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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.
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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.
While there are more than 200 species of cycads, only one is native to Florida, and only a couple are popular landscaping plants in our area.
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 ]
Unambiguous fossils of cycads are known from the Early-Middle Permian onwards. [26] Cycads were generally uncommon during the Permian. [27] The two living cycad families are thought to have split from each other sometime between the Jurassic [17] and Carboniferous. [28] Cycads are thought to have reached their apex of diversity during the ...