Climber. Branchlets strongly angled, densely lenticellate to not lenticellate, glabrous. Leaves in whorls of 3-5; petiole 0.3-2 cm long, glabrous; blade coriaceous to papery, elliptic, 4.3-18.5 by 1.5-7.5 cm, 1.7-3 times as long as wide, apex rounded to shortly acuminate, acumen obtuse, base obtuse to decurrent onto petiole, margin weakly undulate, glabrous beneath and above, secondary veins 45-109 pairs, 80-85° from midrib. Inflorescence axillary, a compound pleiochasium with clear internodes, glabrous, 4-9 cm long; peduncle 1-5.4 cm by 1.2-2.5 mm; bracts persistent, deltoid, 0.8-0.9 by 0.8-1 mm; bracteoles present, one immediately beneath calyx; flowers 16-51; pedicels 0.5-2.5 mm long. Sepals ovate, somewhat fused at base, 1.3-1.7 by 1.2-1.3 mm, 1-1.4 times as long as wide, apex rounded or obtuse, usually reflexed, ciliate, glabrous. Corolla white; bud head 0.9-1.2 mm long which is 0.25-0.33 of bud length, ellipsoid or ovate, apex acute; tube slightly inflated, 2.8-3.3 by 1.4 mm, 2-2.2 times as long as sepals, 2.5-2.7 times as long as lobes, glabrous outside, pubescent around stamens and more densely in a band beneath them or very sparsely pubescent only beneath filaments inside; lobes ovate or orbicular, apex rounded or obtuse, base auriculate, 1.1-1.2 by 1.1 mm, 1-1.1 times as long as wide, glabrous outside and inside, not ciliate. Stamens inserted at 2.2-2.3 mm from corolla base which is 0.65-0.7 of tube length; filaments 0.2-0.7 mm long; anther apex 0.2-0.3 mm from corolla mouth, anthers 0.7-1 by 0.3-0.4 mm. Ovaries 0.6-0.8 mm high, glabrous or with varying degrees of pubescence; style 1.1-1.5 mm long; style head 0.4-0.7 mm long, pubescent. Fruit orange-brown, stalks 2-5.5 mm long, with 1-5 articles in a string, 1.8-2.7 mm between articles, sparsely puberulent at ends, articles dry and smooth, 8.3-9.7 by 6 mm, ellipsoid or cylindrical, symmetrical, rounded at apex. Seeds not studied.
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