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This cycad is tree-like, dioecious, growing up to 1 meter tall and 30 centimeters wide, often with additional stems sprouting from its base. [2] Its pinnate leaves, located in a cluster at the top of the stem, are 1–1.3 meters long, supported by a 15-20 centimeter petiole, and made up of many pairs of lance-shaped, leathery green leaves, each about 15–20 centimeters long, with a spiny edge ...
The seeds when mature measure about 5 cm (2.0 in) long by 4 cm (1.6 in) wide and are sheathed in a bright red sarcotesta. [ 4 ] [ 5 ] [ 6 ] It is reputed to be the tallest known species of cycad and it towers over other understorey vegetation, but rarely reaches the forest canopy .
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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 ]
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]
Cardboard cycads can only be reproduced by the fleshy, brightly crimson-colored seeds produced by the female plants. The germination process is very slow and difficult to achieve in cultivation; as a result, many plants sold for horticultural use are illegally collected in the wild, leading to the species being classified as Endangered.
The seeds are large and numerous and have red sarcotesta. [2] All parts of the plant, especially the seeds, are toxic to both livestock and humans; if ingested, the seeds can cause severe gastrointestinal irritation and abdominal cramps, vomiting and nausea, diarrhoea, and potentially also liver damage and muscular paralysis.
This cycad has between 20 and 80 slightly glossy dark green leaves in its crown, each leaf growing to a length of 2.3 m long. The leaves consist of 80 to 160 leaflets , each leaflet is 15 cm to 50 cm long, 8 mm to 20 mm wide and are covered in grey-brown hairs. [ 4 ]