Leaf blades 5.5–13 × 1.8–8 cm, ovate or occasionally narrowly ovate, subacuminate to acuminate at apex, cuneate or sometimes rounded then equally or unequally tapering at base, coriaceous, dark green and shiny above, paler beneath; lateral nerves in c. 6 main pairs; tertiary nerves raised above; domatia present as small tufts of hair; petiole 1–2.5 cm long; stipules greenish or light brown when dry, 0.7–12 mm long, ovate-oblong to ovate, acute, with a midrib apparent, caducous usually only present at apex.
Inflorescences terminal, usually sessile often with subtending leaves reduced in size, congested, corymbose; primary inflorescence branches 1–2.5 cm long, mostly bifariously pubescent; pedicels absent or very short; bracteoles subtending the calyx tube, small, opposite with 2 or 4 scale-like lobes.
Large shrub or tree, up to 10 m high. Leaves distinctly petiolate, 12-25 mm long. Domatia conspicuous; leaf blades acute to acuminate at apex. Inflorescence terminal, frequently with additional pairs of axillary inflorescences arising from next 1 or 2 (or 3) nodes down. Flowers cream or white.
Corolla whitish; tube narrowly funnel-shaped, 3.3–4 mm long, glabrous outside, sparsely hairy inside; lobes 2.75–3 × 1.5–2 mm, rounded.
Seed blackish-brown, spherical, 3–4 mm in diameter, finely reticulate; hilar cavity small, irregular; endosperm deeply ruminate.
Small tree 3–8(12) m tall, glabrous; young branches square in section, covered with buff to pale grey bark.
Calyx tube 0.75–1 mm long; limb up to c. 1 mm long, divided almost to base into rounded teeth.
Fruit black when dry, 6–7 mm in diameter, spherical, 1-seeded; calyx limb persistent.
Placenta small, bearing 2–3 pendulous ovules.
Style pubescent.