Pachyrhizus

About

Pachyrhizus is a genus of flowering plants in the legume family, Fabaceae. It includes five or species of herbs and subshrubs native to the tropical and subtropical Americas, ranging from northern Mexico to northwestern Argentina. Typical habitat is seasonally-dry tropical forest and thicket, often at forest margins, in scrub vegetation, and in open grassy areas. Plants in the genus grow from large, often edible taproots.

Summary from Wikipedia