Cycads / ˈsaɪkædz / are seed plants that typically have a stout and woody (ligneous) trunk with a crown of large, hard, stiff, evergreen and (usually) pinnate leaves. The species are dioecious, …

cycad, (order Cycadales), any of the palmlike woody gymnospermous plants that constitute the order Cycadales. The order consists of three extant (not extinct) families—Cycadaceae, …

The World List of Cycads (WLoC) is a comprehensive reference for cycad taxonomy, nomenclature, biology, and literature. Learn more about us.

cycad /ˈsaɪkæd/ 1.N any tropical or subtropical gymnosperm plant of the phylum Cycadophyta, having an unbranched stem with fernlike leaves crowded at the top 热带或亚热带的裸子植物; …

Cycads are the most primitive of surviving gymnosperms, or cone-bearing plants, with palm-like leaves and a thick soft stem of storage tissue, mostly lacking any true wood. Their fossil record …

Cycas, genus of 115 species of palmlike cycads in the family Cycadaceae native to tropical and subtropical areas of the Old World. The leaves of sago palm (Cycas revoluta) are widely used …

2024年4月1日 · In this review, we provide a comprehensive overview of the botanical characteristics, geographical distribution, taxonomic classification, traditional applications, …

Cycas is a genus of cycad, and the only genus in the family Cycadaceae with all other genera of cycad being divided between the Stangeriaceae and Zamiaceae families. Cycas circinalis, a …

2024年1月31日 · Cycads are easy to recognize because they look like a palm tree. However, they bear large cones rather than fruits. Their leaves are quite large compared to the stem and …

2015年5月22日 · Cycads are a group of gymnosperm trees and shrubs. They are woody, seed producing plants with no flowers or fruit. Cycads often look similar to palm trees with …