Branchlets glabrous to densely puberulent. Leaves papery to subcoriaceous; petiole 0.6-3.4 cm long; blade ovate to elliptic, rarely obovate, 2.5-22 by 0.9-13 cm, 1.3-3.5 times as long as wide, apex acuminate, base cuneate to subcordate, 5-10 pairs of secondary veins, curved ascending, sparsely puberulent on midrib and in nerve axils, only in nerve axils or glabrous, often punctate all over beneath. Inflorescence terminal and axillary forming panicles; puberulent, especially in upper parts, 1.5-12.5 cm long; pedicels 0.9-3.6 mm long. Sepals ovate or oblong, 0.7-3 by 0.5-1.4 mm, 1.1-2.8(-4.4) times as long as wide, apex acute to rounded, puberulent. Corolla greenish white; corolla lobes valvate in bud; bud subglobular to ovoid, open corolla urceolate; tube l-2.3 mm long, 1.4-3.3 times as long as lobes; lobes triangular, 0.6-1.2 by 0.5-1 mm; pubescent outside, pubescent to almost glabrous inside. Stamens inserted at 0.2-0.5 mm from corolla base which is 0.1-0.3 of tube length; filament 0.3-0.9 mm long; anthers 1-1.6 by 0.3-0.6 mm, 2.2-4 times as long as wide. Disk 5-crenate to almost annular; 0.2-0.7 mm long. Ovaries 0.3-0.7 mm long; style and style head 0.5-1.4 mm long. Fruit linear to fusiform, glabrous, 7-27 cm by 3-10 mm. Seeds: grain 8.5-15.2 by 1.4-3.1 mm; coma 1.9-5.5 cm long.
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