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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 in Jan Cilliers Park. Jan Cilliers Park is a park in Groenkloof, Pretoria, South Africa. The 4.5-hectare (11-acre) park on the northern slopes of Klapperkop is also known as Protea Park. The park is dedicated to native plants and offers scenic views of the city and the Union Buildings.
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.
Loran M. Whitelock (April 21, 1930 - May 27, 2014) was an American botanist who specialized in Cycads, a prehistoric plant that once dominated the planet and is now somewhat rare and endangered. [1] He was known as a plant collector, plant curator, nursery owner, author, and conservationist.
Encephalartos lehmannii is a low-growing palm-like cycad in the family Zamiaceae.It is commonly known as the Karoo cycad and is endemic to South Africa. [3] The species name lehmannii commemorates Prof J.G.C. Lehmann, a German botanist who studied the cycads and published a book on them in 1834. [3]
Encephalartos middelburgensis is a species of cycad that is native to Gauteng and Mpumalanga provinces of South Africa at elevations of 1,100–1,400 m (3,600–4,600 ft). [ 3 ] Description
William Buckland originally gave the name to two species he described, C. megalophylla and C. microphylla, in 1828, seeing characteristics akin to living cycads. [3] Robert Brown and Mr. Loddiges of Loddiges Nursery in Hackney had seen living cycads and urged him to name the fossils after them. [4]