Large erect shrub or small tree, glabrous except for silky hairs on very young shoots and lvs. Shoots angular. Lvs sessile to shortly petiolate, flattened, 60-110 × 5-15 mm, narrowly elliptic-oblong or narrow-elliptic, entire, coriaceous; base attenuate; apex acute, not spiny. Fls in fascicles of up to c. 20. Pedicels 3-7 mm long. Perianth white, < pedicel; limb curled back against tube. Ovary sessile; style glabrous; stigma cone large, oblique. Fr. 2-2.7 × 1.3-1.6 cm, tuberculate; beak curved. Seed 15-20 × 5-7 mm (including wing), black; wing extending down 1 side.