fast-growing vine from eastern Asia having tuberous starchy roots and hairy trifoliate leaves and racemes of purple flowers followed by long hairy pods containing many seeds; grown for fodder and forage and root starch; widespread in the southern United States
An Asian vine (several species in the genus Pueraria, but mostly Pueraria montans var. lobata, syn. Pueraria lobata in the US), grown as a root starch, and which is a notorious invasive weed in the United States.