Single, pubescent dewline. Stems 15-40 cm, shallow or erect, rounded. Leaf fragments 8-25 x 5-15 mm, wrapped-egg-like or rhombic. Sutsvіttya z 2-6 kvіtіv on stems 10-50 mm. Vinochok 6-9 mm, zhovtiy. Fruit 20-45 x 2-3 mm. Blossom from birch trees to worms.
Pubescent annual 10-50 cm. Leaves petiolate; leaflets 8-30 x 4-16 mm, the upper 3 obovate to rhombic, the lower 2 ovate-rhombic, cordate or cuneate at base. Heads 2- to 5-flowered; peduncles equalling or slightly longer than leaves. Lateral calyx-teeth very short, obtuse; corolla 7-10 mm. Legume 20-50 x 2-3 mm, torulose, curved.