Climber. Branchlets weakly angled, sparsely lenticellate or not, glabrous, sparsely or densely and minutely puberulent, sometimes glabrescent. Leaves in whorls of 3; petiole 0.2-0.7 cm long, glabrous; blade thickly coriaceous, narrowly elliptic to ovate, 1-13.3 by 0.7-4.2 cm, 1.4-10 times as long as wide, apex acute or acuminate, not mucronate, base obtuse to cuneate, margin weakly or strongly inrolled, weakly undulate or not, glabrous beneath, glabrous or puberulent only on midrib above, secondary veins 20-60 pairs, 80° from midrib. Inflorescence axillary or terminal, a simple unbranched pleiochasium or with 1 or 2 internodes and unbranched side branches, glabrous, rarely to densely puberulent, 1.6-6 cm long; peduncle 0.2-3 cm by 0.9-1.3 mm; bracts caducous or persistent, deltoid, linear or narrowly ovate, c. 2.5 by 1 mm; bracteoles absent or only on pedicel of terminal flower; flowers 3-7; pedicels 1.3-7 mm long. Sepals not fleshy, ovate or narrowly ovate, 1.3-3.4 by 0.7-1.4 mm, 1.2-2.8 times as long as wide, apex acute or acuminate, ciliate or not ciliate, glabrous to densely puberulent or puberulent on tips only. Corolla white, cream, yellow or with a purplish brown tube and creamy lobes, somewhat fleshy; bud head 2.9-5 mm long which is 0.27-0.41 of bud length, ellipsoid, narrowly ovate or ovate, apex obtuse, acute or acuminate; tube cylindrical, 6.6-10.5 by 1.6-2.2 mm, 3.1-5 times as long as sepals, 1.4-3.1 times as long as lobes, glabrous outside, pubescent in upper half and around stamens inside or sparsely pubescent around stamens and more densely in a band beneath them; lobes elliptic or ovate, 2.7-5.5 by 2-3 mm, 1.2-2.2 times as long as wide, apex rounded, obtuse or acute, base auriculate, glabrous outside, glabrous, papillate or pubescent at tips of lobes inside, not ciliate or ciliate near tips only. Stamens inserted at 4.9-7.1 mm from corolla base which is 0.63-0.78 of tube length; filaments 0.6-1 mm long; anther apex 0.3-1.2 mm from corolla mouth, anthers 1.2-1.4 by 0.5-0.6 mm. Ovaries 0.6-1.1 mm high, pubescent all over or pubescent around base only; style 1.5-6 mm long; style head 0.6-1 mm long. Fruit black or purple, stalks 3.4-15 mm long, with 1 article, glabrous, articles fleshy or with thin flesh, 13-28.2 by 7.3-15.7 mm, ellipsoid or cylindrical, symmetrical or asymmetrical, apex rounded or obtuse. Seeds ovoid or elliptic, 6.6-21 by 5-14 by 4.6-13 mm.
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