Tree 5-20(-40) m. Twigs 2-5 mm diameter, late glabrescent, hairs dense, rusty, woolly, 1-1.5 mm; bark striate, not flaking; lenticels abundant, conspicuous. Leaves membranous, elliptic or obovate to oblong-lanceolate, 9-27 by 4-10(-12) cm, base nearly rounded to attenuate, apex acute-acuminate; upper surface drying brown, faintly minutely pustulate or not, glabrous (glabrescent), lower surface with persistent dense dendroid hairs all of about the same size, (0.1-)0.5-0.8 mm long; dots absent; midrib ± flat, glabrescent above; nerves 7-15 pairs, flat or sunken above, lines of interarching ± regular, distinct; venation lax, faint; petiole 10-18 by 1.5-3 mm, pubescent; leaf bud ovoid-ellipsoid, 10-15 by 2-3 mm, with dense hairs 1.5 mm. Inflorescences with dense woolly hairs 1.5-2 mm long; in male: rather many-flowered, 3 or 4 times branched, 3-12 by 1.5-7 cm, peduncle 0.3-2.3 cm; in female: ± few-flowered, 2-6 cm long; bracts elliptic, densely woolly pubescent, 2-4 mm long, caducous; flowers (male) in small fascicles, perianth 3(-4-or 5-)lobed, glabrous; pedicel slender, in male glabrous, in female late glabrescent, not articulated, hairs 0.2 mm. Male flowers: pedicel 1-3 mm long; buds globose, 1.4-2.5 mm diameter, cleft nearly 1/2, lobes 0.1 mm thick; androecium much depressed-globose, above flattish or impressed, circular to blunt-triangular in cross section, 0.6-0.9 by 1.2-1.7 mm (Plate 2:54); thecae 18-24(-30?), almost completely sessile, incurved towards the apex; column broad, with apical hollow 0.2 mm deep; androphore narrow, 0.4-0.5 mm long. Female flowers: pedicel 1-2 mm long; buds broadly ellipsoid, 2.5 by 2.3 mm, cleft c. 1/3; ovary subglobose, 1.5 mm diameter, with appressed hairs 0.1-0.2 mm, style and stigma minute, faintly 2-lobed, 0.1 mm long. Fruits 1-5 per infructescence, ellipsoid, 1.5-2 by 1.3-1.6 cm, glabrescent, usually with minute indumentum remaining towards the base, usually minutely pustulate; pericarp 1.5 mm thick; fruiting pedicel 2-6 mm long; perianth not (or for a short period) persistent.
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