Diffuse spreading shrub to 0.5 m tall; stems angular, glabrous or appressed-pubescent. Leaves usually in whorls of 3, lanceolate to linear-oblong, mostly 10–25 mm long, 2–4 mm wide, lower surface glabrous or with a few scattered hairs, upper surface glabrous, reticulate, margins recurved, apex acute, pungent-pointed; petiole to c. 1 mm long. Inflorescence an axillary cluster or umbel-like terminal raceme; pedicels to c. 2 mm long, silky. Calyx 3–4 mm long, sparsely pubescent, teeth shorter than tube, upper 2 almost completely fused; corolla 8–9 mm long, pink to purple, rarely white; standard reniform, deep pink with purplish markings; keel much shorter than wings, dark purplish; ovary shortly stipitate, glabrous, ovules 2. Pod ovoid, c. 5 mm long, beaked, glabrous, dark brown; seeds usually 2, c. 2.5 mm long. Flowers Oct.–Dec.
