Dioscorea koyamae
Jayasuriya
DioscoreaceaeRoots
gbif · cc-by
Royal Botanic Gardens, Kew
Royal Botanic Gardens, Kew
gbif · cc-by
Royal Botanic Gardens, Kew
Royal Botanic Gardens, Kew
gbif · cc-by
Royal Botanic Gardens, Kew
Royal Botanic Gardens, Kew
What to Eat
Edible parts: Tuber, Root
The tuber and roots are eaten.
Where to Find It
It is a tropical plant.
Asia, Sri Lanka,
Countries: United Arab Emirates, Afghanistan, Armenia, Azerbaijan, Bangladesh, Bahrain, Brunei, Bhutan, China, Georgia, Indonesia, Israel, India, Iraq, Iran, Jordan, Japan, Kyrgyzstan, Cambodia, North Korea, South Korea, Kuwait, Kazakhstan, Laos, Lebanon, Sri Lanka, Myanmar, Mongolia, Maldives, Malaysia, Nepal, Oman, Philippines, Pakistan, Qatar, Saudi Arabia, Singapore, Syria, Thailand, Tajikistan, Timor-Leste, Turkmenistan, Turkey, Taiwan, Uzbekistan, Vietnam, Yemen
How to Identify
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.
References (1)
- Jayasuriya, A. H. M., 1990, Dioscorea koyamae (Dioscoreaceae), A new edible yam from Sri Lanka, Brittonia 42(2) pp 142-146
