Leaves turning scarlet or crimson before falling; leaf blades 5–18 × 2–11.5 cm, elliptic to obovate, abruptly acuminate at the apex, cuneate at the base, glabrous above and beneath save around the domatia in the axils of the main nerves or puberulous to quite densely tomentose beneath in some forms; venation reticulate beneath; petiole 0.4–4 cm long, glabrous to pubescent; stipules 0.8–1.2 cm long, triangular to lanceolate or strap-shaped, acute, often bifid, usually with glandular margins but otherwise glabrous.
Inflorescences terminal, 6–22 × 2.5–3 cm, cylindrical, dense, raceme-like; peduncle 0.5–6 cm long, glabrous to densely pubescent as in the rhachis and pedicels; pedicels 2 mm long (9 mm long in fruit); main petiolate bracts at the base of the inflorescence yellowish-green to red, 3.5–10 × 1.1–3.2 cm, elliptic-lanceolate, acute, rather rigid and strongly reticulate; petiole 2–5 cm long; secondary bracts 5 × 0.5 mm, linear-lanceolate; flowers sweet-scented.
Corolla red, yellowish-red or greenish-yellow tinged purplish-brown; tube 4–7 mm long; lobes 5–6 short, 0.8 mm long and wide, narrowly ovate or triangular; style cream-coloured tinged red, 0.8–1 cm long, exserted 2.5–6 mm; pollen presenter greenish or yellow, 0.8–1 mm long.
Seeds pale brownish straw-coloured with a darker nucleus, 0.7–1 cm × 2.5–4 mm, very compressed, the nucleus 2–2.5 × 1–1.5 mm, the wing markedly bifid at the base, the testa strongly reticulate.
Calyx tube 1.5 mm long, hairy; limb-tube ± absent; lobes 5–6, narrowly ovate, linear or triangular, about 0.5–1 mm long, puberulous.
Shrub or small tree (1.5)4–9 m tall with grey-black usually rough flaking reticulate bark; branchlets glabrous or pubescent.
Capsule brownish with pale lenticels, 1–1.5 cm × 4–7 mm.