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Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. Below is a list of cycad ... List of cycad species by country.
Cycads all over the world are in decline, with four species on the brink of extinction and seven species have fewer than 100 plants left in the wild. [2] 23,420 species of vascular plant have been recorded in South Africa, making it the sixth most species-rich country in the world and the most species-rich country on the African continent.
Cycads / ˈ s aɪ k æ d z / are seed plants that typically have a stout and woody 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.
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 ] As of April 2024, there are 119 accepted species within the genus Cycas , all of which are native to Asia , Oceania, and eastern Africa and the Indian ocean region, with the largest ...
The cycad is 3.5–4 m tall and 35–45 cm in diameter. Its dark green leaves are rigid, 3–4 m long, and 30–40 cm broad, with a petiole up to 13 mm long. The leaflets, 20-25 cm long and about 20 mm wide, angle at 30° from the rachis.
These cycad species reach about 6 meters in height with a 30 cm diameter stem that is erect and lacks branches. The stem is covered in linear cataphyll and thick yellowish hairs. The leaves are found at the top of the stem in a crown formation and are supported by a tomentose petiole that is 1–7 cm long.
Encephalartos lebomboensis is a species of cycad in the family Zamiaceae. Native to the Lebombo Mountains of South Africa, the species was first described in 1949 by the South African botanist Inez Verdoorn. [3] It is commonly known as the Lebombo cycad, although the name is also used for Encephalartos senticosus which also occurs in the same ...
Cycas angulata is a species of cycad in the genus Cycas, native to Australia in northeast Northern Territory (lower reaches of the Foelsche, Robinson and Wearyan Rivers near Borroloola) and northwest Queensland (Bountiful Islands).