Purple Yam

Purple Yam

Scientific name:  Dioscorea alata L.

Local name: ‘Kath Alu’, ‘Kham Alu’, ‘Gach Alo’






Taxonomic Position According to Cronquist (1981)

Kingdom Plantae
Division Magnoliophyta
Class Magnoliopsida
Order Diocoriales
Family Dioscoreaceae
Genus Dioscorea
Species alata

Botanical Description


Habitat: climber.


Stem: angular

Leaf: chordate, dark green.

Economic Importance: Tubers are boiled with arums, mushrooms, cooked with vegetables and mixed with rice. Tuber paste is applied on cancerous wounds, leprosy, gonorrhea, blood pressure and in skin diseases.


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