Herbs, erect, 50-70 cm tall. Stem simple or with a lateral branch at base, densely white strigose. Leaves 3-foliolate; petiole 12-14 cm; terminal leaflet blade broadly ovate, 5-7 × 3.2-5 cm, both surfaces densely white strigose, base broadly cuneate-rounded, apex acuminate; lateral blade narrowly ovate, slightly smaller, base oblique. Fruiting inflorescences racemose, terminal. Legume 2-jointed; articles obliquely narrowly triangular, 8-10 × 3-4 mm, minutely hooked pubescent, base obliquely cuneate, apex concave; stipe 5-6 mm; fruiting pedicel ca. 5 mm. Fl. unknown, fr. Sep-Oct.