A small to medium-sized tree up to 12 m.
Petioles 0.5–3 cm. long, distally and proximally pulvinate; leaf-blade broadly ovate to elliptic-ovate, (4–)10–15 cm. long, (2–) 4.5–9 cm. wide, obtusely acuminate, cuneate, rounded, truncate or shallowly cordate, entire, firmly membranous or slightly coriaceous, 3(–5)-nerved from the base, lateral nerves 5–7 pairs, midrib and main nerves scarcely prominent above, fairly prominent beneath, glabrous above and beneath except for minute tufts of hairs in the axils of the main nerves beneath, medium green above, paler beneath.
Young shoots and petioles glabrous.
Seeds 9–10 mm. long, smooth, somewhat shiny, dark brown.
Fruit 1.3–1.5 cm. long, 1.2 cm. diameter, smooth, evenly finely pubescent.
Stipules lanceolate, 2–3 mm. long, very fugacious.
Female flowers: pedicels 3–4 mm. long, evenly pubescent; calyx-lobes triangular, 1 mm. long, acute or subacute, pubescent without, glabrous within, green; petals suborbicular, 3–4 mm. long, rounded at the apex, glabrous, creamy; disc 1.5 mm. diameter; ovary 1.5 mm. diameter, densely fulvous tomentose; styles 1–1.5 mm. long.
Female inflorescences up to 10 cm. long; axis glabrous; bracts 1-flowered, otherwise as in the ♂ inflorescence.
Male flowers: pedicels up to 4 mm. long, sparingly pubescent; calyx-lobes ovate, 2–3 mm. long, obtuse, pubescent without in the upper half, glabrous within; petals suborbicular-obovate, 3–3.5 mm. long, rounded at the apex, glabrous without, pubescent within at the base, white or creamy white; disc-glands subglobose; stamens 3–4 mm. long, filaments glabrous, anthers 1 mm. long, white.
Male inflorescences up to 20 cm. long; axis glabrous; bracts ovate-lanceolate, 3 mm. long, acutely acuminate, glabrous, several-flowered.
Twigs, petioles and inflorescence axes glabrous.
Petioles 0.5–3 cm long, pulvinate.
Trunk buttressed, or slightly fluted at the base.
Female inflorescences up to 19 cm long; bracts 1-flowered.
Male flowers: pedicels up to 4 mm long, glabrous; calyx lobes 2–3 × 2 mm, ovate, obtuse, pubescent without, glabrous within; petals 3–3.5 × 2–2.5 mm, obovate-suborbicular, rounded, glabrous without, pubescent within at the base, creamy-white; disk glands subglobose; stamens 4–5 mm long, anthers 1 mm long, white.
Male inflorescences up to 23 cm long; bracts resembling the stipules, but slightly larger.
Stipules 1.5 mm long, lanceolate, soon falling.
Seeds 9 × 6.5 mm, ovoid-ellipsoid, smooth, ± shiny, dark brown.
Fruit 1–1.5 × 0.9–1.4 cm, ± smooth or shallowly muricate, evenly pubescent.
Female flowers: pedicels 3–4 mm long, pubescent; sepals 1 mm long, triangular, subacute, pubescent without, glabrous within, green; petals 3–4 × 2.5 mm, suborbicular, rounded, glabrous, pale yellow or creamy-green; disk 1.5 mm in diameter; ovary 1.5–2 mm in diameter, densely fulvous-tomentose; styles 1–1.5 mm long.
Leaf blades 4–13 × 2–7 cm, elliptic-ovate, acuminate at the apex, entire or subentire on the margins, cuneate to rounded or ± truncate at the base, firmly chartaceous to thinly coriaceous, glabrous except for the domatial hair tufts on lower surface; main nerves 3–5 from the base, lateral nerves in 5 pairs.