reddish-pink flowers of the 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 flower nature plant leaf branch summer macro flora close-up