Climber. Branchlets weakly to strongly angled, sparsely lenticellate or not, glabrous. Leaves in whorls of 3-6, coriaceous; petiole 0-2 cm long, glabrous; blade narrowly to broadly elliptic, obovate or spathulate, 3-13 by 0.7-5.7 cm, 1.9-5 times as long as wide, apex emarginate, rounded, obtuse, acute, acuminate or apiculate, base cuneate to decurrent onto petiole, margin weakly or strongly undulate, dark green, dull or shining above, dark or pale green beneath, glabrous, secondary veins 45-90 pairs, 60-80° from midrib. Inflorescence axillary, with several clear internodes and unbranched side branches or, very rarely, an aggregate pleiochasium forming lax panicles (see note), delicate, glabrous, 2.4-6.7 cm long; peduncle 0.7-4.5 cm by 0.5-1.5 mm; bracts caducous or persistent, ovate or deltoid, c. 1.3 by 0.8 mm; bracteoles present on pedicel or absent; flowers 9-12; pedicels 0.7-5 mm long. Sepals ovate, 1.1-1.8 by 0.8-1.5 mm, 1.2-2 times as long as wide, apex rounded to obtuse, ciliate or not, glabrous. Corolla white, cream or with a pink tube and white lobes; bud head 1.8-2 mm long which is 0.32-0.38 of bud length, ellipsoid, apex obtuse to acute; tube cylindrical or slightly inflated, 1.8-3.8 by 0.9-1.4 mm, tube 1.6-2.8 times as long as sepals, 1.3-2 times as long as lobes, glabrous outside, pubescent in a band below the stamens inside or sparsely pubescent around stamens and more densely in a band beneath them; lobes elliptic or ovate, 1.4-2 by 0.8-1.5 mm, 1.3-1.9 times as long as wide, apex rounded to acute, not ciliate, glabrous outside, glabrous or pubescent at base of lobes inside. Stamens inserted at 1.4-2.5 mm from corolla base which is 0.56-0.71 of tube length; filaments 0.3-0.5 mm long; anther apex 0-0.5 mm from corolla mouth, anthers 0.7-0.9 by 0.3-0.4 mm. Ovaries 0.6-0.9 mm high, pubescent in tuft between carpels or very sparsely pubescent around base only; style 1.2-1.9 mm long; style head 0.3-0.4 mm long. Fruit with 1-7 articles in a string, 1.6-9.3 mm between articles, stalks 2.8-7 mm long; articles dry smooth, 4.7-11.7 by 4.6-8.3 mm, ellipsoid or subglobose, apex rounded, yellow or orange, maturing black, glabrous. Seeds oblong, 4.9-8.1 by 4-5.3 by 3.5-4.2 mm.
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