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Dioscorea koyamae

Jayasuriya

gbif· cc-by

Royal Botanic Gardens, Kew

gbif· cc-by

Royal Botanic Gardens, Kew

gbif· cc-by

Royal Botanic Gardens, Kew

Description

A yam. The stem is angular and up to 10 m long. There are prickles but no leaves for the first 4 m of the stem. The prickles are 2 mm long. The leaves are alternate and the blade is sword shaped to oval. They can be 7-12 cm long by 3-8 cm wide. It has a single tuber which is usually straight and unbranched. It can be 1.5 m long and 5 cm across.

Edible Uses

The tuber and roots are eaten.

Distribution

It is a tropical plant.

Where It Grows

Asia, Sri Lanka,

References (1)

  • Jayasuriya, A. H. M., 1990, Dioscorea koyamae (Dioscoreaceae), A new edible yam from Sri Lanka, Brittonia 42(2) pp 142-146

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