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nounancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids
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Definition that contains cycadaceae
- family zamiaceae a family of cycads often included in the family Cycadaceae: zamias
- genus encephalartos genus of arborescent African cycads; sometimes classified in family Cycadaceae
- genus ceratozamia small genus of Mexican cycads; sometimes classified in family Cycadaceae
- genus macrozamia genus of large evergreen Australian cycads; sometimes classified in family Cycadaceae
- genus cycas type genus of Cycadaceae: genus of widely distributed Old World evergreen tropical trees having pinnate leaves and columnar stems covered with persistent bases of old leaves
- zamia family a family of cycads often included in the family Cycadaceae: zamias
- cycas type genus of Cycadaceae: genus of widely distributed Old World evergreen tropical trees having pinnate leaves and columnar stems covered with persistent bases of old leaves
- genus dioon small genus of arborescent cycads of Mexico and Central America; sometimes classified in family Cycadaceae
- zamiaceae a family of cycads often included in the family Cycadaceae: zamias