WordWeb Online

1. Twining plant of Amazon basin having large edible roots
   - potato bean, Pachyrhizus tuberosus
    
2. 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
   - Pachyrhizus erosus

Derived forms: yam beans

Type of: vine

Part of: genus Pachyrhizus, Pachyrhizus

Encyclopedia: Yam bean