Cycas - Wikipedia
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 species endemic to India, was the first cycad species to be described in western literature, and is the type species of the genus. [4] [5]
Cycad - Wikipedia
The two extant families of cycads all belong to the order Cycadales, and are the Cycadaceae and Zamiaceae (including Stangeriaceae). These cycads have changed little since the Jurassic in comparison to some other plant divisions.
list of cycads - Encyclopedia Britannica
2024年12月30日 · 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.
Cycadaceae - an overview | ScienceDirect Topics
Cycas plants belong to the order Cycadales (family Cycadaceae), which consists of 11 genera of tropical and subtropical plants that produce terminal oblong cones containing orange-yellow seeds.
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. The leaves of sago palm (Cycas revoluta) are widely used as ceremonial “palms” and in floriculture. The pithy stems of this and other species are a source of sago, a food starch.
Cycad | Description, Gymnosperm, Species, Examples, Uses, …
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, Stangeriaceae, and Zamiaceae—which contain 10–11 genera and about 310 species. Some authorities use the term cycad to refer to all members of the division Cycadophyta.
Cycads - Wisconsin Horticulture
The family Cycadaceae has a single genus, Cycas, with 105 species primarily in Asia to southern Japan, Australia, the western Pacific Ocean islands and Africa. In this family there is only one vein running up the center of the leaf stalk from top to bottom.
Cycadaceae and Cycas (Cycad family and genus) description
2023年3月3日 · The Cycadaceae are, in general, very much of conservation concern. The IUCN (2020) has identified 11 taxa as critically endangered, 16 as endangered, and 30 as vulnerable. Thus 58% of all cycads are at risk.
Cycadaceae Family | Botanico Hub
Cycadaceae is a family of gymnosperms that represents one of the oldest lineages of seed plants, with a fossil record dating back to the early Permian period. Today, cycads are found mainly in tropical and subtropical regions of the world, including Africa, Asia, Australia, Central and South America, and some Pacific islands.
Cycas family (Family Cycadaceae) - iNaturalist
Cycas is the type genus and the only genus recognised in the family Cycadaceae. About 113 species are accepted. Cycas circinalis, a species endemic to India was the first cycad species to be described and was the type of the generic name, Cycas.