cycad

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Related to Cycadales: Coniferales

cycad

(sī′kad″, kăd) [L. Cycas, a genus name]
A variety of palmlike evergreen plants, including Cycas revoluta and C. circinalis, from which cycasin has been isolated.
Medical Dictionary, © 2009 Farlex and Partners

cycad

any tropical or subtropical GYMNOSPERM of the order Cycadales. Cycads date from the MESOZOIC PERIOD. Present-day forms grow to 20 m in height and have a crown of fern-like leaves. They live for up to a thousand years.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Somatic embryogenesis from leaves of a mature plant of Ceratozamia euryphylhdia (Cycadales, Gymnospermae), an endangered species.
Sugiere que las asociaciones entre las especies de Anatrachyntis y los miembros de Cycadales pueden estar mas extendidas de lo que se sabe actualmente.
Organogenesis from megagametophyte and zygotic embryo explants of the gymnosperm Dioon edule Lindley (Zamiaceae, Cycadales).
Large seeds, extinct vectors and contemporary ecology: testing dispersal in a locally distributed cycad, Macrozamia lucida (Cycadales).
Chavez VM, Litz RE, Monroy M, Moon PA, Vovides A (1998) Regeneration of Ceratozamia euryphyllidia (Cycadales, Gymnospermae) plants from embryogenic leaf cultures derived from mature-phase trees.
(Zamiaceae, Cycadales): biogeographical and evolutionary implications.
Walter, 2007, Large seeds, extinct vectors and contemporary ecology: testing dispersal in a locally distributed cycad, Macrozamia lucida (Cycadales).
Eccentric secondary growth but no compression wood in a horizontal stem of Cycas micronesica (Cycadales).