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Cycas thouarsii is the most geographically widespread species, and is found in Indian Ocean islands as well. Tanzania ... List of cycad species by country.
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.
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.
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 Madagascar cycad is found on Madagascar and the nearby islands of Comoros, Mayotte and the Seychelles. It is also found along the coasts of Kenya, Mozambique, and Tanzania. [1] According to de Laubenfels and Adema, the plant is also found in Sri Lanka, but this may be confusion with the closely related Cycas circinalis. [2]
The species is unusual in that it contains a layer of fleshy material between the sarcotesta and the sclerotesta that is thought to aid the seed by providing it with a source of water. As cycad seeds have no dormancy, this would be an important trait in its arid habitat. It is named after the botanist Richard Henry Beddome.
Pages in category "Cycads" The following 19 pages are in this category, out of 19 total. ... List of cycad species by country; M. Mesosingeria; P. Praeornis ...
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).