Shrub or tree 1–8 m high; branchlets pubescent. Leaves rigid, terete, 3.5–10 cm long, 1.3–2 mm wide, not grooved, white-pubescent when young; apex straight, rarely curved. Inflorescence 18–45-flowered; rachis 6–14 mm long, white-woolly-pubescent; pedicel 2–6.5 mm long, glabrous; perianth 3–4.5 mm long, white, glabrous; pistil 7–11 mm long; pollen presenter an oblique disc. Fruit obliquely ellipsoid, 1.7–3.2 cm long, 1–2 cm wide, smooth, sometimes sparsely warted, beaked for c. one-third its length, horns obscure; seed not occupying whole valve face, with wing decurrent half to fully down one side only, cream to brown-white, sometimes darker at base.  Flowers predominantly Oct.–Dec.