Christoph Oberprieler The Systematics of Anthemis L. - Herbmedit.org

42 Oberprieler: Anthemis in N Africa
Anthemis maroccana subsp. maroccana
n=9+0-1B
-Ma, A1n-Cheggag, 620 m, 27 Apr 1993, Vogt 10181 & Oberprieler 4729. (Fig. 4C).
-Ma, Middle At1as, Sefrou, 1060 m, 27 Apr 1993, Vogt 10284 & Oberprieler4732.
-Ma, Middle Atlas, Sefrou, 1150m, 28 Apr 1993, Vogt 10296 & Oberprieler4744.
Anthemis maroccana had never been investigated cytologically before. The three
populations studied here ali belong to subsp. maroccana and proved to be diploid with n =
9 chromosomes.
Anthemis tenuisecta subsp. tenuisecta
n=9
-Ma, Agadir, Tiznit - Agadir, 180 m, 19 May 1993, Vogt 11905 & Oberprieler 6353.
- Ma, Agadir, Agadir - Essaouira, 160m, 21 May 1993, Vo g t 11 924.
2n = 18
* - Ma, Agadir, Tiznit - Agadir, 25 Apr 1989, Podlech 45076. (Fig. 4D).
-Ma, Agadir, Agadir- Essaouira, 120 m, 22 May 1993, Vogt 11930.
The chromosome number of Anthemis tenuisecta, a species cIosely related to A. gharbensis,
is reported here for the first time. A ~ in A. gharbensis and A. maroccana, a diploid
chromosome set was found, with n = 9 and 2n = 18, respectively. The karyotype is a little
more asymmetrical than in A. gharbensis due to the occurrence of an additional pair of
submetacentric instead of metacentric chromosomes (8m + 6sm + 4st-sat, Table 5).
Table 5. Chromosomes of Anthemis tenuisecta (OTU 14; n = 11).
Chromo- Long arm Short arm Totallength Relative length
some pair (lJm) (lJm) (lJm) (%)
4.16 3.58 7.74 13.7
Il 4.55 2.60 7.15 12.7
III 3.64 3.12 6.76 12.0
IV 3.99 2.27 6.26 11.1
V 3.40 2.68 6.08 10.8
VI 4.05 1.02 5.85 10.4
VII 3.87 1.92 5.79 10.3
VIII 3.08 2.42 5.50 9.8
IX 3.93 0.71 5.42 9.6
Arm ratio
1.16
1.75
1.16
1.75
1.26
3.97
2.01
1.27
5.53
Chromosome
type
m
sm
m
sm
m
st-sat
sm
m
st-sat
Anthemis (subg. Anthemis, sect. Anthemis) ser. Melampodinae
Anthemis melampodina
2n = 18 + lB
*-Eg, Sinai, Nizzana - El Arish, 130 m, 2 May 1991, Podlech 49968.