vines and flowers of an american groundnut (apios americana)

american groundnut apios americana potato bean hopniss indian potato hodoimo america-hodoimo cinnamon vine perennial beans tuber tubers edible forage foraging north america eat staple indigenous peoples people american consume leaves purple pink brown red-brown green dense raceme legume pod stem nitrogen fixation undomesticated crop root nature plant flower summer wild red outdoors healthy close-up