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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 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.
Encephalartos hildebrandtii is a species of cycad in the Zamiaceae family. [3] It is native to Kenya and Tanzania at elevations from sea level to 600 metres (2,000 ft). [ 4 ] The species is named for the German explorer Johann Maria Hildebrandt .
Encephalartos woodii, Wood's cycad, is a rare cycad in the genus Encephalartos, and is endemic to the oNgoye Forest of KwaZulu-Natal, South Africa. It is one of the rarest plants in the world, being extinct in the wild with all specimens being clones of the type . [ 2 ]
Encephalartos aemulans, the Ngotshe cycad, is a species of cycad endemic to South Africa. It is listed by the IUCN as Critically Endangered and by CITES in Appendix I. Only 100-250 are believed to be left, with a decreasing population trend. Its main threat is collecting of wild specimens. [1]
The Zamiaceae are a family of cycads that are superficially palm or fern-like. They are divided into two subfamilies with eight genera and about 150 species in the tropical and subtropical regions of Africa, Australia and North and South America.
Encephalartos laevifolius is a species of cycad that is found in the KwaZulu-Natal, Mpumalanga and Limpopo provinces of South Africa, [2] and at Piggs Peak in Eswatini. The species is facing extinction in the wild, but is widely cultivated. As of 2012, the Encephalartos laevifolius has been listed as critically endangered by the IUCN. [3]
Encephalartos tegulaneus, the Kenyan giant cycad, is a species of cycad endemic to Kenya. It occurs in Eastern Province near Embu, Kenya, and on the Matthews Range in Rift Valley Province. [1] E. tegulaneus ssp. powsii is critically endangered due to overcollecting and a very limited distribution. The other subspecies are not critically endangered.