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General description and special characteristics – A leguminous, tuber-producing, annual vine. Tubers are eaten raw and remain crunchy when cooked. Yam bean can be used as a cover crop or trellised. The tuber is high in carbohydrates but is otherwise low in nutritional value. Leaves and seeds contain the toxin rotenone and may be used as an insecticide or fish poison. 

Variety - Lao