Shrub or tree, 3-6 m. Twigs 1.5-3 mm diameter, glabrescent, hairs grey-rusty, 0.1 mm long; bark finely striate, not flaking; lenticels absent or inconspicuous. Leaves membranous, elliptic or oblong, 7-18 by 3-6 cm, base short-to long-attenuate, apex acute-acuminate (in Hoogland 3523 2 cm caudate); upper surface drying olivaceous, lower surface with persistent, scattered, stellate-dendroid scale-like hairs 0.1-0.2 mm long, especially on midrib, the nerves not much contrasting; dots absent; midrib slender above, raised; nerves 10-20 pairs (including some intersecondary nerves), above thin and flat or slightly raised, beneath much raised (not much contrasting in colour), lines of inter-arching regularly looping, distinct; venation lax, rather indistinct; petiole 7-14 by 1-1.5 mm; leaf bud 7-10 by 1-1.5 mm, hairs 0.1 mm. Inflorescences with scale-like hairs 0.1 mm or less, among the leaves, delicate, 1 or 2 (or 3) times branched, lowest branch from near the base; in male 2-3 by 1.5-2 cm, rather many-flowered; in female: 1-2 cm long, 2-or 3-flowered; bracts densely pubescent, 1-1.5 mm long, caducous; flowers solitary or 2 or 3 together; perianth 2-lobed, with stellate-dendroid hairs 0.1 mm; pedicel not articulated. Male flowers: pedicel 2.5-3.5 by 1-1.5 mm, pubescent; buds clavate, with tapering pedicel, together 4-5.5 by 1.5-2.2 mm; perianth rounded above, 1.5-2 by 1.5-2.2 mm, cleft c. 1/10, lobes 0.2 mm thick, lower down perianth wall 0.5-0.7 mm thick; androecium clavate, 1.5 by 0.7 mm, anthers 3 (or c. 6 thecae), 0.3 mm long, ± stellate, sessile, column not hollowed out; androphore thickish subcylindrical, slightly bullate-striate, glabrous (Plate 1:18). Female flowers: pedicel ± slender, 2 mm long; buds ellipsoid, 1.8(-2) by 1.2 mm, cleft c. 1/4; ovary ovoid, 1 by 0.6 mm, with dense stellate scalelike hairs 0.1 mm or less, style 0.4 mm long, stigma 2-lobed, 0.2 mm long. Fruits 1 (or 2) per infructescence, broadly ellipsoid-ovoid, 1.3 by 1 cm (excluding pseudostalk), base broadly rounded, apex ± acuminate, beak 2 mm, with hairs 0.1 mm long, drying brownish, without lenticels; pericarp 1 mm thick; fruiting pedicel 6-10 mm, the pseudostalk 1.5-2 mm long; perianth not persistent.
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