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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
- cycadopsida 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)
- cycas revoluta dwarf palmlike cycad of Japan that yields sago
- ceratozamia a small cycad of the genus Ceratozamia having a short scaly woody trunk and fernlike foliage and woody cones; Mexico
- zamia family a family of cycads often included in the family Cycadaceae: zamias
- macrozamia communis large attractive palmlike evergreen cycad of New South Wales
- genus dioon small genus of arborescent cycads of Mexico and Central America; sometimes classified in family Cycadaceae
- genus zamia genus of small evergreen tropical and subtropical American cycads
- encephalartos caffer South African cycad; the farinaceous pith of the fruit used as food
- cordaites tall Paleozoic trees superficially resembling modern screw pines; structurally intermediate in some ways between cycads and conifers