Dioscorea prazeri

Prain & Burkill

DioscoreaceaeRoots
Dioscorea prazeri
gbif · cc0
Royal Botanic Garden Edinburgh
Dioscorea prazeri
gbif · cc-by
Royal Botanic Gardens, Kew
Dioscorea prazeri
gbif · cc-by
Royal Botanic Gardens, Kew

What to Eat

Edible parts: Tuber, Root

The tuber and root are edible but used only occasionally as a famine food.

Where to Find It

It is a tropical plant. It grows in open areas in forests on limestone and occasionally on sandstone. It grows between 100-1,650 m above sea level.

Asia, Bhutan, Himalayas, India, Indochina, Malaysia, Myanmar, Nepal, SE Asia, Thailand,

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. It is a climbing vine 5 m long. The rhizome is 1-15 cm long by 2-9 cm wide. It is branched and spreading. It is shallowly buried and has a hard skin. The stems are 1-3 mm across and twine to the left. These re-grown each year. The leaves are simple and alternate. The leaf blade is broadly oval and has 5-7 veins. The base is heart shaped and it tapers to the tip. Occasionally there are bulbils of the stem where it is near the ground. These can be 2-3 cm long. The flowering shoots hang down.

Other Information

It is a famine food. It is only occasionally used.

Names & Synonyms

Sehod

Dioscorea clarkei Prain & BurkillDioscorea deltoidea var. sikkimensis PrainDioscorea sikkimensis Prain & Burkill
References (4)
  • Jha, P. K., et al, 1996, Plant genetic resources of Nepal: A guide for plant breeders of agricultural, horticultural and forestry crops. Euphytica 87:189-210
  • Lim, T. K., 2015, Edible Medicinal and Non Medicinal Plants. Volume 9, Modified Stems, Roots, Bulbs. Springer p 37
  • Mareenoon, K. et al, 2008, Ethnobotany of Dioscorea L. (Dioscoreaceae), a Major Food Plant of the Sakai Tribe at Banthad Range, Peninsular Thailand. Ethnobotany Reaearch & Applications 6:385-394
  • Rijal, A., 2011, Surviving on Knowledge: Ethnobotany of Chepang community from mid-hills of Nepal. Ethnobotany Research & Applications 9:181-215

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