Shrub to 1.5 m high, glabrous. Branches smooth, with 1 narrow wing decurrent from each leaf base. Leaves narrowly to broadly elliptic, 30–60 mm long, 4–13 mm wide, entire, flat or slightly recurved on margins, acute to obtuse, apiculate. Flowers axillary; pedicel 5–13 mm long, 5-grooved, with 2 pairs of basal bracteoles c. 1 mm long. Sepals c. 3 mm long and 2.5 mm wide, ciliolate, otherwise glabrous. Petals elliptic, 12–20 mm long, 4–7 mm wide, pink to purple, chartaceous when dry. Stamens: filaments narrowly oblong, woolly-ciliate; anther apiculum 2–3 mm long, densely woolly. Stigma large, sessile or subsessile. Seed ovoid-reniform, 3.8–4.5 mm long.