Tree 5 m. Twigs 1.5-3.5 mm diameter, early glabrescent, hairs greyish, less than 0.1 mm; bark finely striate, not flaking; lenticels rather inconspicuous. Leaves membranous, (oblong-)lanceolate, 7-11 by 2-3 cm, base attenuate, apex acute-acuminate, upper surface drying dull olivaceous, lower surface bright brown, early glabrescent, hairs sparse, less than 0.1 mm; dots absent; midrib slightly raised above; nerves 10-13 pairs, above slender, flat; lines of interarching faint though regularly looping; venation inconspicuous on both surfaces; petiole 8-10 by 1-1.5 mm, leaf bud 10 by 1 mm, with hairs less than 0.1 mm. Inflorescences glabrescent or thinly set with stellate hairs 0.1 mm or less, slender; in male: 2 or 3 times branched, 3-4 by 1.5-2.5 cm, rather few-flowered, peduncle 1-1.5 cm; flowers solitary or in loose clusters of 2 or 3, glabrous, perianth 2-lobed, pedicel not articulated, bracts not seen, caducous. Male flowers: pedicel slender, 1.5-3 mm long; buds slightly laterally compressed, transversely ellipsoid, 2-2.2 by 2.5-2.7 mm, above and below broadly rounded, drying brown, not collapsing on drying, cleft 2/3-4/5, lobes firm, 0.2(-0.3) mm thick; androecium ± flattened, broadly obovoid to transversely short-ellipsoid, 1.2-1.3 by 1.4-1.5 mm, 0.8-0.9 mm thick (Plate 1: 10); thecae 28 or 30, closely set, basally connate and forming a saucer-shaped cup into which the anthers at one side inflect deeply nearly to the base, clasped and covered by the other anthers, the inflexed parts of the anthers mutually free; androphore narrow, (0-)0.1 mm long. Female flowers and fruits not seen.
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