Erect, rather compact shrublet to 30 cm. Leaves 3-foliolate, leaflets elliptic to suborbicular, flat, mucronate or spine-tipped, leathery, subglabrous, margins and main veins thickened. Flowers 2-4 at branch tips, yellow, fading bright or dark red, wings and keel silky, calyx shortly hairy, lobes awl-shaped, weak.