Cycad - Wikipedia
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, that is, individual plants of a species are either male or female. Cycads vary in size from having trunks only a few centimeters to several meters tall.
Cycad | Description, Gymnosperm, Species, Examples, Uses, …
Cycad, any of the palmlike woody gymnospermous plants that constitute the order Cycadales. The order consists of three extant families, which contain about 10 genera and about 310 species. Some cycads are used as ornamental conservatory …
How To Grow Cycads - Information On Cycad Care - Gardening Know How
2021年5月17日 · Cycad plants are hardy, evergreen gymnosperms (cone-bearing plants) that grow in sand or hard rock. Cycads are dioecious plants; there are separate male and female plants. The female plant produces seeds, and the male plant produces cones filled with pollen. The most popular cycad is the sago palm. They are slow growing and have a long life.
Cycads - Wisconsin Horticulture
Cycads are an ancient group of vascular plants that were once a prominent component of the world’s flora. The oldest cycad fossils date to the early Permian (280 million years ago) or late Carboniferous period (300–325 million years ago).
List of cycads | Cycad Species, Endangered Plants, Gymnosperms
Cycads (order Cycadales) are an ancient group of palmlike gymnosperms with about 300 extant species across three families. The plants are distinguished by crowns of large pinnately compound leaves and by large cones. Several species are grown as ornamentals.
Cycads: A comprehensive review of its botany, traditional uses ...
2024年4月1日 · Cycads, the earth's most ancient extant relict plants, represent the primordial group of seed plants (Wang et al., 2021). They offer an invaluable historical lens on growth and evolution, placing them at the heart of studies on the origins and …
The World List of Cycads, online edition
Welcome to the online edition of The World List of Cycads (WLoC), a comprehensive taxonomic reference for cycad taxonomy, nomenclature, biology, and literature. The WLoC is produced under the auspices of the IUCN/SSC Cycad Specialist Group (CSG) .
7.1: Cycads - Biology LibreTexts
Cycads are one of the more ancient gymnosperm lineages, appearing in the fossil record around 300 million years ago. Currently, many extant species are in danger of extinction in the wild. However, during the Jurassic period, these plants would have dominated the landscape.
Cycas | Description, Cycad, Uses, Species, & Facts | Britannica
Cycas, genus of 115 species of palmlike cycads in the family Cycadaceae native to tropical and subtropical areas of the Old World. Several species are cultivated as ornamentals, and a number have edible seeds. Learn about the genus Cycas with this article.
Cycads 101: The crucial guide to take care of all your cycads
Cycad plants are hardy, evergreen gymnosperms (cone-bearing plants) that grow in sand or hard rock. Cycads are dioecious plants; there are separate male and female plants. The female plant produces seeds, and the male plant produces cones filled with pollen. The most popular cycad is the sago palm. They are slow growing and have a long life.