Cycads: evolutionary innovations and the role of plant-derived neurotoxins EricD. Brenner, Dennis W. Stevensonand Richard W. Twigg The NewYorkBotanical Garden, 200thSt. and Kazimiroff, Bronx, NY 10458-5126, USA Cycads are an important relic from the past and repr esent the oldest living seed plants.
Donors to the SSC Conservation Communications Programme and the Cycads Status Survey and Conservation Action Plan The IUCN Species Survival Commission is committed to communicate important species conservation information to natural resource managers, decision makers and others whose actions affect the ...
The Cycads , by Loran M. Whitelock, 2002, Timber Press, Inc. FOR MORE INFORMATION ON CYCADS Encephalartos ferox , closeup Encephalartos ferox , closeup Dioon edule Dioon edule plant sales held at botanic gardens such as the Leu Gardens Spring Plant Sale.
All cycads are endangered in their natural habitats and protected by CITES, the Convention on International Trade in Endangered Species. Fairchild began collecting and conserving cycads since its founding in 1936, and now has one of the most important collections in the world.
Cycads For comprehensive literature see: www.cycad.org/publications/publications.htm & www.nybgpress.org/images/press/Vovides_Release.pdf See also: www.archive.org/stream/livingcycads00chamuoft Cycads are fascinating plants that date back to the Triassic at the beginning of the Mezozoic period ...
The Cycad Newsletter 30(4) December 2007 Page 44 I n the last 12 years since it was brought into Miami, the Asian scale, or CAS (cycad aulacaspis scale) has killed somewhere between 100 to 500 million dollars worth of Cycas revoluta and Cycas rumphii plants in our landscapes and nurseries.
Hankey, a specialist horticulturalist, won't allow the botanical garden's rare cycads to be photographed for fear that theft syndicates will pounce yet again.
Other terms ( e.g . bulb, endosperm, frond) are used commonly but incorrectly with reference to cycads. Most terms are understood by readers in context, but many have a precise definition which is not readily found in general reference texts.
THE IUCN RED LIST OF THREATENED SPECIES™ The IUCN Red List of Threatened Species™ October 2010 update Cycad Facts A worrying 62% of the world's cycads are threatened with extinction, making them the most threatened group of plant species on Earth.
J ODY L. H AYNES Introduction Cycads are ancient, palm-like, evergreen gymnosperms (cone-bearing plants) of the Division Cycadophyta. Represented by three families—Cycadaceae, Stangeriaceae, and Zami-aceae—the cycads are composed of approximately 200 species in 11 genera— Bowenia ...