Tree 8-20 m; young branchlets fulvous-hirsute or-tomentose, the old ones entirely glabrous, terete, covered with a thin, greyish peeling bark; lenticels sparse, orbicular-elliptic; bark grey or brownish-grey. Leaves elliptic-oblong, shortly obtusely or subacutely acuminate, cuneate at the base, rigidly chartaceous, upper surface olivaceous when dry, glabrous, rather dull, lower surface densely covered with a rufous, soft tomentum of ± spreading hairs specially on midrib, nerves, and veins, 13-20(-25) by (5-)6-9(-10) cm; midrib flat or somewhat immersed and tomentose in the lower half above, very prominent beneath, nerves (6-)7-9(-10) pairs, curved-ascending and ex-current along the margin, little or not prominent above, manifestly prominent beneath, veins ± transverse and prominent beneath, reticulations slightly prominent on both sides; petiole rufous-tomentose, 1½-3(-4) cm, rather stout, 1.5-2 mm diam. ♂ Racemes many-flowered, up to 11 cm, fulvous-hirsute; pedicels 3-4 mm; Female racemes similar, but mostly shorter, their rhachis stouter and the flowers less densely arranged; pedicels 4-5 mm. ♂ Flowers only known in bud; staminal column glabrous. ♀ Inflorescences not yet known. Very young fruits broadly obovoid, fulvous-tomentose, with short filiform staminodes (without anthers).