Dioscorea daunea

Prain & Burkill

DioscoreaceaeRootsPotential hazards — see below
Caution — Parts of this plant may be toxic or require specific preparation. Verify with multiple sources before consuming.
Dioscorea daunea
gbif · cc0
Royal Botanic Garden Edinburgh
Dioscorea daunea
gbif · cc0
Royal Botanic Garden Edinburgh
Dioscorea daunea
gbif · cc-by
Royal Botanic Gardens, Kew

What to Eat

Edible parts: Tuber, Root

The tubers are eaten after boiling and peeling, though they are bitter and require treatment before consumption. It serves as a famine food.

Known Hazards

The tubers are bitter and require treatment before eating.

Where to Find It

It is a tropical plant. It grows in forests in peninsula Thailand. It is often on limestone and near water. It grows between 20-1,400 m above sea level.

Asia, Indochina, Myanmar, 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 robust climber. It can grow 25 m tall. The tubers occur as 2 or 3 together. They are 5-12 cm long by 2-3 cm wide. The stems are 3-7 mm across and twine to the left. The re-grow each year. The leaves are simple and alternate. The leaf blade is broadly oval to sword shaped. There can be bulbils in the axils of the leaves near the ground. The flowers hang down.

Other Information

It is a famine food.

Names & Synonyms

Suna

References (3)
  • Castillo, C., 2013, The Archaeobotany of Khao Sam Kaeo and Phu Khao Thong: The Agriculture of Late Prehistoric Southern Thailand. Ph. D. thesis University College, London p 378
  • Lim, T. K., 2015, Edible Medicinal and Non Medicinal Plants. Volume 9, Modified Stems, Roots, Bulbs. Springer p 34
  • 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

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