Apios tuberosa

Apios americana (or tuberosa), sometimes called the potato bean, hopniss, Indian potato, hodoimo, America-hodoimo, cinnamon vine, American groundnut, or groundnut (but not to be confused with other plants sometimes known by the name groundnut) is a perennial vine that bears edible beans and large edible tubers https://en.wikipedia.org/wiki/Apios_americana