Sub-category: Pea family
Stems are trailing, up to 1 m long, herbaceous, multiple from the base, branching. Leaves are alternate, petiolate, trifoliolate, stipulate. All leaflets basically rotund, the terminal being larger than the laterals, all villous to pilose above and below, to 5 cm in diameter. Flowers are 1 cm broad, pinkish purple externally, whitish internally, glabrous, with two small white spots at base surrounded by dark purple. Keels and wings to 9 mm long, glabrous.
Found in acid soils, dry rocky woods, ridges, hilltops.