Erect shrub or climber. Branchlets weakly or strongly angled, sparsely lenticellate or not, glabrous or sparsely and minutely puberulent. Leaves in whorls of 3; petiole 0.2-1.1 cm long, glabrous; blade coriaceous or subcoriaceous, narrowly to broadly elliptic or obovate, 1.3-8 by 0.6-3.6 cm, 1.4-3.1 times as long as wide, apex obtuse to acuminate but slightly notched at the apex, base cuneate, margin weakly undulate, glabrous beneath and above, not punctate beneath, secondary veins 24-51 pairs, 70-75° from midrib. Inflorescence axillary, a compound pleiochasium with clear internodes or with 1 or 2 internodes and unbranched side branches, glabrous to densely puberulent, 1.8-3.8 cm long; peduncle 0.5-1.5 cm by 1.4-1.5 mm; bracts caducous or persistent, deltoid, 1.6-2.5 by 1.2-1.4 mm; bracteoles absent; flowers 4-16; pedicels 1.8-3.5 mm long. Sepals ovate, 1.2-1.5 by 1.1-1.3 mm, 1.1-1.2 times as long as wide, apex rounded or obtuse, ciliate, glabrous. Corolla white; tube slightly inflated, 3.5-3.7 by 1.6-1.8 mm, 2.3-3.1 times as long as sepals, 2.2-2.3 times as long as lobes, glabrous outside, sparsely pubescent around stamens and more densely in a band beneath them inside; lobes ovate or orbicular, apex rounded or obtuse, base auriculate, 1.6 by 1.1-1.9 mm, 0.8-1.5 times as long as wide, glabrous outside, glabrous or papillate inside, not ciliate. Stamens inserted at 1.8-2.8 mm from corolla base which is 0.56-0.64 of tube length; filaments 0.7-0.8 mm long; anther apex 0.1-0.6 mm from corolla mouth, anthers 0.9-1.2 by 0.3-0.5 mm. Ovaries 0.7-0.9 mm high, densely pubescent all over or pubescent around base only; style 0.8-1.9 mm long; style head 0.5-0.8 mm long. Fruit yellow, stalks 2.1-3.2 mm long, with 1 or 2 articles in each string, c. 2.7 mm between articles, sparsely puberulent at ends or all over, 9-10.5 by 7.7-8 mm, ellipsoid, globose or cylindrical, symmetrical, rounded at apex. Seeds c. 9.3 by 5.9 by 5.4 mm.
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