Tree 5-25 m. Twigs faintly ridged or not, 3-5 mm diameter, early glabrescent, hairs 0.1 mm; bark coarsely striate, not flaking; lenticels usually coarse and distinct. Leaves membranous or thinly coriaceous, elliptic-oblong to lanceolate, 17-30 by 4-11 cm, base attenuate, apex acute-acuminate; upper surface usually minutely pustulate, lower surface early glabrescent; dots absent; midrib flattish above; nerves 14-18 pairs, flat above, inconspicuous, lines of interarching below not very regular, distinct or not; venation lax, indistinct; petiole 6-12 by 2-5 mm, leaf bud 10-15 by 2-3 mm, with hairs 0.1 mm. Inflorescences subglabrous or with sparse stellate hairs 0.1-0.2(-0.3) mm, 2-4 times branched; in male: 7-15 by 6-10 cm; in female up to 10 by 4 cm, peduncle 0.5-2.5 cm; bracts caducous, not seen; flowers in loose clusters up to 5, with sparse hairs 0.1 mm, sometimes glabrescent towards the apex, perianth 2-lobed, pedicel not articulated. Male flowers: buds short-pear-shaped, somewhat compressed, about as broad as long or slightly longer than broad, 2.5-3.2 by 2.8-3.2 mm, apex bluntish to broadly rounded, the lower 2/3 ± gradually passing into the thickish tapering pedicel 2-5 mm long, cleft c. 1/2, lobes towards apex 0.2 mm thick, the perianth towards base thicker, firm-fleshy or coriaceous, 0.3-0.8 mm thick; androecium ± flattened, 1.8-2.1 by 1.1-1.8 mm, apex broadly rounded (Plate 2: 35); thecae 10 or 12, (or 18 or 20?), erect, 1.5-2 mm long, free apical parts 0.1-0.2 mm; androphore rather slender, 0.2-0.5 mm long; column narrowly hollowed for 1/6-1/3. Female flowers: pedicel 2-4 mm long; buds ovoid-ellipsoid, 2.5-4 by 2.5-3.2 mm, cleft c. 1/3; ovary ovoid, densely minutely pubescent, 2.5-3 by 1.8-2.5 mm, stigma sessile, minutely 2-lobed, 0.1 mm. Fruits 1-6 per infructescence, (broadly) ellipsoid, often ± ridged towards the base, rounded or tapering into a short pseudostalk, apex rounded, 3.5-4.5 by 2-3 cm, minutely pubescent towards the base, or glabrescent, drying blackish (brown), usually with conspicuous coarse, paler coloured lenticel-like tubercles; pericarp ± woody, (4-)5-10 mm thick; fruiting pedicel 5-10 mm; perianth not persistent.
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