Shrub or slender tree up to 20 m with 10 m bole. Twigs with open tomentum of thin, ± adpressed hairs, glabrescent; the hairs short (c. 0.1 mm) or longer (c. 0.5+ mm), the longer ones mainly immediately below and on abaxial side of stipules. Leaves with petiole (8-)15-30(-35) mm, the blade elliptic to oblong or ovate, (4.5-)6-13(-15) by 2-5 (-6.5) cm, the nerves (7-)10-14(-16) on either side of midrib; apex and base obtuse to broadly acute, the base slightly decurrent along petiole; margin shallowly to dis-tinctly dentate; indumentum lacking. or midrib and nerves on both surfaces very shortly hirsute, early glabrescent; domatia in axils of secondary and sometimes tertiary veins, usually with hairs. Stipules ovate-lanceolate, 8-14 by 4-5 mm, villose with adpressed hairs to 0.5 mm long beneath, glabrous above, rounded at apex. Inflorescence up to 15 by 10 cm, with up to c. 400 flowers; peduncle and branches fairly densely and very shortly hirsute near base, to more sparingly so towards extremities. Flowers with pedicel 0.4-2.5 mm long, distinctly articulated, glabrous above articulation. Calyx 1.4-2.2 mm long, glabrous; lobes ovate, 0.6-1 mm wide, acute. Stamens in male flowers with filaments 1.8-2.8 mm long and anthers 0.2-0.35 by 0.4-0.5 by 0.15-0.2 mm. Disc lobes in male flowers 0.6-1 mm long, 0.2-0.25 mm wide at base, 0.3-0.4 mm wide at apex, with some stiff hairs up to 0.4 mm long near apex or wholly glabrous; in female flowers disc lobes 0.4-0.6 mm long, 0.15-0.2 mm wide at base and 0.2-0.3 mm at apex, glabrous. Ovary 2-5-, usually 4-carpellate; carpels 0.8-1 by 0.35-0.4 mm, fairly densely and shortly strigose-hirsute, the hairs c. 0.2 mm long, the styles 0.4-0.5 mm long. Fruit with fruitlets each 3-3.5 by 1-1.2 mm, each with 2 seeds. Seeds ovoid, c. 0.9 by 0.4 mm, the terminal wings 0.8 mm long.
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