Tree 4-10 m. Twigs 3—10(—16) mm diameter, early glabrescent, hairs grey-brown, 0.1 mm; bark coarsely or finely striate, tending to flake, drying somewhat pale, yellow-brown or light grey-brown, generally contrasting with the blackish brown of the petioles; lenticels usually not conspicuous. Leaves chartaceous-coriaceous, rarely ± membranous, (elliptic-)oblong, 13-35 by 5-11 cm, base long-or sometimes short-attenuate, apex acute-acuminate; upper surface drying bright dark brown, finely wrinkled-granulate, glabrous, lower surface early glabrescent (glabrous); dots absent; midrib above flat; nerves 13-18 pairs, flat above, lines of interarching indistinct; venation lax, faint or invisible on both surfaces; petiole 10-16 by 2-4 mm, glabrous or early glabrescent; leaf bud 9-13 by 2-3 mm, hairs grey-brown, 0.1 mm long. Inflorescences with dense to sparse hairs 0.1 mm or less; in male: below the leaves, many-flowered, 3 or 4 times branched, 6-17 by 5-14 cm, peduncle 1-3 cm long; in female: ramiflorous, rather many-flowered, 1-2 cm long; bracts elliptic to oblong, 4-10 mm long, pubescent, caducous; flowers glabrous, in male in loose clusters of 3-9, perianth 3-lobed, pedicel not articulated. Male flowers: pedicel 1-1.5 mm long; buds (sub)globose, 1.9-2.1 by 1.8-2 mm, cleft 1/3-1/2, not collapsing on drying, lobes 0.2 mm thick; androecium (sub)globose, 1-1.2 by 1-1.3 mm, circular in cross section (Plate 2: 61); thecae 18-22, completely sessile, without free apices, incurved, concealing a small apical cavity 0.2-0.4 mm deep; column broad, ± spongy, androphore rather narrow, 0.2-0.5 mm long, completely hidden by the anthers. Female flowers: pedicel 1-1.5 mm long; buds ellipsoid, 3.5 by 2.5 mm, cleft c. 1/3, lobes 0.3-0.4 mm thick; ovary ellipsoid, 2 by 1.5 mm, glabrous, stigma consisting of two broad lips 0.2 mm high. Fruits 2-11 per infructescence, ellipsoid, 1.6-2 by 1.2-1.5 cm, glabrous, drying brown, the surface finely granulated; pericarp 1.5 mm thick; fruiting pedicel 1-2 mm long; perianth not persistent.
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