Branchlets glabrous, sparsely puberulent or tomentose; rarely lenticellate. Leaves: petiole 0.5-1.7 cm long; blade elliptic or weakly obovate, 3.7-13.7 by 1.2-6.4 cm, 1.7-3.9 times as long as wide, apex acuminate, base cuneate to obtuse, 6-12 pairs of secondary veins, gradually ascending, tertiary venation loosely reticulate; glabrous, sparsely puberulent on midrib beneath or puberulent all over beneath; punctate beneath. Inflorescence 6-25 cm long; sparsely to densely tomentose; pedicels 3-9 mm long. Sepals ovate, 1.2-2.1 by 1.2-1.8 mm, 1-1.4 times as long as wide, apex rounded, sparsely puberulent. Corolla pink or red; tube 2.3-4.7 mm long, 0.8-1.1 times as long as lobes, glabrous outside and inside except on inside face of filaments; lobes 2.7-5 by 1.1-2.1 mm, 1.8-3.8 times as long as wide; corona lobes 0.3-0.7 mm long. Stamens inserted at 1.3-2 mm from the base of the tube, which is 0.3-0.5 of tube length; filaments 0.3-1 mm long; anthers 1.5-2.7 by 0.6-0.9 mm, 2.1-3.9 times as long as wide. Disk 0.8-2.1 mm long, 0.6-1 times as long as ovary. Ovaries 0.9-1.4 mm long; style 0.8-2.1 mm long; style head 0.7-1 mm long. Fruit 4.8-7.3 by 1.2-2 cm, glabrous, occasionally weakly lenticellate. Seeds 10.3-11.7 by 2.3-3.4 mm; beak 1.3-1.6 cm long, coma hairs 2.9-3.8 cm long.
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