- yam bean, potato bean, Pachyrhizus tuberosus - twining plant of Amazon basin having large edible roots
--1 is a kind of vine
--1 is a member of Pachyrhizus, genus Pachyrhizus - yam bean, Pachyrhizus erosus - 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
--2 is a kind of vine
--2 is a member of Pachyrhizus, genus Pachyrhizus