Erect shrub, 0.4-2 m tall, non-sprouting. Branchlets densely sericeous at flowering. Leaves flat and thick and narrowly obovate to linear, or ±terete to trigonous, 2-7.5 cm long, 1.2-9 mm wide, glabrous; marginal veins prominent; longitudinal veins 1-3, obscure above, faintly visible below. Inflorescences a solitary axillary umbelliform raceme, with 6-14 flowers; pedicels cream white, glabrous, rarely appressed-pubescent. Perianth cream-white. Pistil 5.5-7 mm long; gland a small flap, c. 0.5 mm high. Fruit shortly stalked, with supporting branch usually markedly thickened, obliquely ovate-elliptic, 2.1-3.7 cm long, 1.2-2 cm wide, scarcely beaked but ±prominently apiculate. Seed obliquely broadly ovate (almost triangular) to obliquely circular, 12-20 mm long; wing encircling the ±centred body, pale brown with blackish brown radiating streaks.