Woody climber. Branchlets sparsely to densely, glabrous when older. Leaves: petiole 5-10 mm long, sparsely to densely pubescent when young, glabrous when older; blade subcoriaceous to coriaceous, 3-9 by 1.5-3.5 cm, 1.8-3.2 times as long as wide, ovate to elliptic, apex acuminate, base acute to cuneate, glabrous or with few hairs on midrib above, few hairs on midrib or sparsely pubescent all over beneath, few hairs on leaf margin, 7-14 pairs of secondary veins, tertiary venation reticulate. Inflorescence of terminal and axillary cymes, 4.4-11 cm long; peduncle 0.3-5.8 cm long, sparsely brown pubescent; pedicels 5-9.5 mm long, sparsely brown pubescent. Sepals 1.3-2.2 by 1-1.5 mm, 1.1-1.3 times as long as wide, ovate, apex rounded to obtuse, glabrous, ciliate. Corolla white; tube 6.5-7.5 by 2.2-2.6 mm, 3.4-5.4 times as long as sepals, 0.8-1.1 times as long as lobes, glabrous outside, densely pubescent in upper tube and in throat; lobes 5.8-8 by 3.5-4.2 mm, 1.5-1.8 times as long as wide, broadly oblique obovate, glabrous outside, pubescent at base of lobes inside. Stamens inserted at 2.5-3.3 mm from corolla base which is 0.3-0.5 of tube length; anthers 3.5 by 0.7-0.8 mm, 4.4-5 times as long as wide; not exserted. Disk of 5 separate lobes, apex rounded, 0.7 mm high. Ovaries 0.9-1.1 mm high, glabrous; style 2.1-2.2 mm long; style head 1.5-1.7 mm long. Fruit linear, glabrous, 20-32 cm by 2-4.5 mm. Seeds c. 19 by 1-2 mm; coma 34-49 mm long.
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