Climber. Branchlets terete to strongly angled, sparsely lenticellate or not, glabrous to densely and minutely puberulent, sometimes glabrescent. Leaves in whorls of 3 or 4; petiole 0.2-1 cm long, glabrous or pubescent; blade subcoriaceous to thickly coriaceous, elliptic, ovate or obovate, 2.2-10 by 1.1-5.9 cm, 1.4-4.2 times as long as wide, apex rounded to shortly acuminate, base rounded to cuneate, margin weakly undulate or not, glabrous, sparsely puberulent only on midrib or puberulent all over beneath, glabrous or puberulent all over above, not punctate beneath, secondary veins 17-38 pairs, 70-80° from midrib. Inflorescence axillary or terminal, large lax panicles frequently branched, robust, sparsely to densely puberulent, pale-coloured, 9.5-16 cm long; peduncle 5-7.7 cm by 1.5-2.5 mm; bracts caducous or persistent, deltoid, 2.5-3.7 by 2-3.1 mm; bracteoles present, two on pedicel; flowers 80 to more than 100 in an inflorescence; pedicels 1.1-3 mm long. Sepals fleshy or not, ovate, 2.1-2.9 by 1.2-2.4 mm, 1-1.8 times as long as wide, apex obtuse or acute, ciliate, sparsely or densely puberulent. Corolla white; bud head 2-2.4 mm long which is 0.4-0.43 of bud length, ellipsoid, narrowly ovate or ovate, apex obtuse or acute; tube cylindrical or slightly inflated, 3.6-4.3 by 1.1-1.5 mm, 1.4-1.7 times as long as sepals, 1.7-3.2 times as long as lobes, glabrous or sparsely puberulent around top of tube outside, inside sparsely pubescent around stamens and more densely in a band beneath them or pubescent around and below anthers and in throat with a glabrous gap between; lobes elliptic or ovate, 1.2-2.1 by 0.9-1.4 mm, 1.3-1.6 times as long as wide, apex rounded, obtuse or acute, base auriculate, glabrous or sparsely puberulent outside, glabrous or pubescent at base of lobes inside, not ciliate. Stamens inserted at 1.3-2.2 mm from corolla base which is 0.39-0.47 of tube length; filaments 0.5-0.7 mm long; anther apex 0.9-1.3 mm from corolla mouth, anthers 0.9-1.4 by 0.3-0.4 mm. Ovaries 0.7-1 mm high, densely pubescent all over; style 0.1-0.4 mm long; style head 0.6-1 mm long. Fruit ochraceous ripening purplish brown, stalks 1.5-6.2 mm long, with 1 or 2 articles in each string, 0-5 mm between articles, sparsely puberulent all over, articles dry smooth or with thin flesh, 11.5-19 by 8.7-13 mm, ellipsoid, subglobose or cylindrical, symmetrical, apex rounded, obtuse or apiculate. Seeds 9.4-11.9 by 6.6-8.7 by 5.4-7.8 mm.
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