Tree 10-15 m. Twigs ± flattened, sometimes faintly ridged, 1.5-4(-9) mm diameter, early glabrescent, hairs brown, 0.1 mm; bark finely striate, not flaking; lenticels small, not conspicuous. Leaves membranous, elliptic-oblong to oblong-lanceolate, 11-25 by 3.5-7 cm, base (long-)attenuate, apex acute-acuminate; upper surface drying dark brown, lower surface early glabrescent, hairs 0.1 mm; dots absent; midrib above flat; nerves 12-16 pairs, above thin and flattish, on lower surface lines of interarching not very distinct; venation on upper surface fine, ± distinct or not; petiole 5-10 by 1.5-2.5 mm; leaf bud 6-10 by 1-2 mm, with dense dull brown hairs 0.1 mm long. Inflorescences ± behind the leaves, 2 (or 3) times branched; in male: 4—6 by (l-)2-4 cm; branches subglabrescent, hairs 0.1 mm; peduncle 1-2 cm; in female: up to 2.5 cm long, caducous; bracts not seen; flowers (in male) solitary or 2 or 3 together, minutely pubescent (hairs 0.1 mm); perianth 2-lobed. Male flowers: pedicel 1.5-2 mm long, not articulated; buds subglobose to short pyriform, moderately compressed, 2.3 by 2.3 mm, apex broadly rounded, tapering basally into the pedicel, cleft c. 2/3, lobes 0.2-0.3 mm thick; androecium moderately flattened, 1.6 by 1.4 mm, upper part rounded (Plate 2: 32); thecae c. 12 (anthers c. 6 with ± broad connectives), 1.6 mm long, erect, free apical parts to 0.1 mm, androphore up to 0.1 mm long, column cleft 1/5-1/4. Female flowers not seen; immature fruits (ovaries) densely finely pubescent. Fruits 2-5 per infructescence, short-ellipsoid to subglobose, 1.1-1.2 by 1-1.1 cm, with hairs 0.1 mm or less, drying brown, with scattered small tubercles; pericarp 1 mm thick; fruiting pedicel slender, 4 mm long; perianth not persistent.
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