Dioscorea elephantipes (elephant's foot or Hottentot bread; syn. Testudinaria elephantipes), is a species of flowering plant in the genus Dioscorea of the family Diascoreaceae, native to south west South Africa. It is a deciduous climber. It takes the name "elephant's foot" from the appearance of its large, partially buried, tuberous stem, which grows very slowly but often reaches a considerable size, often more than 3 m (10 ft) in circumference with a height of nearly 1 m (3 ft 3 in) above ground. It is rich in starch, whence the name Hottentot bread, and is covered on the outside with thick, hard, corky plates. It develops slender, leafy, climbing shoots with dark-spotted, greenish-yellow flowers in summer.
The large tuberous stem of Dioscorea elephantipes at the botanical garden of Villa Durazzo-Pallavicini, Genova Pegli.
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