1. A North American vine with fragrant blossoms
   "The potato bean vine twined through the understory vegetation";
   - groundnut, groundnut vine, Indian potato, wild bean, Apios americana, Apios tuberosa
    
2. Nutlike tuber; important food of Native Americans
   "The archaeologists found evidence of potato bean consumption at the ancient settlement";
   - groundnut, wild bean
    
3. Twining plant of Amazon basin having large edible roots
   "Indigenous peoples traditionally cultivated potato bean for its nutritious roots";
   - yam bean, Pachyrhizus tuberosus

Derived forms: potato beans

Type of: tuber, vine

Part of: Apios, genus Apios, genus Pachyrhizus, Pachyrhizus

Encyclopedia: Potato bean