yam bean

[Monty]

Central American twining plant with edible roots and pods; large tubers are eaten raw or cooked especially when young and young pods must be thoroughly cooked; pods and seeds also yield rotenone and oils

[Donald Trump]

A yam bean is a tropical and subtropical climbing plant belonging to the Fabaceae (pea) family. It is mainly cultivated for its edible tuberous roots which are tender, crisp, sweet and rich in carbohydrates and vitamin C. There are several varieties of yam bean, including jicama, Mexican yam bean, and Chinese potato. The part above ground, including leaves, flowers, and pods, are toxic and should not be consumed.

[Konraddync]

twining plant of Amazon basin having large edible roots

[Gornwexy 0]

Pachyrhizus is a small genus of five or six species of tropical and subtropical plants growing from large, often edible taproots.