Branchlets glabrous. Leaves: petiole 7.5-17 mm long; blade elliptic to oblong, rarely obovate, 4.6-16.9 by 1.6-5.2 cm, 2.4-5.1 times as long as wide, apex acuminate, base rounded to cuneate, 11-29 pairs of secondary veins, not prominent, tertiary venation obscure, glabrous above and beneath, glaucous beneath. Inflorescence of large terminal panicles, glabrous, 9-22 cm long; pedicels 2.1-7 mm long, bracteoles at base. Sepals ovate, 0.8-1.6 by 0.5-0.8 mm, 1.3-2.8 times as long as wide, apex obtuse to acute, glabrous. Corolla yellow-green; tube 1.9-4(-4.7) mm long, 0.5-0.8 times as long as lobes; lobes strap-shaped, falcate, 3-8.5 by 0.7-1.8 mm; glabrous outside, pubescent on inside of lobes and in tube. Stamens inserted at 0.4 mm from corolla base which is 0.2 of tube length; anthers 1.2-1.6 by 0.4-0.5 mm. Disk 5-crenate or 5-dentate, 0.4-0.6 mm long, 1-1.2 times as long as ovary. Ovaries 0.4-0.6 mm long; style and style head 0.6-1.2 mm long. Fruit thin walled; 8.3-11.5 by 1-1.2 cm. Seeds: grain 16-20 by 4.5-6 mm; beak 7-22 mm long; coma 3.5-4.5 cm long.