pachyrhizus : Idioms & Phrases
genus pachyrhizus
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noun small genus of tropical vines having tuberous roots
Pachyrhizus.
WordNet
pachyrhizus erosus
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noun 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
yam bean.
WordNet
pachyrhizus tuberosus
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noun twining plant of Amazon basin having large edible roots
potato bean; yam bean.