Pachyrhizus
noun
Pachy·rhi·zus
ˌpakə̇ˈrīzəs
: a small genus of tropical herbaceous vines (family Leguminosae) with a tuberous root, trifoliate leaves, and white or purplish flowers see yam bean
Word History
Etymology
New Latin, from Greek pachyrrhizos having a thick root, from pachy- + -rhizos (from rhiza root)