Tree (3-)7-24 m. Twigs terete or faintly angular, 1.5-4(-7) mm diameter, early to late glabrescent, hairs short or long-shaggy, 0.2-1 mm long; bark coarsely striate, flaking or not, lenticels inconspicuous or absent. Leaves chartaceous or coriaceous, elliptic (-oblong), 4-14 by 2-6 cm, base (short-)attenuate, apex rounded or (sub)acute; upper surface glabrous (base of midrib late glabrescent), drying olivaceous to blackish, lower surface glabrous but very base and midrib late glabrescent, drying chocolate, not much contrasting with upper surface; dots absent; midrib raised above, nerves 6-11 pairs, flattish to raised above, lines of interarching indistinct; venation lax, faint on both surfaces; petiole 5-16 by 1.5-2.5 mm, late glabrescent; leaf bud 5-10 by 1.5-4 mm with hairs 0.2-1 mm long. Inflorescences behind the leaves, sparsely or densely pubescent, hairs 0.2-1 mm long (see note); in male: 3 or 4 times branched, sometimes many-flowered, 4-12(-16) by 3-10 cm, peduncle 0.5-2 cm long, the flowers in loose clusters of 3-10 each; in female: few-flowered, 2-6 cm long; bracts ovate to ellipsoid, 2.5-6 mm long, pubescent, caducous; flowers glabrous, perianth 3-or 4-lobed, pedicel in male not articulated, in female ± articulated (always?). Male flowers: pedicel 1-1.5 mm; buds (sub)globose, (1.2-) 1.4-2 mm diameter, cleft c. 1/3 to nearly 1/2, not or slightly collapsing on drying, lobes (0.2-)0.3 mm thick; androecium (depressed) globose, apex rounded, base rounded, ± truncate, or sagged, (0.5-)0.6-1.1 by 0.8-1.1 mm, subcircular in cross section (Plate 3: 80); thecae (16-)18-26, almost completely sessile, 0.8-1.2 mm long, ± curved, free apices to 0.1 mm; column broad, with shallow apical cavity or slit 0.1-0.2 mm deep; androphore narrow, 0.3-0.5 mm long, hidden by the anthers, thus making the androecium look sessile. Female flowers: pedicel 1.5 mm long; buds ellipsoid-obovoid, 2 by 1.8 mm, cleft c. 1/3; ovary ellipsoid, 1.5 by 1.3 mm, glabrous, stigma minutely 2-lobed, 0.1-0.2 mm high. Fruits 2-9 per infructescence, ellipsoid, base rounded, slightly contracted towards the fruiting pedicel, apex rounded or ± acute, 2-2.7 by 1.3-1.7 cm, glabrous, with or without few small lenticel-like tubercles, pericarp 1.5-2 mm thick; fruiting pedicel 2-4 mm long, at base ± articulated; perianth not persistent.
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