genus Pachyrhizus, Pachyrhizus - small genus of tropical vines having tuberous roots

vine - weak-stemmed plant that derives support from climbing, twining, or creeping along a surface

groundnut, wild bean, potato bean - nutlike tuber; important food of Native Americans

Apios, genus Apios - twining perennial North American plants

vine - weak-stemmed plant that derives support from climbing, twining, or creeping along a surface

Apios americana, Apios tuberosa, groundnut, groundnut vine, Indian potato, wild bean, potato bean - a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans

tuber - a fleshy underground stem or root serving for reproductive and food storage