy intermediate isolated<br />

position. Specialization within the genus occurred in different ways: polyploidy played<br />

a significant role in the evolution <strong>of</strong> groups with different chromosome numbers, and<br />

species isolation within groups occured due to chromosomes reconstruction. In the<br />

genus 3 parallel evolutional branches are clearly оbserved: blue-flowered, yellowflowered<br />

and white-flowered. Section Adenolinum (n=9) is basal for blue-flowered<br />

linums (sect. Adenolinum, Linum, Dasylinum, Dichrolinum). Further evolution <strong>of</strong> the<br />

section goes in two directions: evolution <strong>of</strong> homostyled forms (subsect. Linum) from<br />

heterostyled (sect. Adenolinum or subsect. Nervosa) and doubling <strong>of</strong> chromosomes<br />

number. Further evolutional changes in the genus probably come through polyploidy<br />

and aneuploidy. Section Syllinum is basal for yellow-flowered linums (sect. Syllinum,<br />

Linopsis, Tubilinum). Evolutional processes within this group went in two directions:<br />

formation <strong>of</strong> Suffruticulae branch (edaphic specialized suffruticulus) and Flava<br />

branch (herbaceous policarpics). Polyploidy in L. flavum indicates intensive<br />

speciation processes within the series, confirmed by the hybridizations between<br />

some species <strong>of</strong> series Suffruticulae. In general, our results correlate with molecular<br />

data (McDill, 2004, 2005).<br />

88


P 39<br />

Origin and evolution <strong>of</strong> agamospermic Potentilla species<br />

(Rosaceae) in Central Europe<br />

Juraj Paule 1 & Christoph Dobeš 2<br />

1 University <strong>of</strong> Heidelberg, Heidelberg Institute <strong>of</strong> <strong>Plant</strong> Science, Department <strong>of</strong> <strong>Plant</strong><br />

Systematics and Biodiversity, Im Neuenheimer Feld 345, D-69120 Heidelberg,<br />

Germany; jpaule@hip.uni-heidelberg.de<br />

2 Department <strong>of</strong> Pharmacognosy, University <strong>of</strong> Vienna, Althanstrasse 14, A-1090<br />

Wien, Austria; christoph.dobes@univie.ac.at<br />

The aggregates <strong>of</strong> Potentilla verna and P. argentea are both agamospermic species<br />

complexes <strong>of</strong> overlapping geographic distribution, which integrate into each other by<br />

extensive hybridisation. Hybrid populations are found in a multitude <strong>of</strong> isolated places<br />

throughout Europe and are currently treated as species within the Potentilla collina<br />

agg (Collinae sensu Th. Wolf). Chloroplast DNA sequence polymorphisms within the<br />

putative paternal aggregates but also within other related taxa were analysed in order<br />

to identify those parental evolutionary lineages which gave rise to P. collina forms. In<br />

a first phase <strong>of</strong> the project, we have focused on the origin <strong>of</strong> Potentilla alpicola De la<br />

Soie, a member <strong>of</strong> the Collinae, in Southern Tyrol and adjacent areas. In this study<br />

on hybrid speciation we assessed the question whether P. alpicola populations are <strong>of</strong><br />

single or multiple origin and whether they have been established by a uniform<br />

evolutionary process or if a more complex scenario <strong>of</strong> evolution applies. For that<br />

purpose cpDNA, morphological and cytological data were combined.<br />

89


P 40<br />

Karyological variation <strong>of</strong> the Phleum pratense group (Poaceae) in<br />

Europe<br />

Marián Perný 1,2 , Lenka Mártonfiová 3 & Pavol Mártonfi 4<br />

1 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská cesta 14, SK-845 23<br />

Bratislava, Slovak Republic; marian.perny@savba.sk<br />

2 Faculty <strong>of</strong> Natural Sciences, Matej Bel University, Tajovského 40, SK-974 01,<br />

Banská Bystrica, Slovak Republic<br />

3 Botanical Garden &<br />

4 Faculty <strong>of</strong> Science, Institute <strong>of</strong> Biology and Ecology,<br />

Department <strong>of</strong> Botany, P. J. Šafárik University, Mánesova 23, SK-041 54 Košice,<br />

Slovak Republic; lenka.martonfiova@upjs.sk & pavol.martonfi@upjs.sk<br />

Flow cytometric analyses and chromosome counting revealed complex karyological<br />

variation within the Phleum pratense group in Europe. Analyses <strong>of</strong> 157 natural<br />

populations from the Apennine Peninsula, Alps, Carpathians with adjacent part <strong>of</strong><br />

Pannonia, and Scandinavia detected four ploidy levels within the group. Hexaploid<br />

cytotype (2n = 6x = 42) is the most common, occurring in 152 populations. It <strong>of</strong>ten cooccurs<br />

with diploids (2n = 2x = 14) in the Carpathians, Pannonia and Sweden.<br />

Detailed sampling in the Carpathians showed that most mixed populations occur in<br />

the Western Carpathians (26), while in the Eastern Carpathians mixed populations<br />

are much rarer, with three populations in Ukraine and one in Romania. In the<br />

Southern Carpathians, only hexaploids were found. Rare triploid plant (2n = 3x = 21)<br />

was found in a mixed population with hexaploids and diploids in Switzerland.<br />

Occurrence <strong>of</strong> tetraploid P. pratense (2n = 4x = 28) was confirmed on three localities<br />

in the Apennine Peninsula. Conventional taxonomic concept <strong>of</strong> the two species,<br />

diploid P. bertolonii and hexaploid P. pratense, is followed in spite <strong>of</strong> their sympatric<br />

occurrence. Triploids and tetraploids are provisionally classified as P. pratense.<br />

Distribution maps based on chromosome number data from previous studies and on<br />

ploidy level estimates are presented. The pattern <strong>of</strong> distribution <strong>of</strong> the cytotypes and<br />

taxa in Europe is discussed.<br />

90


P 41<br />

Modeling reticulate evolution<br />

Anna Petri 1 , Martin Lott 2 , Vincent Moulton 2 , Katharina Huber 2 , Bengt Oxelman 1<br />

1 Dept. <strong>of</strong> <strong>Plant</strong> and Environmental Sciences, Göteborg University, Göteborg,<br />

Sweden; anna.petri@dpes.gu.se<br />

2 School <strong>of</strong> Computing Sciences, University <strong>of</strong> East Anglia, Norwich, United Kingdom<br />

Allopolyploidy is a well known speciation mechanism in plants, but up until now there<br />

has been no formal way to visualize the formation <strong>of</strong> these. We are developing a<br />

method in which a number <strong>of</strong> multilabelled single-gene phylogenies are transformed<br />

into a single multilabelled genome tree, which is subsequently transformed into a<br />

species network. It works by a greedy consensus algorithm so that it can deal with<br />

missing data and unresolved trees, and it discriminates single-gene duplications from<br />

whole-genome duplications. The resulting network aids in formulating an hypothesis<br />

concerning the evolutionary relationships <strong>of</strong> hybrids and their parental taxa. We have<br />

implemented our new method within the open-source PADRE s<strong>of</strong>tware tool, a new<br />

version <strong>of</strong> which will be released in the near future.<br />

91


P 42<br />

Chromosome studies on the Poaceae <strong>of</strong> Russia: present and future<br />

Nina S. Probatova<br />

Institute <strong>of</strong> Biology & Soil Science, Far East Branch <strong>of</strong> the Russian Academy <strong>of</strong><br />

Sciences, 159 Stoletia Prospect, 690022, Vladivostok, Russia;<br />

probatova@ibss.dvo.ru<br />

Chromosome number (CN) is particularly important for the taxonomy <strong>of</strong> Poaceae.<br />

The CNs <strong>of</strong> Poaceae are the most studied not only in Russia but also in the world.<br />

They have been the subject <strong>of</strong> our study since 1968, in collaboration with an<br />

outstanding Russian caryo-geographer, A.P. Sokolovskaya, and these studies<br />

continue to the present day. We focused on the caryosystematics and the evolution<br />

<strong>of</strong> the largest Poaceae genus Poa, as well as Glyceria, Agrostis, in the Russian Far<br />

East, and some <strong>of</strong> the Poaceae groups in the flora <strong>of</strong> the former USSR including:<br />

Calamagrostis, Alopecurus, Milium, Holcus, Colpodium s. ampl., Trisetum, Koeleria,<br />

Festuca, Arctopoa, etc. In total, our studies on CN involve representatives from more<br />

than 130 Poaceae genera. During our work, we have produced the first data on the<br />

CN <strong>of</strong> a unique endemic grass genus in Russia – Limnas, discovered the second<br />

known species with the minimal CN <strong>of</strong> 2n = 4 – Colpodium versicolor (in Caucasus),<br />

revealed the minimal CNs for Catabrosa, Catabrosella (2n = 10), Trisetum (2n = 12),<br />

and discovered the highest CN – in Milium (2n = 42). A rare occurrence for a<br />

Poaceae species, polybasic status within one species, was confirmed in Milium<br />

vernale s.l. (2n = 8, 10, 14, 18 (x = 4, 5, 7, 9). Additionally, the main trends <strong>of</strong> CN<br />

evolution within two large groups – Aveneae and Poeae -- were delineated. Our<br />

research group is currently working on a project entitled “Chromosome numbers <strong>of</strong><br />

Poaceae in Russia and adjacent territories: diversity, caryotaxonomy,<br />

phytogeography, evolution”, with the aim <strong>of</strong> making a complete listing <strong>of</strong> Poaceae CN<br />

and analyzing the accumulated data obtained from 40 years <strong>of</strong> study. As a part <strong>of</strong><br />

this study, a list <strong>of</strong> CNs in Poaceae from the Russian Far East is published. This work<br />

is financed by the Russian Fund for Basic Research (RFBR), project 07-04-00610<br />

92


P 43<br />

Biosystematic study on Oxytropis sect. Mesogaea in Iran<br />

Massoud Ranjbar, Soheila Bayat & Roya Karamian<br />

Department <strong>of</strong> Biology, Faculty <strong>of</strong> Science, Bu-Ali Sina University, P.O.Box<br />

65175/4161, Hamedan, Iran; ranjbar@basu.ac.ir<br />

Oxytropis DC. is a genus belonging to the tribe Astragaleae <strong>of</strong> Papilionoideae in the<br />

Fabaceae, comprises about 300 species occurring in cold mountainous regions <strong>of</strong><br />

Europe, Asia, and North America, and is most numerous in Central Asia. Oxytropis<br />

sect. Mesogaea one <strong>of</strong> the richest in species within the subgenus Oxytropis, includes<br />

19 species within Flora Iranica. It is one <strong>of</strong> the difficult sections with respect to<br />

taxonomy, and probably by having <strong>of</strong>ten blue flower, basfixed hairs has given rise to<br />

the sections belong to Astragalus subgen. Hypoglottis. In this research, the main<br />

focus was on systematic investigation using morphometry, pollen micromorphology<br />

and seed morphology. Morphometric study on the species was carried out using<br />

more than 50 qualitative and quantitative characters. Pollen morpholgy was carried<br />

out by light microscopy after acetolysis procedure. For each taxon, 25 pollen grains<br />

were measured for polar and equatorial diameters, thickness <strong>of</strong> the wall at the poles<br />

and equator, length and width <strong>of</strong> colpus, mesocolpium, apocolpium and shape index.<br />

All <strong>of</strong> data were analysed by MVSP s<strong>of</strong>tware and the relationships between species<br />

were studied. Also seed morphology <strong>of</strong> the species was studied by scanning electron<br />

microscopy. Based on qualitative characters <strong>of</strong> seed shape and testa ornamentation,<br />

three types are recognized.<br />

93


P 44<br />

Phylogeny <strong>of</strong> the genus Lasiocephalus (Asteraceae) – colonization<br />

<strong>of</strong> the equatorial páramo<br />

Eva Rejzková 1 , Tomáš Fér 1 , Petr Sklenář 1 , Jan Suda 1,2 , Karol Marhold 1,3<br />

1 Department <strong>of</strong> Botany, Charles University, Benátská 2, CZ-128 01 Praha, Czech<br />

Republic; jezanek@centrum.cz, tomas.fer@centrum.cz, petr@natur.cuni.cz,<br />

suda@natur.cuni.cz<br />

2 Institute <strong>of</strong> Botany,Academy <strong>of</strong> Sciences <strong>of</strong> the Czech Republic, Průhonice 1,<br />

CZ-252 43 Praha, Czech Republic<br />

3 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská cesta 14, SK-845 23<br />

Bratislava, Slovak Republic; karol.marhold@savba.sk<br />

The neotropical genus Lasiocephalus Willd. ex Schltdl. (Asteraceae) consists <strong>of</strong><br />

approx. 30 species inhabiting a range <strong>of</strong> vegetation types, from montane forests to<br />

the high páramo, in the Andes (from Venezuela to Bolivia). Two main growth forms<br />

can be recognized in the genus, i. e., the broad-leaved suffrutescent climbers <strong>of</strong><br />

montane forests and the narrow-leaved ascending subshrubs <strong>of</strong> the páramo. These<br />

growth forms plausibly reflect an adaptive variation during the colonization <strong>of</strong> the<br />

páramo habitats. Our study aims at: (i) the inference <strong>of</strong> the evolutionary history <strong>of</strong> the<br />

genus, (ii) the assessment <strong>of</strong> relationships among the species, (iii) the reconstruction<br />

<strong>of</strong> the mode <strong>of</strong> colonization <strong>of</strong> the páramo habitats, and (iv) the interpretation <strong>of</strong> the<br />

ecological traits and geographical distribution <strong>of</strong> the species in the context <strong>of</strong> climatic<br />

chances during the Pleistocene. To elucidate these tasks, we employ molecular<br />

approaches (i.e., sequencing <strong>of</strong> chloroplast and nuclear DNA markers and AFLP)<br />

and DNA flow cytometry.<br />

Preliminary results based on the analyses <strong>of</strong> eight species collected in Ecuador and<br />

Venezuela showed only minor interspecific differences in three chloroplast<br />

non-coding DNA regions. ITS region provided more variable characters, suggesting a<br />

higher value <strong>of</strong> this marker for resolving phylogenetic relationships. Genome<br />

duplication may play an important role in the evolution <strong>of</strong> the genus as indicated by<br />

flow cytometric data. Ploidy heterogeneity (diploid and triploid cytotypes) was found<br />

in two species (L. ovatus and L. lingulatus). While most species showed a stability in<br />

nuclear DNA content, two different genome size variants were revealed in L. patens<br />

from Ecuador.<br />

94


P 45<br />

Phytogeographical relationships <strong>of</strong> Mediterranean mountains<br />

Ian Richardson<br />

Department <strong>of</strong> Botany, University <strong>of</strong> Reading, UK.<br />

A chorological analysis <strong>of</strong> montane species, reflecting geomorphological and<br />

climatological history, as well as suggesting areas, both geographical and taxonomic,<br />

where biosystematic studies might be rewarding.<br />

95


P 46<br />

Impact <strong>of</strong> exotic species in native mountain communities <strong>of</strong> Cape<br />

Verde Islands (Macaronesian region)<br />

Maria Romeiras 1,2 , Violante Medeiros 2 , Cláudia Fernandes 1 & Cristina Duarte 1<br />

1 Instituto de Investigação Científica Tropical, Travessa Conde da Ribeira 9, 1300-142<br />

Lisboa, Portugal; 2 Instituto de Ciência Aplicada e Tecnologia, FCUL, Campo Grande,<br />

1749-016 Lisboa, Portugal; mariaromeiras@net.sapo.pt,<br />

violante_medeiros@yahoo.com, claudiaf_cv@hotmail.com & mcduarte@iict.pt<br />

Exotic species, introduced deliberately or accidentally by man, are one <strong>of</strong> the main<br />

threats to the preservation <strong>of</strong> the islands' biodiversity. In Cape Verde Islands<br />

(Macaronesian Region: North-eastern Atlantic Ocean) the situation has deteriorated<br />

rapidly in the past few years and the ecological degradation <strong>of</strong> mountain regions,<br />

where most <strong>of</strong> the endemic species occur, is <strong>of</strong> special concern. Research is needed<br />

to understand their ecology and impacts, and develop and test methods to control the<br />

invasive plants. To address this predominant problem, the overall strategy may<br />

comprise two components: (1) dealing with exotic species already present in the<br />

islands, and (2) prevention <strong>of</strong> further plant introductions. For this purpose, a<br />

taxonomical review <strong>of</strong> naturalized nonindigenous species is performed. For the Cape<br />

Verde mountain islands (Santo Antão, São Vicente, São Nicolau, Santiago, Fogo and<br />

Brava Islands) provisional numbers suggest that, from a total <strong>of</strong> 93 angiosperm<br />

families, 66 have exotic representatives, namely: 58 Dicotyledons (306 species) and<br />

8 Monocotyledons (83 species). The largest families, with more than 15 exotic<br />

species, are Asteraceae, Leguminosae, Solanaceae, Euphorbiaceae,<br />

Amaranthaceae and Poaceae. The genera contributing with more than 5 exotic taxa<br />

are Amaranthus, Ipomoea, Solanum, Chamaesyce, Indig<strong>of</strong>era (Dicotyledons) and<br />

Cyperus, Bromus, Eragrostis, Digitaria (Monocotyledons). Lantana camara and<br />

Furcraea foetida are amongst the strongest present day invaders <strong>of</strong> some mountain<br />

Cape Verde habitats. The results will contribute to a first insight <strong>of</strong> the invasion<br />

phenomena in native mountain communities <strong>of</strong> Cape Verde Islands and aim to<br />

contribute to conservation management plans.<br />

96


P 47<br />

Systematics <strong>of</strong> Lachemilla (Rosaceae) in the High Andes<br />

Katya Romoleroux<br />

Pontificia Universidad Católica del Ecuador, Escuela de Ciencias Biológicas,<br />

Herbario QCA, 12 de Octubre y Roca, 172184, Quito, Ecuador;<br />

kromoleroux@puce.edu.ec<br />

Lachemilla (Rosaceae) is a group <strong>of</strong> approximately 80 morphologically variable herbs<br />

and shrubs. They are distributed between 2200 and 5000 m altitude, in the western<br />

mountains <strong>of</strong> the Neotropics from Southern Mexico to Northern Chile and Argentina,<br />

and one species is found in the Dominican Republic. About 60% <strong>of</strong> species are found<br />

in the Northern Andes <strong>of</strong> South America from Venezuela to Bolivia, above 3000 m,<br />

which suggests that the elevation <strong>of</strong> the Andes was important for the evolution and<br />

diversification <strong>of</strong> this taxa.<br />

In Ecuador, 25 species <strong>of</strong> Lachemilla have been recorded, four are endemics and<br />

one is a new species. These species are distributed between 3000 and 5000 m. Most<br />

<strong>of</strong> the species are found in páramos, especially in bunch grass páramo where 15<br />

species have been recorded. Other species occur in cushion and desert páramo, and<br />

some are confined to wet páramo; few species are growing in forested regions. Some<br />

<strong>of</strong> the species considered more primitive occur mainly in desert páramo, while the<br />

most specialized species are usually found in wet páramo and swamps.<br />

Lachemilla has traditionally subdivided into 6 sections or series based on their growth<br />

form, leaf characteristics and inflorescence structure. Together with other botanists<br />

we have begin molecular studies based on the analysis <strong>of</strong> chloroplast and nuclear<br />

regions to test the traditional classifications and subdivisions. The preliminary results<br />

we have obtained partly coincide with the morphological data and proposed<br />

subdivisions.<br />

Lachemilla was first described as a section <strong>of</strong> Alchemilla, later it was considered as a<br />

different genus based mainly on the geographical distribution <strong>of</strong> the genera, and the<br />

number and position <strong>of</strong> stamens. Nevertheless, our first molecular phylogenetic<br />

studies including species <strong>of</strong> Lachemilla, Alchemilla and Aphanes suggest that these<br />

three taxa are very close and could be treated as one genus in the future.<br />

97


P 48<br />

Reconstructing the history <strong>of</strong> Campanulaceae s. str. with a<br />

Bayesian approach to molecular dating and dispersal-vicariance<br />

analysis<br />

Cristina Roquet 1 , Isabel Sanmartín ,2 , Niklas Wikström ,3 , Llorenç Sáez ,4 , Núria<br />

García-Jacas ,1 , Juan José Aldasoro. 2<br />

1 Institut Botànic de Barcelona (CSIC-ICUB), Passeig del migdia s/n, E-08038<br />

Barcelona, Spain; cristina.roquet@gmail.com; 2 Real Jardín Botánico de Madrid,<br />

Plaza de Murillo 2, E-28014 Madrid, Spain; 3 Evolutionsbiologiskt centrum, University<br />

<strong>of</strong> Uppsala, Norbyvägen 18D, SE-752 36 Uppsala, Sweden; & 4 Unitat de Botànica,<br />

Facultat de Ciències, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Spain.<br />

Recent phylogenetic studies have shown that Campanula is not monophyletic, and<br />

that many satellite genera are nested within it. In this study, we attempted to<br />

reconstruct the past in terms <strong>of</strong> ancestral areas and divergence episodes <strong>of</strong> these<br />

genera, in order to increase the understanding <strong>of</strong> the evolution <strong>of</strong> this group <strong>of</strong> plants.<br />

We explored the spatial and temporal evolution <strong>of</strong> the Campanulaceae s. str., and <strong>of</strong><br />

the Campanula alliance in particular, by applying a Bayesian approach to molecular<br />

dating and dispersal-vicariance analysis that takes into account phylogenetic<br />

uncertainty. To better resolve relationships among major groups (Wahlenbergieae-<br />

Campanuleae) with respect to Campanula, we have sequenced the rbcL-conserved<br />

region including taxa <strong>of</strong> some major lineages within Platycodoneae and<br />

Wahlenbergieae. Dating and biogeographic analyses were applied to the new rbcL<br />

data and to the trnL-F data obtained in a previous study. The results obtained<br />

suggest that Western Asia and Eastern Mediterranean seem to have played an<br />

important role as centers <strong>of</strong> migration and diversification <strong>of</strong> the Campanula core. The<br />

biogeographical history <strong>of</strong> this genus seems to be highly complex. Rates <strong>of</strong> species<br />

diversification <strong>of</strong> Campanula seem to have increased during the Messinian period.<br />

Strong selective pressures from the climate changes and the expansion <strong>of</strong><br />

mountainous regions during this period are suggested to explain the fact that many<br />

species <strong>of</strong> Campanula are adapted to drought, cold or disturbed environments.<br />

98


P 49<br />

Genetic variation in natural populations <strong>of</strong> Arabidopsis halleri<br />

(Brassicaceae) in Carpathians, Sudetes and upland regions <strong>of</strong><br />

southern Poland<br />

Paweł Wąsowicz 1 , Alicja Kostecka 2,3 , Pierre Saumitou-Laprade 3 , Krystyna<br />

Grodzińska 2 & Adam Rostański 1<br />

1 Department <strong>of</strong> <strong>Plant</strong> Systematics, Faculty <strong>of</strong> Biology and Evironmental Protection,<br />

University <strong>of</strong> Silesia, Jagiellońska 28, 40-032 Katowice, Poland,<br />

pawasowicz@gmail.com; 2 Department <strong>of</strong> <strong>Plant</strong> Ecology, W. Szafer Institute <strong>of</strong><br />

Botany, Polish Academy <strong>of</strong> Sciences, Lubicz 46, 31-512 Kraków, Poland;<br />

3 Laboratoire de Génétique et Evolution des Populationes Végétales, UMR CNRS<br />

8016, Université des Sciences et Technologies de Lille, Bâtiment SN2, F-59655<br />

Villeneuve d’Ascq Cedex, France<br />

Arabidopsis halleri is a central European, mountain species from Brassicaceae<br />

family. It possesses interesting and rare abilities to grow in environment highly<br />

polluted with heavy metals. As A. halleri is closely related to A. thaliana it is<br />

considered as emerging model species in research on tolerance and accumulation <strong>of</strong><br />

heavy metals in higher plants. In southern regions <strong>of</strong> Poland A. halleri occurs in wide<br />

variety <strong>of</strong> habitats from mountain meadows and rocky slopes in the Tatra Mts. and<br />

Sudetes to highly polluted areas surrounding smelters and mines in Silesia. The area<br />

is particularly important in terms <strong>of</strong> research activities as here metallicolous (M) and<br />

non-metallicolous (NM) populations <strong>of</strong> A. halleri occur within relatively short<br />

distances. We undertook research on genetic variation in natural populations <strong>of</strong> A.<br />

halleri from this interesting area in order to understand more accurately general<br />

pattern <strong>of</strong> genetic variation observed in other parts <strong>of</strong> Europe. Research was carried<br />

out on 24 populations located in the Tatra Mts., Sudetes as well as in upland regions<br />

<strong>of</strong> southern Poland. To accomplish our research we employed chloroplast DNA<br />

(cpDNA) PCR-RFLP analysis (Restriction Fragment Length Polymorphism) and<br />

SNaPshot (Single Nucleotide Primer Extension Assay). Due to nonrecombinating<br />

nature <strong>of</strong> cpDNA genome, alleles observed in all analysed loci were combined into<br />

chlorotypes and analysed. Data obtained form our research allowed us to determine<br />

genetic structure <strong>of</strong> investigated populations and to establish the pattern <strong>of</strong><br />

geographic distribution <strong>of</strong> chlorotypes throughout the investigated area. We proposed<br />

hypotheses about migration routes and evolution <strong>of</strong> A.halleri on investigated area.<br />

99


P 50<br />

Essential oil studies <strong>of</strong> Artemisia species in Azarbaijan-e-Gharbi,<br />

Iran<br />

Kazem Saedi 1 and Adel Jalili 2<br />

1 Scientific board member in Agriculture and Natural Resources Research Center <strong>of</strong><br />

Kurdistan; kazemsaedi@yahoo.com<br />

2 Scientific board member <strong>of</strong> Research Institute <strong>of</strong> Forests and Rangelands<br />

Considering Artemisia-Astragalus as the largest community in Iran, currently, basic<br />

studies are conducting on Artemisia spp. properties. Ecological-systematical aspects<br />

<strong>of</strong> essential oil studies <strong>of</strong> eight populations (six species) <strong>of</strong> the genus were dealt with<br />

in Azarbaijan-e-Gharbi. In this study, generative browses containing flowers <strong>of</strong><br />

different species/populations were gathered in the same phonological stage. After<br />

preparing dry matter <strong>of</strong> the browses in open air, water distillation applied for obtaining<br />

essential oils used for investigating constituents by GC and GC/MS. To conduct a<br />

comparison between different studied taxa, a cluster analysis was used in Minitab<br />

11.12. The results showed that there were two different chemotypes <strong>of</strong> A. fragrans<br />

and the oil was free <strong>of</strong> common detected toxic components in A. absinthium.<br />

Resulted cluster proved the inefficiency <strong>of</strong> chemical data in systematical categorizing<br />

<strong>of</strong> different taxa even in subgenus level.<br />

100


P 51<br />

Flora investigation <strong>of</strong> Ulubey (Turkey-Uşak) Canyons<br />

Mehtap Şahin<br />

Department <strong>of</strong> Science Education, Education Faculty, Uşak University, 1 Eylul<br />

Campus, Uşak, Turkey Republic; mehtap.sahin.64@gmail.com.<br />

Our field <strong>of</strong> search located on south and south east part <strong>of</strong> Uşak province is formed<br />

because <strong>of</strong> its geological features. The canyons are structurally formed from The<br />

Dokuzsele River and Banaz Stream which located on east <strong>of</strong> Uşak-Karahallı<br />

motorway, 800-900 metres above sea level. The canyons are 100-500 metres in<br />

width, 135-170 meters in dept and 75 kilometers in length. The structures <strong>of</strong> canyon<br />

system have been changing its form 4.5 million years as a result <strong>of</strong> chemical and<br />

mechanical corrosion <strong>of</strong> limestones. The soil in the canyons floor is alluvium soil with<br />

these specifications it is the second biggest in the world. 823 plant taxa belonging to<br />

70 families were collected from the area. The distribution <strong>of</strong> these plant taxa with<br />

respect to the floristic regions are as follows: 8% Irano-Turanian, 20% Mediterranean,<br />

10% Euro-Siberian, 20% widespread, 42% <strong>of</strong> these is unknown and 5% <strong>of</strong> this taxa is<br />

endemic for Turkey. Total endemic taxa are 13.2%.<br />

101


P 52<br />

Cloning <strong>of</strong> ITS (nrDNA) sequences unveils a complex reticulate<br />

pattern in the Iberian orophilous polyploid Jasione crispa<br />

(Campanulaceae)<br />

Miguel Serrano, 1 Roi Carbajal 1 , Santiago Ortiz 1 & Javier Fuertes-Aguilar 2<br />

1 Departamento de Botânica, Universidade de Santiago de Compostela, 15782,<br />

Compostela, Spain; serranov@usc.es<br />

2 Real Jardín Botánico de Madrid, CSIC, Pza. de Murillo, 2, 28014, Madrid, Spain<br />

Jasione crispa complex, distributed through Iberian and southern French ranges,<br />

exhibits a remarkable variation in its levels <strong>of</strong> ploidy (2x, 4x, 6x, 8x). The level <strong>of</strong><br />

ploidy increases with the altitude along the Iberian mountain ranges. Cloning <strong>of</strong> the<br />

ITS region from nr DNA evidenced geographical genetic differentiation among<br />

populations, undetected through direct sequencing, allowed the discrimination <strong>of</strong> coexisting<br />

ITS types within a single individual. All the detected ITS sequences from the<br />

70 analysed populations can be assigned to three lineages among those detected in<br />

a phylogenetic analysis <strong>of</strong> the genus, namely J. crispa, J.laevis and J. montana.<br />

Sequences detected in the few lowland J. crispa diploid populations exhibited the<br />

same ribotype than the sympatric diploid J. montana, which, despite its name, occurs<br />

in lowland or mid-altitude habitats from western and central Europe and northwestern<br />

Africa. Along the remaining J. crispa polyploid populations we frequently<br />

have found “laevis” and “montana” ITS types. The detection <strong>of</strong> “laevis” sequences,<br />

another mid-altitude and top mountain species, could be explained by introgression<br />

between tetraploids from both species or by allopolyploidization processes involving<br />

crispa and diploid or tetraploid forms <strong>of</strong> laevis. An intriguing result is the widespread<br />

occurrence <strong>of</strong> “montana” ITS sequences among the J. crispa orophilous polyploid<br />

populations. Several causes are discussed to account for such a presence: 1, the<br />

persistence <strong>of</strong> “montana” sequences through ancient introgression; 2, the<br />

permeability <strong>of</strong> “montana” types through the introgression with J. laevis, since several<br />

J. laevis also bear “montana ITS type”; or 3, a multiple allopolyploid origin for J.<br />

crispa, being J. montana one <strong>of</strong> its parents.<br />

102


P 53<br />

Notes on species <strong>of</strong> Papaver (Papaveraceae) in Iran<br />

Fariba Sharifnia & Sodeh Heydarian<br />

Department <strong>of</strong> Biology, Faculty <strong>of</strong> Sciences, Islamic Azad University, North Tehran<br />

Branch, P.O. Box: 19585-936. Tehran, Iran; fa_sharifnia@asia.com<br />

Papaver is the largest genus <strong>of</strong> the family Papaveraceae. According to Flora Iranica,<br />

there are 26 species in Iran <strong>of</strong> which 5 species are endemic. In this research,<br />

numerical taxonomy, anatomy and electronic microscopic research have been done.<br />

Referring to some herbaria, most <strong>of</strong> the specimens were observed and data were<br />

noted. The focus was on 77 quantity and quality characters <strong>of</strong> 75 samples from 14<br />

taxa in numerical taxonomy research. The 11 diagnosis characters <strong>of</strong> pollen grains<br />

and 6 diagnosis characters <strong>of</strong> seeds were studied, too. These data were subject to<br />

phenetical analysis carried out using SPSS, ver.15 s<strong>of</strong>tware The phenogram <strong>of</strong> these<br />

species was prepared and the factor analysis determined the source <strong>of</strong> changes<br />

between species. Besides, in present research, the different following organs such as<br />

pedicle, stem, basal petiole and cauline leaves were studied anatomically in the most<br />

possible replication. All seeds and pollen grains were photographed by Scanning<br />

Electronic Microscope (SEM). The following results have been obtained from this<br />

research: P. macrostomum and P. piptostigma are synonyms. P. gaubae was<br />

transferred to the variety level as P. glaucum var. gaubae. P. halophilum was<br />

transferred from species to variety level as P. macrostomum var. halophilum. P.<br />

fugax and P. armeniacum are synonyms. Distribution maps for all taxa were prepared<br />

together with the identification key for studied species.<br />

103


P 54<br />

Biosystematic study <strong>of</strong> the genus Bromus in Iran<br />

Masoud Sheidai, Fatemeh Fadaei, Maryam Nouroozei, Sara Saeidi<br />

Faculty <strong>of</strong> Biological Sciences, Shahid Beheshti University, Tehran, Iran.<br />

Bromus species are among important range grasses <strong>of</strong> Iran which have been placed<br />

in 6 sections according to Flora Iranica. Biosystematic study was performed on about<br />

80 populations <strong>of</strong> 17 Bromus species and varieties from 3 sections <strong>of</strong> Bromus L.,<br />

Genea Dum. and Pnigma Dum., using morphometric, cytogenetic, anatomic and<br />

seed protein characteristics. Intra and inter-specific morphological variations were<br />

studied by the use univariate and multivariate statistical methods. The species<br />

relationships were studied by clustering and ordination methods indicating<br />

distinctness <strong>of</strong> the species by grouping different populations <strong>of</strong> each species in a<br />

single cluster and also supporting in general the taxonomic treatment <strong>of</strong> the genus in<br />

Flora Iranica. The present study suggests the use <strong>of</strong> some ratio characters along with<br />

other quantitative and qualitative characters in taxonomy <strong>of</strong> the Bromus. Cytogenetic<br />

studies showed the occurrence <strong>of</strong> different ploidy level for some <strong>of</strong> the species and<br />

also the major role <strong>of</strong> change in chromosome number and the occurrence <strong>of</strong><br />

chromosomal structural changes (heterozygote translocations) in the evolution <strong>of</strong><br />

these genus Bromus. A significant difference in the frequency and distribution <strong>of</strong><br />

chiasmata among different populations and species indicated the occurrence <strong>of</strong> a<br />

major change in the genes controlling meiotic behavior <strong>of</strong> chromosomes during the<br />

species diversification. B-chromosomes occurred in many taxa which could<br />

significantly change the recombination index creating new genetic combinations in<br />

the next generation. Unreduced gametes were formed in most <strong>of</strong> the taxa studied<br />

through cytogenetic abnormalities including anaphase failure, desynapsis and<br />

cytomixis. Such unreduced gametes may have played a significant role in the<br />

adaptation and speciation <strong>of</strong> taxa studied. Anatomical and seed protein<br />

characteristics were also useful in the species delimitation in most <strong>of</strong> the species<br />

studied. Specific protein bands were identified for some <strong>of</strong> the species and also the<br />

bands present in all except one species which may be used in the species<br />

identification.<br />

104


P 55<br />

Polyploidization and adaptive radiation along water-usage gradient<br />

in the genus Cardamine<br />

Rie Shimizu-Inatsugi 1, 2 , Hiroshi Kudoh 2 & Kentaro Shimizu 1<br />

1 Institute <strong>of</strong> <strong>Plant</strong> Biology, University <strong>of</strong> Zurich, Zololikerstrasse 107,8008 Zurich,<br />

Switzerland; inatsugi@botinst.uzh.ch, kudoh@kobe-u.ac.jp, shimizu@botinst.uzh.ch<br />

& 2 Center for Ecological Research, Kyoto University, Hirano 2-509-3, Ohtsu, Shiga,<br />

520-2113 Japan<br />

It is known that more than half <strong>of</strong> plant species have experienced genome<br />

duplication (polyploidization) although the significance <strong>of</strong> genome duplication is still<br />

an open question. Susumu Ohno proposed that gene and genome duplication is a<br />

major motive force for evolution, since the additional gene copy can freely evolve. In<br />

contrast, Stebbins supposed that genome duplication retards adaptive evolution<br />

since the additional copy also can keep its original function. The aim <strong>of</strong> this study is<br />

to demonstrate the effect <strong>of</strong> polyploidization on adaptation through analyzing the<br />

adaptive radiation <strong>of</strong> an Arabidopsis relative, genus Cardamine, along water- usage<br />

gradient.<br />

Cardamine has more than two hundreds species, which includes both wet species<br />

and dry species. The diploid species live in either wet conditions or open habitats<br />

and the polyploid species live in intermediate and fluctuating habitats, where they<br />

experience both wet and dry condition. The phylogenetic analysis <strong>of</strong> CHS revealed<br />

that most polyploid species originated from the fusion <strong>of</strong> genomes from various<br />

combinations <strong>of</strong> both wet and open habitats. Moreover, the polyploidization between<br />

wet and dry species occurred at least 10 times from different parent pairs. These<br />

observations suggest that the rapid adaptive radiation <strong>of</strong> Cardamine is attributed to<br />

recurrent polyploidy.<br />

Consequently, Cardamine could be a good example to investigate the contribution <strong>of</strong><br />

polyploidy to an adaptive radiation. We speculate that a polyploid species can<br />

survive fluctuating habitat by exploiting the suitable gene set from either <strong>of</strong> its<br />

parental species according to the water environment. The close relationship to<br />

Arabidopsis (90%< in coding region) should allow the application <strong>of</strong> its genomic tools<br />

to Cardamine for further analysis.<br />

105


P 56<br />

Repeated range shifts <strong>of</strong> Potentilla fruticosa during glacial and<br />

interglacial periods on the Qinghai-Tibetan Plateau revealed by<br />

chloroplast DNA sequence variation<br />

Ayako Shimono<br />

National Institute for Environmental Studies, Environmental Biology Division, 16-2<br />

Onogawa, Tsukuba, Ibaraki, 305-8506, Japan<br />

The Qinghai-Tibetan plateau is one <strong>of</strong> the most extensive habitats for alpine plants in<br />

the world. The patterns <strong>of</strong> genetic variation in populations on the plateau can,<br />

therefore, provide us with the detailed demographic history <strong>of</strong> alpine plants. We<br />

analysed sequence variation and geographical distribution <strong>of</strong> the chloroplast matK<br />

region <strong>of</strong> Potentilla fruticosa L. (Rosaceae), a shrub currently present across the<br />

whole plateau. Sequence data were obtained from 522 individuals from 24<br />

populations, ranging from the high altitude interior to the relatively low altitude northeastern<br />

plateau. In the interior, the genetic diversity was high and contained<br />

ancestral haplotypes. In contrast, the populations in the north-eastern area had<br />

relatively low genetic diversity and recently derived haplotypes. The expansion time<br />

in the interior was estimated to be 17 times longer than that in the north-eastern<br />

region. These data suggest that the demographic history <strong>of</strong> P. fruticosa on the<br />

plateau involved population expansion during periods <strong>of</strong> climatic cooling, alternating<br />

with warmer periods when the population contracted to the interior region. The<br />

interior would have acted as a refugium and greatly contributed to the diversification<br />

<strong>of</strong> P. fruticosa. Our data also indicate that there have been two cycles <strong>of</strong> range<br />

shifting along with a recent dramatic expansion <strong>of</strong> P. fruticosa in response to climate<br />

fluctuation.<br />

106


P 57<br />

The alpine violet Viola lutea is ancestor <strong>of</strong> both metal-tolerant<br />

subspecies, Viola lutea ssp. westfalica and V. lutea ssp. calaminaria<br />

Aneta Słomka 1 , Maria Pilarska 1 , Monika Bożek 1 , Ulrich Hildebrandt 2 , Hermann<br />

Bothe 2 , Elżbieta Kuta 1<br />

1 Department <strong>of</strong> <strong>Plant</strong> Cytology and Embryology, Jagiellonian University, 52 Grodzka<br />

St., 31-044 Cracow, Poland; a.slomka@iphils.uj.edu.pl<br />

2 Institute <strong>of</strong> Botany, The University <strong>of</strong> Cologne, 15 Gyrh<strong>of</strong>strasse St., 50-<br />

923 Cologne, Germany<br />

The origin <strong>of</strong> metal-tolerant plants is still open to discussion. Controversies exist<br />

between paleo- and neoenemic opponents. Thus metalliferous species may either be<br />

remnants <strong>of</strong> widely distributed plants in glacial periods or may have been evolved in<br />

parallel, originating from their non-tolerant relatives thriving in neighborhood. The<br />

blue and the yellow zinc violets, previously named V. guestphalica Nauenburg and V.<br />

lutea ssp. calaminaria (Ging.), respectively, are some <strong>of</strong> the most endangered plant<br />

species in Central Europe. They have a very restricted distribution confined to sites<br />

with highly elevated concentrations <strong>of</strong> Zn and Pb in soil. Based on various<br />

nomenclature data, a close relationship <strong>of</strong> both zinc violets to Viola lutea was<br />

suggested. We used molecular markers (674 bp sequences <strong>of</strong> the ITS1-5.8S rDNA-<br />

ITS2 region <strong>of</strong> 6 closely related taxa), combined with several embryological<br />

characters to find ancestor(s) <strong>of</strong> the zinc violets. Molecular data unambiguously<br />

indicate that the yellow and the blue zinc violets are closely related to each other and<br />

also to V. lutea. Therefore we termed them V. lutea ssp. westfalica (blue zinc violet)<br />

and V. lutea ssp. calaminaria (yellow zinc violet). Embryological data indicate that the<br />

yellow zinc violet reproduces sexually forming viable pollen (95%) and sets seeds<br />

with typically organized embryos thereby following the sexual reproduction model <strong>of</strong><br />

its putative parental species V. lutea. Several disturbances affected sexual<br />

reproduction <strong>of</strong> the blue zinc violet, leading to the decrease <strong>of</strong> pollen and embryo<br />

viability (77% and 35%, respectively). Abnormalities could result from its hybrid<br />

origin, but the possibility that genetic drift may have led to an accumulation <strong>of</strong><br />

mutations in its small, local populations can not be excluded. In conclusion, both zinc<br />

violets may be remnants <strong>of</strong> previously widely distributed populations <strong>of</strong> V. lutea,<br />

having its main distribution in several disjunctive alpine regions <strong>of</strong> Europe.<br />

107


P 58<br />

Intraspecific genome size variation in Picris hieracioides<br />

(Compositae)<br />

Marek Slovák 1 , Petr Vít 2,3 , Tomáš Urfus 2,3 & Jan Suda 2,3<br />

1 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská cesta 14, SK-845 23<br />

Bratislava, Slovak Republic; marek.slovak@savba.sk<br />

2 Department <strong>of</strong> Botany, Charles University, Benátská 2, CZ-128 01 Praha 2, Czech<br />

Republic; suda@natur.cuni.cz, vit@natur.cuni.cz & tomas.urfus@seznam.cz<br />

3 Institute <strong>of</strong> Botany, Academy <strong>of</strong> Sciences <strong>of</strong> the Czech Republic, Zámek 1, CZ-252<br />

43 Průhonice, Czech Republic<br />

Due to its large phenotypic variation, Picris hieracioides (hawkweed oxtongue) ranks<br />

among taxonomically challenging groups <strong>of</strong> European flora. Previous attempts to<br />

elucidate the taxonomy <strong>of</strong> the species using conventional karyological approaches<br />

were in vain, since no variation in the number <strong>of</strong> chromosomes was observed. In this<br />

study, we therefore employed another cytogenetic character, genome size, in order<br />

to determine the level <strong>of</strong> variation in this marker, search for potential interpretations <strong>of</strong><br />

the size heterogeneity, and assess its value for taxonomic decision-making. One<br />

hundred and seventy nine plant accessions from 54 populations distributed across 10<br />

European countries were analyzed using propidium iodide flow cytometry. The<br />

species showed a remarkable variation in genome size, with diploid 2C-values<br />

(population means) ranging from 2.26 to 3.11 pg (a 1.37-fold variation). A new<br />

cytotype, DNA triploid, was found for the first time. The pattern <strong>of</strong> genome size<br />

variation was quite complex, nonetheless, showed certain associations with<br />

phenotypic differentiation and geographic distribution. Genome size provided some<br />

support for the two main morphotypes recognized previously (i.e., the ‘Lower altitude’<br />

type and the ‘Higher altitude’ type), which possessed significantly different nuclear<br />

DNA amounts. However, interpretation <strong>of</strong> the within-group variation is still a<br />

challenge. Generally, the genome size <strong>of</strong> both morphotypes increased significantly<br />

from SW to NE. A relation between the distribution <strong>of</strong> genome size variants and the<br />

palaeovegetation history was found. We suggest that the complex evolutionary<br />

history <strong>of</strong> P. hieracioides (e.g., the existence <strong>of</strong> several cryptic lineages with different<br />

levels <strong>of</strong> cross-interactions) is the most plausible explanation for the observed<br />

heterogeneity in genome size.<br />

108


P 59<br />

Variation <strong>of</strong> Pinus mugo in the Giant Mountains (Sudethians)<br />

Karolina Sobierajska 1 , Krystyna Boratyńska 1 , Katarzyna Marcysiak 2 , Andrzej<br />

Lewandowski 1 , Artur Dzialuk 2 , Adam Boratyński 1,2<br />

1 Institute <strong>of</strong> Dendrology Polish Academy <strong>of</strong> Sciences, Parkowa 5, 62-035 Kórnik,<br />

Poland; sobieraj83@o2.pl<br />

2 Kazimierz Wielki University, Ossolińskich 12, 80-064 Bydgoszcz, Poland<br />

The verification <strong>of</strong> native provenance <strong>of</strong> several populations <strong>of</strong> Pinus mugo in the<br />

Karkonosze National Park (Giant Mountains, Sudethians) was the aim <strong>of</strong> the present<br />

work. The seven populations were sampled, four on hardly accessible precipices <strong>of</strong><br />

glacial cirques as a natural and three on the plane, topical part <strong>of</strong> the mountains as<br />

potentially alien provenance. Three populations were sampled in various parts <strong>of</strong> the<br />

Alps as possible seed source <strong>of</strong> alien provenances and two populations in the Tatras,<br />

as a comparative material. The differences among all individuals within samples and<br />

among samples were verified on the basis <strong>of</strong> analyses <strong>of</strong> DNA using 10 chloroplast<br />

microsatellite loci (cpSSR), on the level <strong>of</strong> isoenzyme using 10 enzymatic systems,<br />

biometrically using morphological and anatomical characters <strong>of</strong> needles and<br />

morphological characters <strong>of</strong> cones. Results indicate the high level <strong>of</strong> genetic<br />

differences, both DNA and isoenzymatic, between the Giant, Alpine and Tatra<br />

populations. The same points out also the biometrical analyses, especially on the<br />

needle characters, but differences between provenances have lower level than in the<br />

genetic analyses. The differences among samples from the Giant Mountains were<br />

found as relatively low. This indicates, that contemporary populations <strong>of</strong> P. mugo on<br />

the areas deforested and utilized as a pastures and meadows in the historical times<br />

have been colonized spontaneously or reforested with the local material. The<br />

participation <strong>of</strong> seeds from the Alps and/or Tatras has been excluded.<br />

109


P 60<br />

Phylogeny in Tanacetum (Anthemideae, Asteraceae) inferred<br />

from nuclear ribosomal DNA sequences<br />

Ali Sonboli<br />

Mozaffarian 4<br />

1 , Shahrokh Kazempour Osaloo 2 , Hossein Riahi 3 & Valioallah<br />

1 Department <strong>of</strong> Biology, Medicinal <strong>Plant</strong>s and Drugs Research Institute, Shahid<br />

Behshti University, G.C., Evin, 1983963113, Tehran, Iran. a-sonboli@sbu.ac.ir<br />

2 Department <strong>of</strong> Biology, Faculty <strong>of</strong> Basic Sciences, Tarbiat Modares University,<br />

Tehran, Iran<br />

3 Department <strong>of</strong> Biology, Faculty <strong>of</strong> Biological Sciences, Shahid Behshti University,<br />

Tehran, Iran<br />

4 Department <strong>of</strong> Botany, Research Institute <strong>of</strong> Forests and Rangelands, Tehran, Iran<br />

Asteraceae is one <strong>of</strong> the largest angiosperm families and comprises about 1300<br />

genera and 25,000 species distributed in the worldwide. The genus Tanacetum<br />

belongs to the tribe Anthemideae. Within the tribe, Tanacetum is the third largest<br />

genus after Artemisia and Anthemis, comprising ca. 160 species. Phylogenetic<br />

relationships among some members <strong>of</strong> Anthemideae were assessed using<br />

sequences <strong>of</strong> the nrDNA internal transcribed spacer (ITS) region to study the<br />

delimitation <strong>of</strong> the genus Tanacetum in broad sense. Total genomic DNA was<br />

extracted from leaves by DNeasy <strong>Plant</strong> Mini kit (Qiagen). PCR amplifications <strong>of</strong> the<br />

nrDNA ITS were performed using primers ITS4 and ITS5. Maximum parsimony<br />

analysis <strong>of</strong> the data set was carried out for phylogenetic reconstruction using the<br />

heuristic search algorithm <strong>of</strong> PAUP* with ACCTRAN, MULPARS and TBR branch<br />

swapping in action. The results suggest that the genus Tanacetum, in its classical<br />

circumscription, is not monophyletic due to the consistent placement <strong>of</strong> segregated<br />

genera (e.g. Tanacetopsis, Ajania, Xylanthemum, Lepidolopsis and Richteria).<br />

Furthermore, ITS data was in conflict with artificial infrageneric classification <strong>of</strong> the<br />

genus Tanacetum sensu Podlech and provide support for the new subtribal<br />

classification <strong>of</strong> the tribe Anthemideae sensu Oberprieler et al. This investigation<br />

identified 10 major clades within the Tanacetum and confirmed the inclusion <strong>of</strong><br />

Gonospermum and Lugoa into Tanacetum.<br />

110


P 61<br />

Biogeography <strong>of</strong> tall-herb species in the Carpathians: a case study<br />

<strong>of</strong> Cicerbita alpina (L.) Wallr.<br />

Alina Stachurska-Swakoń 1 , Elżbieta Cieślak 2 , Michał Ronikier 2<br />

1 Institute <strong>of</strong> Botany, Jagiellonian University, ul. Kopernika 27, 31-501 Kraków,<br />

Poland; alina.stachurska-swakon@uj.edu.pl<br />

2 Institute <strong>of</strong> Botany, Polish Academy <strong>of</strong> Sciences, ul. Lubicz 46, 31-501 Kraków,<br />

Poland<br />

The alliance Adenostylion alliariae Br.-Bl. 1925, (class Mulgedio-Aconitetea Hadač et<br />

Klika et Hadač 1944) includes tall-herb communities which constitute important<br />

elements <strong>of</strong> vegetation within the subalpine zone <strong>of</strong> European mountain ranges. In<br />

the frame <strong>of</strong> our project, a complex biogeographical study focused on these<br />

communities in the Carpathians has been initiated, covering aspects <strong>of</strong> syntaxonomy,<br />

phytogeography and phylogeography. According to a preliminary analysis, 32<br />

communities <strong>of</strong> this alliance occur in the Carpathians. They form groupings<br />

characteristic for the Western, Eastern and Southern Carpathians, with diverse<br />

species compositions, including endemic species and other species reaching limits <strong>of</strong><br />

their distribution. As the flora <strong>of</strong> tall-herb communities consists <strong>of</strong> different<br />

geographical elements (eg. the alpine-Central-European species, the arctic-alpine<br />

species, the Carpathian-Balkan species, the endemic species, the boreal species)<br />

there is a question about its origin in different part <strong>of</strong> mountains and potential<br />

migration routes during the Quaternary Period. In the second part <strong>of</strong> our project,<br />

several tall-herb species were selected to examine their genetic structure and infer<br />

their distribution history: eg. Adenostyles alliariae, Cicerbita alpina, Doronicum<br />

austriacum, Geranium sylvaticum, Ranunculus platanifolius. Cicerbita alpina,<br />

presented in this article, is the character species <strong>of</strong> the Adenostylion alliariae alliance<br />

and has a relatively wide distribution range covering central and northern European<br />

mountain massifs. The study is based on the AFLP analysis applied to a distributionwide<br />

sampling <strong>of</strong> populations from the Alps, Balkans, Carpathians and Scandinavia.<br />

Research is financially supported by the Polish Ministry <strong>of</strong> Science and Higher<br />

Education Grant No. 2 P04G 09528.<br />

111


P 62<br />

The Melampyrum sylvaticum group in Central Europe – comparison<br />

among variation patterns in the Alps, Carpathians and Hercynian<br />

Massif<br />

Jakub Těšitel, Tamara Malinová, Milan Štech & Miroslava Herbstová<br />

Department <strong>of</strong> Botany, Faculty <strong>of</strong> Science, University <strong>of</strong> South Bohemia, Branišovská<br />

31, 370 05 České Budějovice, Czech Republic; jakub.tesitel@centrum.cz,<br />

milan.stech.prf.jcu.cz<br />

We investigated morphological and molecular variation in the Melampyrum<br />

sylvaticum group in the Alps and Carpathians to capture and compare variation<br />

patterns in these regions and reconstruct evolutionary history <strong>of</strong> the whole complex.<br />

Two additional species, M. saxosum and M. herbichii, have been traditionally<br />

delimited from M. sylvaticum s. str. in the Eastern Carpathians on the basis <strong>of</strong> corolla<br />

size and anther length. These two species should differ from each other in corolla<br />

color which is white in M. saxosum or golden yellow in M. herbichii (i. e. same color<br />

as in M. sylvaticum s. str.). Populations occurring in the Alps have been always<br />

assigned to M. sylvaticum s. str. although certain degree <strong>of</strong> variation has been<br />

reported from this region too.<br />

We collected population samples from the Alps, Eastern and Western Carpathians<br />

and the Hercynian Massif. Morphometric analyses <strong>of</strong> corolla shape (thin plate spline<br />

with sliding semilandmarks) and sequencing <strong>of</strong> ITS region <strong>of</strong> nuclear DNA and trnLtrnT<br />

region <strong>of</strong> cpDNA were employed to capture morphological and molecular<br />

variation respectively. Beside this, we also recorded variation in corolla color.<br />

We detected a pronounced morphological and molecular differentiation <strong>of</strong> the<br />

Eastern Carpathian populations from the rest. These results indicate that they are not<br />

directly interrelated to the Western Carpathian and Hercynian type but are two<br />

distant lineages which met and hybridized on the boundary between the Eastern and<br />

Western Carpathians. We did not detect any coincidence between differences in<br />

corolla color and variation in any <strong>of</strong> the morphological traits or molecular markers<br />

within the North-Eastern Carpathian region. Hence, we suggested M. saxosum and<br />

M. herbichii conspecific (a single species displaying two corolla colors).<br />

112


P 63<br />

Genetic structure <strong>of</strong> endangered Eremostachys superba as<br />

assessed by RAPD analysis<br />

Susheel Verma 1 , J. L. Karihaloo 2 and A. K. Koul 3<br />

1 Centre for Biodiversity Studies, School <strong>of</strong> Biosciences & Biotechnology, Baba<br />

Ghulam Shah Badshah University, Rajouri – 185 131, J&K, India; 2 Asia Pacific<br />

Consortium for Agricultural Biotechnology, CG Centres Block, DPS Marg, New Delhi<br />

– 110 012, India; 3 Centre for Biodiversity Studies, School <strong>of</strong> Biosciences &<br />

Biotechnology, Baba Ghulam Shah Badshah University, Rajouri – 185 131, J&K,<br />

India; 1 eremurus@rediffmail.com<br />

Eremostschys superba Royle ex Benth. (Lamiaceae), an endangered species has<br />

undergone a severe decline in population size since its discovery in the North-<br />

Western Hamalaya in late 19 th<br />

Century. The reason attributed to its decline is<br />

anthropogenic stress because <strong>of</strong> its high medicinal value. One hundred and seventy<br />

two plants from six populations in the Indian states <strong>of</strong> Uttar Pradesh and Jammu &<br />

Kashmir, located between 0.45 km and 455.72 km apart from each other were<br />

evaluated for RAPD polymorphism to determine the genetic structure <strong>of</strong> the species.<br />

Sixteen random primers generated 92 bands overall, 77 <strong>of</strong> which were polymorphic.<br />

Shannon’s index <strong>of</strong> genetic diversity within populations (Ho) ranged between 0.305<br />

and 0.421; the average within population diversity (Hpop) was 0.389; and the total<br />

species diversity (Hsp) was 0.478. The population from Mohand, the type locality <strong>of</strong><br />

the species, had the lowest number <strong>of</strong> plants, at 18, and was genetically the most<br />

depauperate. Among the other populations, ranging in size between 52 and 1,022<br />

individuals, no relation between population size and genetic diversity was evident. It<br />

is suggested that these six populations represent relics <strong>of</strong> a larger, extended<br />

population in which the presence <strong>of</strong> perennating rootstock has helped preserve<br />

historic patterns <strong>of</strong> genetic diversity. Analysis <strong>of</strong> Molecular Variance revealed that<br />

83.01% <strong>of</strong> the variation exists within populations which were consistent with earlier<br />

studies on reproductive biology <strong>of</strong> E. superba, which indicated this species is<br />

predominantly allogamous. FST distances between all populations were significant,<br />

indicating geographic differentiation despite some <strong>of</strong> them being closely located. The<br />

paper will speak in detail about the factors that may have influenced the partitioning<br />

<strong>of</strong> genetic diversity. Also the strategies for conservation <strong>of</strong> the species will be<br />

discussed.<br />

113


P 64<br />

The occurrence <strong>of</strong> arctic-alpine elements within high - mountain<br />

plant communities in relation to enviromental factors, functional<br />

types and phytogeography<br />

Ivana Šibíková 1 & Jozef Šibík 1<br />

1 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská cesta 14, SK-845 23<br />

Bratislava, Slovak Republic; ivana.sibikova@savba.sk & jozef.sibik@savba.sk<br />

This contribution serves a view on processing <strong>of</strong> phytosociological relevés together<br />

with phytogeographical, functional and ecological data, paying particular attention to<br />

phytogeographical elements in the flora <strong>of</strong> Western Carpathians, life forms <strong>of</strong><br />

individual taxa and Ellenberg’s indicator values. We used selected high-mountain<br />

plant communities <strong>of</strong> Western Carpathians with abundant arctic-alpine species as<br />

excellent model system. On the other hand, this contribution handles with the<br />

distribution <strong>of</strong> arctic-alpine taxa within Western Carpathians and their abundance in<br />

individual vegetation types.<br />

We worked with more than 43 thousand phytosociological samples taken from Slovak<br />

National Vegetation Database. Fourteen alliances (from the classes Asplenietea<br />

trichomanis, Caricetea curvulae, Carici rupestris-Kobresietea bellardii, Elyno-<br />

Seslerietea, Loiseleurio-Vaccinietea, Montio-Cardaminetea, Mulgedio-Aconitetea,<br />

Salicetea herbaceae and Thlaspietea rotundifolii) were compared with respect to<br />

abundance <strong>of</strong> chorological elements, species richness, environmental factors and<br />

species composition.<br />

The abundance <strong>of</strong> arctic-alpine species was significantly correlated not only with the<br />

European high-mountain element, but also with the occurrence <strong>of</strong> Carpathian or<br />

Western Carpathian endemic taxa. The island phenomenon <strong>of</strong> the highest mountains<br />

gave rise not only to formation <strong>of</strong> refuge for relic taxa, but on the other hand,<br />

according to plasticity <strong>of</strong> individual taxa, the same habitats also provided suitable<br />

conditions for speciation and hence became the centre <strong>of</strong> endemism.<br />

114


P 65<br />

Cytogeography <strong>of</strong> the Alyssum montanum – A. repens complex and<br />

related taxa<br />

Stanislav Španiel 1 , Judita Lihová 1 , Mincho E. Anchev 3 , Nicodemo G. Passalacqua 4 &<br />

Karol Marhold 1,2<br />

1 Institute <strong>of</strong> Botany, Slovak Academy <strong>of</strong> Sciences, Dúbravská cesta 14, SK-845 23<br />

Bratislava, Slovak Republic; stanislav.spaniel@savba.sk, judita.lihova@savba.sk,<br />

karol.marhold@savba.sk<br />

2 Department <strong>of</strong> Botany, Charles University, Benátská 2, CZ-128 01 Praha 2, Czech<br />

Republic<br />

3 Institute <strong>of</strong> Botany, Bulgarian Academy <strong>of</strong> Sciences, Acad. G. Bonchev Str., Bl. 23,<br />

B-1113 S<strong>of</strong>ia, Bulgaria; botmanch@bio.bas.bg<br />

4 Museo di Storia Naturale della Calabria ed Orto Botanico, Università della Calabria,<br />

I-87030 Arcavacata di Rende (CS), Italy; nicodemo@unical.it<br />

The Alyssum montanum – A. repens (Brassicaceae) complex is a taxonomically<br />

critical group with large morphological diversity in central and southern Europe.<br />

A number <strong>of</strong> infraspecific taxa have been described within both A. montanum and A.<br />

repens, and several putative relatives have been reported from the Balkan and<br />

Apennine Peninsulas. Our study aims to resolve evolutionary history <strong>of</strong> this complex,<br />

and to derive a sound taxonomic concept. Here we present our first insights into its<br />

cytogeography, based on chromosome number counts and DNA ploidy levels<br />

estimated by flow cytometry.<br />

Three ploidy levels have been found in A. montanum. Both diploids (2n=16) and<br />

tetraploids (2n=32) are common across the species area, while hexaploids (2n=48)<br />

appear to be rare (so far found only in the Apennine Peninsula). Within A. repens<br />

only tetraploid and hexaploid cytotypes have been found in the sampled material. A<br />

few populations corresponding to A. cuneifolium subsp. pirinicum (2n=18) and A.<br />

pulvinare (2n≈6x) have been analyzed as well. The material studied includes<br />

samples from type localities <strong>of</strong> several names: A. cuneifolium subsp. pirinicum<br />

(2n≈2x), A. diffusum (2n≈2x, 4x), A. mildeanum (2n≈6x), A. montanum subsp. brymii<br />

(2n≈4x), A. montanum subsp. alibotuschicum (2n≈4x), A. pedemontanum (2n≈6x), A.<br />

preissmannii (2n≈2x), A. reiseri (2n≈2x), A. repens (2n≈4x), A. stribrnyi (2n≈4x) and<br />

A. wierzbickii (2n≈2x).<br />

115


P 66<br />

Phylogeny and comparative phylogeography <strong>of</strong> the orchid genus<br />

Epipactis along the Italian peninsula<br />

Valentina Tranchida Lombardo 1,2 , Antonia Cristaudo 1 , Salvatore Cozzolino 2<br />

1<br />

Sezione di Biologia ed Ecologia Vegetale D.A.C.P.A., Università di Catania, via<br />

Vadisavoia 5, 95123, Catania, Italy; valentinatranchida@simail.it.<br />

2 Sezione di Biologia Vegetale, Università “Federico II”, Via Foria 223, 80139 Napoli.<br />

The genus Epipactis is a morphologically variable aggregate <strong>of</strong> taxa that can<br />

represent an interesting model for investigating the consequences <strong>of</strong> geographic<br />

fragmentation and <strong>of</strong> quaternary glaciations on species cladogenesis and distribution<br />

in the Mediterranean basin. Here we investigate the phylogenetic and<br />

phylogeographic relationships among closely related Epipactis species distributed<br />

along the Italian Peninsula with the aim to understand whether the recent<br />

paleoclimatic changes occurred in this area may have shaped the actual patterns <strong>of</strong><br />

clade diversification and distribution in Epipactis. For these aims, we analysed<br />

chloroplast DNA (cpDNA) sequence variation for reconstructing patterns <strong>of</strong><br />

phylogenetic relationships among closely related Epipactis species and distribution <strong>of</strong><br />

cpDNA microsatellite haplotypes to reconstruct their main phylogeographic routes. We<br />

found that the genus Epipactis encompasses two main phylogenetic lineages, namely<br />

the E. helleborine and the E. muelleri/microphylla/atrorubens groups including both<br />

widespread allogamous species and several endemic, geographically isolated,<br />

autogamous taxa. We also detected low level <strong>of</strong> variation in cpDNA microsatellite,<br />

with a single main haplotype for the E. helleborine lineage and three main haplotypes<br />

for the E. muelleri/microphylla/atrorubens lineage being widespread along the Italian<br />

peninsula, and few other rare haplotypes locally distributed. These data strongly<br />

support the hypothesis <strong>of</strong> a very recent (postglacial) colonization <strong>of</strong> the Italian<br />

peninsula and <strong>of</strong> the multiple evolutions <strong>of</strong> locally endemic taxa from the main<br />

phylogenetic lineages. Frequent and rapid changes in breeding system (from<br />

allogamy to autogamy) could have represented the mechanism promoting this rapid<br />

diversification and the observed high taxonomic complexity.<br />

116


P 67<br />

Diversity <strong>of</strong> Draba L. sect. Aizopsis DC. (Brassicaceae) in Sicily<br />

Pietro Mazzola, Francesco Maria Raimondo, Angelo Troia<br />

Dipartimento di Scienze Botaniche dell’Università, via Archirafi 38, I-90123 Palermo,<br />

Italy; mazzolap@unipa.it<br />

The genus Draba L. (Brassicaceae) is a typical element <strong>of</strong> arctic and alpine floras,<br />

known for its taxonomic complexity. The species belonging to the sect. Aizopsis DC.<br />

are perennial rosette plants occurring on mountain areas from Spain to West Asia:<br />

<strong>of</strong>ten densely pulvinate, they have rigid, entire, ciliate leaves and usually yellow<br />

flowers. According to Flora Europaea (1993), about 17 species occur in Europe.<br />

Taxonomic status and delimitation <strong>of</strong> several species are still doubtful, not only for<br />

the unsatisfactory knowledge <strong>of</strong> their biology and variability, but also for their genetic<br />

structure derived from last geological history (Quaternary glacial-postglacial periods).<br />

In this context, the island <strong>of</strong> Sicily in the center <strong>of</strong> Mediterranean, with its ascertained<br />

role <strong>of</strong> refugium during glacial periods, is one <strong>of</strong> the key areas to understand patterns<br />

<strong>of</strong> speciation, migration and recolonization <strong>of</strong> the group as a whole.<br />

Today, two species belonging to the sect. Aizopsis are reported for Sicily: Draba<br />

aspera Bertol., whose distribution should include mountains <strong>of</strong> Northern Balkans,<br />

Central and Southern Italy, and Pyrenees as well; and Draba olympicoides Strobl,<br />

endemic to the Madonie Mountains (Central-Northern Sicily), whose taxonomic status<br />

is however uncertain.<br />

We present here the first results <strong>of</strong> taxonomic and biosystematic investigations aimed<br />

to ascertain the number <strong>of</strong> taxa <strong>of</strong> the sect. Aizopsis occurring in the mountains <strong>of</strong><br />

Sicily, which species occur, and the amount <strong>of</strong> infra- and inter-specific diversity using<br />

enzyme electrophoresis.<br />

117


P 68<br />

Phylogeography and population structure <strong>of</strong> Dryas octopetala<br />

analysed by microsatellite markers<br />

Unni Vik 1* , Marte Holten Jørgensen 1 , Håvard Kauserud 2 & Anne Krag Brysting 1<br />

1<br />

CEES, Dept. <strong>of</strong> Biology, P.O. Box 1066 Blindern, NO-0316 Oslo, Norway;<br />

*unnv@student.bio.uio.no, 2 MERG, Dept. <strong>of</strong> Biology, P.O. Box 1066 Blindern, NO-<br />

0316 Oslo, Norway<br />

Dryas octopetala L. belongs to a circumpolar species complex where the taxonomic<br />

delimitations are not fully clarified. The plant is one <strong>of</strong> the most important components<br />

<strong>of</strong> tundra and heaths in terms <strong>of</strong> biomass, as it forms the vegetation carpet in dry<br />

gravelly sites from the mid-boreal to the high arctic zone.<br />

Microsatellites are co-dominant markers, which are ideal for resolving genetic<br />

variation at finer scales but might also be useful for interpreting phylogeographic<br />

patterns at a larger scale. Ten newly developed microsatellite markers are used in<br />

this work to infer phylogeography and population structure <strong>of</strong> Dryas octopetala<br />

populations from the following main localities: Finse (southern Norway),<br />

Longyearbyen (Svalbard), Ny-Ålesund (Svalbard), Tromsø (northern Norway) and<br />

Langøysund (southern Norway). From each main locality, 30 plants were collected<br />

from each <strong>of</strong> three sub-localities localized approximately 1000 m apart. In addition to<br />

these populations, 3 x 10 individuals from Greenland and 5 x 10 individuals from<br />

Russia are included in the analyses.<br />

Preliminary analyses indicate that the genetic data contain geographically structured<br />

variation, with a relatively high genetic diversity observed for the Svalbard<br />

populations, and a somewhat lower diversity for the populations from mainland<br />

Norway. These patterns are consistent with results from a recent AFLP study which<br />

suggested different postglacial colonization routes for these two areas; whereas<br />

mainland Norway are colonized from a southern refugium, Svalbard may represent a<br />

contact point between a southern colonization and a colonization from an eastern<br />

(Russian) refugium.<br />

118


P 69<br />

Alpine aromatic and medicinal plants: conservation through<br />

domestication<br />

José F. Vouillamoz, Catherine A. Bar<strong>of</strong>fio & Christoph Carlen<br />

Agroscope Changins-Wädenswil ACW, Centre de recherche Conthey, 1964<br />

Conthey, Switzerland; jose.vouillamoz@acw.admin.ch<br />

In the past two decades, Alpine aromatic and medicinal plants have gained more and<br />

more interest with food, cosmetic and pharmaceutical industries. Wild populations are<br />

being used to produce large quantities <strong>of</strong> aromatic compounds, essential oils or<br />

drugs. This might threaten some endangered taxa by leading to a loss <strong>of</strong> Alpine<br />

biodiversity and genetic erosion. To prevent from wild collecting, we have carried out<br />

several domestication and selection programs on emblematic plants <strong>of</strong> the Alps.<br />

Edelweiss (Leontopodium alpinum L.), one <strong>of</strong> the best-known European mountain<br />

plant, has been successfully domesticated and the variety ‘Helvetia’ is now cultivated<br />

for ornamental or cosmetic purposes. Genepy (Artemisia umbelliformis Lam.) is <strong>of</strong>ten<br />

collected in nature by liquor producers, mainly in Northern Italy. We have thus<br />

domesticated Alpine genepy and selected two cultivars (with and without thujone).<br />

Several research programs on other Alpine species are now in the pipeline: Rhodiola<br />

rosea L., a promising adaptogen, Sideritis montana L., a good source <strong>of</strong> antioxidant<br />

compounds, Dryas octopetala L., a plant with anti-UV activities, etc. These programs<br />

aim at providing interesting and new plant material to producers in order to avoid wild<br />

collecting.<br />

119


P 70<br />

Genetic variation <strong>of</strong> Rhodiola rosea L. in Trentino region (Italy) as<br />

detected by microsatellite markers<br />

Elena Zini 1 , Carla Vender 1 & Matteo Komjanc 2<br />

1 Agricultural Research Council, Forest Monitoring and Planning Research Unit (CRA-<br />

MPF), Piazza Nicolini, 6, 38100 Villazzano (TN), Italy; elena.zini@iasma.it;<br />

carla.vender@entecra.it<br />

2 Genetics and Molecular Biology Department, Edmundo Mach Foundation Research<br />

Center, Via E. Mach 1, 38010 San Michele all’ Adige (TN), Italy;<br />

matteo.komjanc@iasma.it<br />

Rhodiola rosea L. (Crassulaceae) is a circumpolar-montane/alpine species <strong>of</strong> coldtemperate<br />

and subarctic areas <strong>of</strong> the northern hemisphere. In Italy, it is widely<br />

distributed in siliceous substrates <strong>of</strong> alpine meadows (1500- 3000 mt). It is a popular<br />

plant <strong>of</strong> traditional medical system in Eastern Europe and Asia: extracts <strong>of</strong> R. rosea<br />

root were found to contain powerful adaptogens, supposedly enhancing memory and<br />

stress mastering. Genetic variation <strong>of</strong> 8 R. rosea L. populations from the Trentino<br />

region (North <strong>of</strong> Italy) was investigated using microsatellite markers. SSRs from<br />

Rhodiola rosea L. were developed with an enrichment procedure for the first time.<br />

Analysis <strong>of</strong> molecular variance (AMOVA) showed that the genetic variation was<br />

mainly found among populations (78%). The main factor responsible for the high<br />

level <strong>of</strong> variation among populations is probably the isolation from other populations,<br />

due to mountainous environment. An additional analysis <strong>of</strong> population structure by<br />

principal component analysis (PCA) <strong>of</strong> allele frequencies was conducted. PCA results<br />

reflected the geographic distribution <strong>of</strong> the populations sampled in different locations<br />

in Trentino region. A simulated annealing procedure implemented in the spatial<br />

analysis <strong>of</strong> molecular variance (SAMOVA) algorithm was used to define groups <strong>of</strong><br />

populations that are geographically homogeneous and maximally differentiated from<br />

each other. The results <strong>of</strong> SAMOVA confirmed the existence <strong>of</strong> geographic structure<br />

in the Rhodiola rosea L: populations.<br />

120


P 71<br />

Phylogeographic relationships between infraspecific taxa <strong>of</strong><br />

Astragalus vesicarius L. (Fabaceae) in Europe<br />

Elke Zippel,<br />

Botanical Garden and Botanic Museum Berlin-Dahlem, Königin-Luise-Straße 6-8,<br />

14195 Berlin, Germany, e.zippel@bgbm.org<br />

Several infraspecific taxa <strong>of</strong> Astragalus vesicarius L. (Fabaceae) occur throughout<br />

Southern Europe. Their distribution ranges from the Iberian Peninsula, the Southern<br />

Alps in France, Italy and Croatia to the Balkan Peninsula and Greece, and further<br />

from the Pannonic region to Ukraine. Due to the considerable variation <strong>of</strong> Astragalus<br />

vesicarius s. lat. it is difficult or impossible to distinguish between infraspecific taxa<br />

which differ e.g. in flower colour and slightly in form and length <strong>of</strong> calyx and banner,<br />

as well as in symmetry and size <strong>of</strong> calyx teeth.<br />

Astragalus vesicarius s.l. is a rare species and occurs presently in regions which<br />

were unglaciated or at the outer boundary <strong>of</strong> the maximum expansion <strong>of</strong> the Würm<br />

glacial. Only few populations <strong>of</strong> the subsp. pastellianus in Northern Italy are known<br />

from formerly glaciated regions, the inner alpine dry valleys Vinschgau and Aosta<br />

valley.<br />

The poster shows first results <strong>of</strong> a molecular study <strong>of</strong> populations <strong>of</strong> Astragalus<br />

vesicarius s.l. from nearly the whole distribution range. PsbA and ITS sequences, as<br />

well as AFLP data provided first hints on a high genetic differentiation within the<br />

infraspecific taxa and a split <strong>of</strong> the Astragalus vesicarius s.l. group into a Western<br />

and Eastern lineage. The data also suggest a multiple origin <strong>of</strong> the subsp.<br />

pastellianus in the inner alpine dry valleys <strong>of</strong> Northern Italy: the population <strong>of</strong> the<br />

Aosta Valley belongs like the populations from the Monte Pastello near Verona to the<br />

Western lineage, while the populations from the Vinschgau are <strong>of</strong> Eastern origin.<br />

121


P 72<br />

BioCASE – access to specimen and observation data for<br />

taxonomists<br />

Elke Zippel , Wolf-Henning Kusber, Patricia Kelbert, Jörg Holetschek, Anton Güntsch<br />

& Walter Berendsohn<br />

Botanic Garden and Botanical Museum Berlin-Dahlem, Königin-Luise-Straße 6-8,<br />

14195 Berlin, Germany, e.zippel@bgbm.org<br />

Natural history collections and species observation records form a unique archive <strong>of</strong><br />

biodiversity. Each object or record documents the occurrence <strong>of</strong> a species in a given<br />

location at a point in time. The multilingual Biological Collection Access Service for<br />

Europe (search.biocase.org) provides access to 50 million records for the European<br />

Fauna and Flora, based on the GBIF index. The content <strong>of</strong>fered ranges from simple<br />

occurrence data to highly structured specimen information with multimedia content<br />

and multiple identifications. Searching for information on a specific species<br />

sometimes makes it necessary to look under several scientific names. In the<br />

BioCASE portal, the user can opt to extend the search by means <strong>of</strong> a taxonomic<br />

thesaurus. Known synonyms, included taxa such as subspecies, and related<br />

taxonomic concepts are included in the query. For botanical names, the Euro+Med<br />

<strong>Plant</strong>Base database is used as the thesaurus in the BioCASE portal. An alternative<br />

access system (search.biocase.org/toto/) allows the selection <strong>of</strong> names from those<br />

<strong>of</strong>fered by several thesauri before the query is executed. The portal s<strong>of</strong>tware can be<br />

adapted to other information needs. The German GBIF node for Botany provides<br />

access to German Phytodiversity using the German floristic standard lists. Further,<br />

an annotation system in all BioCASE portals allows the user to comment the data. A<br />

specimen access module for taxonomists is under development for the EDIT Internet<br />

Platform for Cybertaxonomy.<br />

122


P 73<br />

Evolutionary Trends in Genus Alysicarpus Desv.<br />

Arvind S. Dhabe and Dileep S. Pokle.<br />

Department <strong>of</strong> Botany, Dr. Babasaheb Ambedkar Marathwada University,<br />

Aurangabad, 431004. India e-mail:- asdhabe2006@yahoo.co.in ,<br />

dspokale2005@yahoo.co.in<br />

The genus Alysicarpus Desv is distributed in tropics & subtropics. Main centre<br />

<strong>of</strong> distribution is India followed by Africa. It is represented by about 32 species and 42<br />

taxa <strong>of</strong> which nearly 17species and 9 infraspecific taxa occur in India especially in<br />

Marathwada. Out <strong>of</strong> 42 taxa, 12 taxa are endemic to India. The genus was revised for<br />

India (Pokle 1997-2000) and experimental taxonomic studies were carried out which<br />

includes Comparative Morphology, Floral biology, Phytochemistry, Seed Morphology<br />

and Testatopography, Anatomy and Dermatology, Seed anatomy, Seedling<br />

morphology and Palynology.<br />

The data procured from the studies was subjected to numerical analysis to<br />

reveal the relationships and evolutionary trends <strong>of</strong> the species. It revealed that, the<br />

genus can be subdivided into 5 groups <strong>of</strong> closely related species. Most primitive<br />

taxon appears to be A.bupleurifolius var. gracilis while the most advanced taxon<br />

appears to be A.hamosus. The present paper deals with detailed numerical analysis<br />

and the evolutionary trends and features are discussed in details.<br />

123


P 74<br />

Distribution and Conservation Status <strong>of</strong> Some Steno-endemic<br />

Species Peculiar to Central Taurus (Turkey)<br />

Süleyman Doğu 1 , Muhittin Dinç 2 & Yavuz Bağcı 3<br />

1 Selçuk University, Education Faculty, Department <strong>of</strong> Science Education,<br />

42090 Meram, Konya, Turkey; sdogu@selcuk.edu.tr<br />

2 Selçuk University, Education Faculty, Department <strong>of</strong> Biology Education,<br />

42090 Meram, Konya, Turkey; muhdinc@yahoo.com<br />

3 Selçuk University, Science and Art Faculty, Department <strong>of</strong> Biology, 42031 Kampüs,<br />

Konya, Turkey; ybagci@selcuk.edu.tr<br />

Central Taurus have very rich flora and are important endemism centre <strong>of</strong> Turkey.<br />

New distributional data for 6 steno-endemic species (Viola isaurica Contandr. &<br />

Quèzel, Viola ermenekensis Ş. Yıldırımlı & M. Dinç, Sartoria hedysaroides Boiss. &<br />

Heldr., Scorzonera longiana H.Sümbül, Cicer isauricum P. H. Davis, Salvia<br />

adenocaulon P. H. Davis for Central Taurus is determined from Ermenek and<br />

Sarıveliler districts <strong>of</strong> Karaman province. The descriptions <strong>of</strong> the species are<br />

reviewed based on the literature data and the studies on the collected specimens.<br />

IUCN red list categories <strong>of</strong> these taxa are updated in the light <strong>of</strong> the literature, the<br />

observations on the determined populations and the possible threats. The habitats<br />

they occupy, their associated species, distribution map and photos are also<br />

presented.<br />

124


P 75<br />

Evolutionary processes in South American Andes: Molecular Phylogeny,<br />

and Biogeography <strong>of</strong> Festuca (Poaceae)<br />

Daniel Stančík<br />

Department <strong>of</strong> Botany, Charles University, Benátská 2, CZ-128 01 Praha 2, Czech<br />

Republic, dan_stancik@yahoo.com<br />

Cosmopolitan genus Festuca is one <strong>of</strong> the largest grass genera in the World<br />

composed <strong>of</strong> more than 450 species. With about 140 species, South America<br />

represents one <strong>of</strong> the most important generic diversity centers. This diversity is a<br />

result <strong>of</strong> relatively young speciation after tertiary immigration <strong>of</strong> this genus into<br />

American continents from Eurasia. This study uses the analyses <strong>of</strong> two DNA<br />

fragments (trnL-F, ITS) <strong>of</strong> 85 North, Meso-, and South American species to show that<br />

Festuca speciation and diversification in South America was a complex process,<br />

which included several immigrations <strong>of</strong> different evolutionary lineages and their<br />

subsequent spreading along Mesoamerican mountains and tropical to temperate<br />

Andes <strong>of</strong> South America. This colonization had not the form <strong>of</strong> continuous and<br />

gradual spreading and speciation from north to south. More likely, it occurred via<br />

several long-distance dispersions from north to south and consequent local<br />

diversifications. Our analysis also indicates that morphological differentiation and<br />

inter species similarities in South America may be the result <strong>of</strong> ecological<br />

convergence rather than the manifestation <strong>of</strong> the existence <strong>of</strong> morphologically<br />

uniform evolutionary lineages. This should have implications in the systematic <strong>of</strong> the<br />

genus Festuca in South America.<br />

125

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