Viscin Cells in the Dwarf Mistletoe Arceuthobium ... - Davidsonia

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Davidsonia Editor Iain E.P. Taylor UBC Botanical Garden and Centre for Plant Research University of British Columbia 6804 Southwest Marine Drive Vancouver, British Columbia, Canada, V6T 1Z4 Editorial Advisory Board Quentin Cronk Fred R. Ganders Daniel J. Hinkley Carolyn Jones Lyn Noble Murray Isman David Tarrant Roy L. Taylor Nancy J. Turner Pam Sinclair Associate Editors Mary Berbee (Mycology/Bryology) Moya Drummond (Copy) Aleteia Greenwood (Art) Michael Hawkes (Systematics) Richard Hebda (Systematics) Douglas Justice (Systematics and Horticulture) Eric La Fountaine (Publication) Jim Pojar (Systematics) Andrew Riseman (Horticulture) Charles Sale (Finance) Janet R. Stein Taylor (Phycology) Sylvia Taylor (Copy) Roy Turkington (Ecology) Jeannette Whitton (Systematics) Davidsonia is published quarterly by the Botanical Garden of the University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4. Annual subscription, CDN$48.00. Single numbers, $15.00. All information concerning subscriptions should be addressed to the editor. Potential contributors are invited to submit articles and/or illustrative material for review by the Editorial Board. Web site: http://www.davidsonia.org/ ISSN 0045-09739 Cover: The Arceuthobium americanum fruit, seed, and viscin tissue. Mature recurved fruit photographed two days prior to explosive discharge. Photo: Cynthia M. Ross Back Cover: UBC graduate students mark off transects for ecological field study. Photo: Esson et al.
Davidsonia 17:3 73 Editorial This issue of Davidsonia (I apologize that it is regrettably late again) contains the next in the series of papers about the Garry oak ecosystem. The authors (Esson et al.) are graduate students in the UBC Botany Department and the results presented in this paper were collected during the annual UBC Botany Department graduate student field trip. Participation in this field trip is compulsory for every graduate student, usually during their first year of study in the department. Periodically, either the teaching faculty or the students question the relevance of this brief field experience. The argument is that students who do not plan to work in the field can spend their time more profitably pursuing their laboratory research plans. A broader argument is that botany has changed and only those pursuing research in systematics and ecology need this field experience. At the same time, the cries continue for more knowledge about the natural history of plants that can be used by those who work to address the effects of climate change and biodiversity loss due to urbanization or other human activities. The irony is that some of the needed information is already available but languishes in the thesis chapters that are deemed to be unsuitable for publication in the modern high-profile research journals. Fortunately some journals, such as Rhodora, Madroño, and Davidsonia, continue to publish scientific natural history with some of the reassurance about quality that comes from peer-review. In addition, much excellent natural history is increasingly available on internet web sites. The political decision makers who are responsible for national policy on biodiversity loss or the botanical impacts of climate change expect scientific answers to be available on demand. There are fewer university researchers who are active in natural history than there were 20 or more years ago. One benefit is that the alarms over biodiversity loss have drawn many evolutionary biologists closer to the field. Those doing the undoubtedly important research to understand the genetic (and hence evolutionary) relationships among organisms seem to have an operating Iain E.P. Taylor, Professor of Botany and Research Director, UBC Botanical Garden and Centre for Plant Research, 6804 SW Marine Drive, Vancouver, BC, Canada, V6T 1Z4. iain.taylor@ubc.ca
Page 1: Volume 17, Number 3 July 2006 David
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Page 17 and 18: Davidsonia 17:3 87 Comparison of Tw
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Page 27 and 28: Davidsonia 17:3 97 REFERENCES Allen
Page 29 and 30: Davidsonia 17:3 99 The next step, t
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