Dioscorea melanophyma
Family: Dioscoreaceae
What it is like
A yam. It is a climbing plant. The stems twine clockwise. It has a fleshy round tuber. The tuber has roots. The leaves are alternate and have 3-5 leaflets. The leaflets are 4-14 cm long by 1-2.5 cm wide. They are narrowly sword shaped. It has black bulbils along the stem. The fruit is a capsule 1.5 cm long by 0.5 cm wide.
There are about 650 species of Dioscorea.
Where it is found
It is a subtropical plant. It grows in Uttar Pradesh in India between 1200-3000 m altitude. In southern China it grows on the edges of forests between 1,300-2,500 m above sea level.
Countries/locations it is found in
Asia, China, Himalayas, India, Nepal, Northeastern India, Pakistan, Sikkim, Tibet
How it is used for food
The tuberous roots are thoroughly washed, boiled and cooked as a vegetable. They are boiled or used in stir fries.
Edible parts
Tuber, root
How it is grown
Its other names
Local names
Ban-geithi, Ban gethi, Bon-zon-za-lu, Gethu, Hash, Huangshayue, Mag, y-Manghaii
Synonyms
Dioscorea tenuii R. Knuth.;