- Pachyrhizus, genus Pachyrhizus - small genus of tropical vines having tuberous roots
--1 is a kind of rosid dicot genus
--1 is a member of Papilionoideae, subfamily Papilionoideae
--1 has members:yam bean, Pachyrhizus erosus; yam bean, potato bean, Pachyrhizus tuberosus