Branchlets glabrous. Leaves: petiole 0.6-2.1 cm long; blade elliptic, oblong or obovate, 6.1-16.1 by 2.6-7.6 cm, 2.1-3.8 times as long as wide, apex acuminate, base cuneate to rounded, 9-13 strong pairs of secondary veins, tertiary venation weaker, oblique when visible, glabrous above and beneath. Inflorescence of axillary cymes, sometimes also terminal, minutely puberulent, rarely glabrous, 1.8-10.2 cm long; pedicels 1.1-3.8 mm long, bracteoles at base. Sepals ovate, 1.1-2.4 by 0.6-1.2 mm, 1.4-2.7 times as long as wide, apex rounded to acute, glabrous, ciliate. Corolla white or yellowish; tube 1.6-3.4 mm long, 0.4-0.7 times as long as lobes; lobes strap-shaped, falcate, 3-6.2 by 0.7-1.7 mm; glabrous outside, pubescent on inside of lobes and in tube. Stamens inserted at 0.5-0.9 mm from base, 0.2-0.3 of tube length; anthers 0.9-1.2 by 0.3-0.4 mm. Disk 5-crenate, 0.3-0.5 mm long, 0.6-1 times as long as ovary. Ovaries 0.4-0.5 mm long; style and style head 0.7-1 mm long. Fruit 11.1-15 by 1.1-1.8 cm. Seeds: grain 12.5-17.6 by 5.4-7.4 mm; beak 6-9 mm long; coma 5.4-9 cm long.
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