Robust shrub, 0.4-1.3 m. Leaves 3-foliolate, leaflets linear to awl-shaped, slightly flattened, glabrous or ciliate. Flowers few at branch tips, large, cream-coloured, sometimes yellow, wings and keel glabrous, blade 16-18 mm long, calyx silky, upper two lobes broadly triangular, larger than three lower lobes.