Vicia americana is a(n) perennial forb, which grows 1 m to 3 m in height. This species is commonly found from low to high elevatoins througout the Black Hills area, in a variety of dry, open to moist, shaded habitats; mixed grass prairie, sagebrush steppe, meadows, pine forest, and deciduous woodlands. The leaves are even-pinnate, short-petioled to sessile, terminated by simple or branched tendrils. Vicia americana has bluish-purple flowers that bloom from May to July