Subshrubs, to 20 cm tall, densely spreading white villous throughout. Rhizome creeping; stems numerous, simple, procumbent or ascending. Leaves 3-foliolate; leaflets oblong-linear, terminal one 1-2.5 × 0.3-0.6 cm, base cuneate, apex emarginate or obtuse, mucronate. Flowers 1-3, axillary. Calyx 7-8 mm, 5-parted; upper 2 lobes connate at base, free at apex. Corolla pink, with purple spots, ca. 2 × as long as calyx; standard broadly elliptic, ca. 10 × 5 mm, claw with incurved appendage at upper part; wings oblong, ca. 10 × 2.5 mm, base auriculate and long clawed, apex obtuse; keel ca. 9 × 2 mm, apex obtuse. Ovary pilose, stipitate. Fruit not seen. Fl. Jun-Sep.