Tree 15-33 m, 50-60 cm ø, buttresses c. ⅔ m tall; bark smooth, lenticellate, yellowish grey. Branchlets initially densely fulvous to rufous tomentose by stellate hairs, soon glabrescent, dark greyish brown, smooth or sparsely lenticellate; terminal buds ovoid, 1½-2 by 1-2 mm, scales ovate. Leaves thin-coriaceous, (8-) 10-12 (-13) by 4-5 cm (index 2-3), broadest at or below the middle; surfaces slightly discolorous, above glabrous, glossy, greenish to chocolate-brown, beneath densely glaucous tomentose by adpressed minute stellate hairs; base rounded acute, top abruptly acute to 1-1½ cm acuminate; midrib prominent beneath, flat above; nerves 10-12 pairs, thin, prominent beneath, flat to impressed above, parallel, at an angle of 50-60°, arcuating but not anastomosing towards the margin; reticulation fine, dense, scalariform, distinct beneath; petiole 1½-2½ cm, 1-1½ mm ø, adaxially flat or shallowly furrowed. Inflorescence male or androgynous, simple, densely fulvous tomentose by adpressed stellate hairs; bracts and bracteoles ovate-acute, ⅔-1 by ½-⅔ mm. Male rachis c. 10 cm, 2 mm ø; ♂ flowers solitary or in clusters of 2-3, perianth 6-lobed, stamens 12, filaments 3-4 mm, anther 0.35 mm long, pistillode globose, 1-1½ mm ø, densely whitish tomentose, Androgynous rachis c. 10 cm, 2 mm ø; female flowers solitary, perianth 6-lobed, staminodes 12, rudimentary, styles 3-5, conical, 1-1½ mm, connate. Young cupule 1-1½ cm stalked, globose, densely rufous-tomentose by adpressed stellate hairs. Ripe cupule on a peduncle 1-2 cm long, c. 1 cm ø, ovoid, rounded-acute at both ends, 2-2½ cm long, 2½-3 cm ø, enclosing the fruit except for an opening of 3 mm; wall thinner than 1 mm; inside densely fulvous-tomentose with adpressed, simple hairs, outside smooth or with obscure longitudinal streaks, densely glaucous adpressed stellate-tomentose. Ripe fruit ovoid, 2-2⅓ cm long, 2½-2¾ cm ø, densely fulvous-tomentose by adpressed simple hairs, top rounded-acute, base rounded, scar deeply concave, c. 2 cm ø, wall woody, c. 1 mm thick, for the greater part free from the cupule.