Tree 5-18 m. Twigs 5-10 mm diameter, early or late glabrescent, hairs light rusty or yellow-brown, 0.5-1 mm long; bark finely striate, not flaking; lenticels present but not distinct. Leaves membranous, (oblong-)lanceolate, 30-60 by 7-11 cm, base nearly rounded or (short-)attenuate, apex long acute-acuminate, usually 1-2 cm caudate; upper surface drying dull olivaceous, minutely palely punctate-pustulate, lower surface with persistent pale brown rather soft dendroid hairs of variable size 0.5-1 mm, when shed not leaving thickened rough hair bases; dots absent; midrib flat above, glabrescent except at the very base; nerves 30-40 pairs, generally ± straight, 8-15(-20) mm apart, thin and flat above, lines of interarching rather distinct, ± irregularly looping; venation lax, indistinct; petiole 5-16 by 3-4 mm, not or hardly winged; leaf bud 4-6 cm long, with dense velvety hairs (0.5-)l mm. Inflorescences with woolly hairs 1-1.5 mm long; in male and female: 2 or 3 times branched, rather many-flowered, 4-20 by 3—10(—12) cm, peduncle 0.5-5 cm long; bracts broadly ellipsoid, subacute, 5-10 mm long; flowers in loose clusters of 3-6, perianth 2-lobed, glabrous except at the very base, pedicel with hairs 0.3-0.8 mm long, not articulated. Male flowers: pedicel l(-2) mm long; buds obovoid-ellipsoid, at apex ± acute, 2-2.3 by 1.5-1.7 mm, cleft c. 1/4, lobes 0.2 mm thick. Androecium 1-1.1 by 1.2-1.3 mm, somewhat flattened, apex broadly rounded, column narrowly hollowed for c. 1/4 (Plate 2: 39); thecae 20-24, almost completely sessile, erect, mutually touching, 1-1.2 mm long, free apices c. 0.2 mm; androphore slender, 0.3-0.4 mm long. Female flowers: pedicel 1-1.5 mm; buds obovoid, 4 by 2.5-3 mm, cleft c. 1/4; ovary ovoid, 2 by 1.5 mm, with dense hairs 0.5 mm, style and stigmas minutely 2-lobed, ± elongate, 0.2 mm long. Fruits 2-10 per infructescence, sub-ellipsoid, apex ± obtuse, base broadly rounded, 2.5-3 by 1.5-1.9 cm, with hairs 0.5 mm long, and with lenticel-like tubercles; pericarp 3-5 mm thick; fruiting pedicel 1-3 mm long; perianth not persistent.
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