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nounany tropical gymnosperm of the order Cycadales; having unbranched stems with a crown of fernlike leavestype of:
Definition that contains cycad
- frond compound leaf of a fern or palm or cycad
- group pteridospermae used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales
- false sago southeastern Indian cycad with palmlike foliage
- cycadophyta palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
- zamia any of various cycads of the genus Zamia; among the smallest and most verdant cycads
- subdivision cycadophyta palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
- kaffir bread South African cycad; the farinaceous pith of the fruit used as food
- genus cordaites tall Paleozoic trees superficially resembling modern screw pines; structurally intermediate in some ways between cycads and conifers
- genus encephalartos genus of arborescent African cycads; sometimes classified in family Cycadaceae
- division gymnospermophyta plants having naked seeds not enclosed in an ovary; in some systems considered a class (Gymnospermae) and in others a division (Gymnospermophyta); comprises three subdivisions (or classes): Cycadophytina (class Cycadopsida) and Gnetophytina (class Gnetopsida) and Coniferophytina (class Coniferopsida); in some classifications the Coniferophytina are divided into three groups: Pinophytina (class Pinopsida) and Ginkgophytina (class Ginkgopsida) and Taxophytina (class Taxopsida)