Tree 15-25 m, 30-50 cm ø. Branchlets glabrous, dark greyish brown, sparsely lenticellate; terminal buds globose, c. 1 by 1 mm, scales ovate-acute. Leaves thick-coriaceous, (9-)15-20(-23) by (4½-) 7-8(-10) cm (index (1.6-)2.5(-3)), broadest about the middle; surfaces glabrous, above pale grey-green, glossy, beneath pale yellowish brown to glaucous; base acute to cuneate, top bluntly or sharply 1-2 cm acuminate; midrib prominent on both sides; nerves (11-)12-14(-16) pairs, obscure on both surfaces, subparallel, at an angle of 45-60°, arcuating but not anastomosing towards the margin; reticulation irregular, obscure; petiole 1½-2½ cm, 2-3 mm ø, glabrous, adaxially flat. Inflorescence male or female, sparsely stellate hairy; bracts and bracteoles ovate-acute, ⅔-1 by ⅔ mm. Male rachis 15-30 cm, 1-2 mm ø; ♂ flowers in clusters of 2-3, filaments 3-4 mm, anthers 0.3 mm long, pistillode subglobose, 1-1½ mm ø. Female rachis 15-23 cm, 1½ mm ø; ♀ flowers solitary, staminodes rudimentary, styles 3-4, conical, 1-1½ mm long. Ripe cupule sessile, cup-shaped, 5-6 mm long, 2-2⅓ cm ø; rim thin, covering the basal part of the fruit; wall woody, thin, inside densely greyish tomentose by adpressed simple hairs, outside densely greyish to fulvous adpressed stellate hairy; lamellae 5-6, thin, concentric, entire. Ripe fruit ovoid-conical, 2-2.4 cm long, 1.9-2.1 cm ø, densely greyish to brownish tomentose by ad-pressed simple hairs, top rounded-acute, base truncate, scar concave, 0.9-1 cm ø; wall woody, thinner than 1 mm, for the greater part free from the cupule.