Erect shrub, ground creeper or climber. Branchlets weakly or strongly angled, sparsely lenticellate or not, glabrous to densely and minutely puberulent, often glabrescent. Leaves in whorls of 5-7; petiole 0-0.7 cm long, glabrous; blade coriaceous, obovate or spathulate, 1-6.3 by 0.5-2.7 cm, 1.7-3.4 times as long as wide, apex emarginate to acuminate, and then often notched at the apex, or cuspidate, often folded back, base cuneate or decurrent onto petiole, margin strongly undulate or not, glabrous beneath and above, not punctate beneath, secondary veins 12-30 pairs, 60-70° from midrib. Inflorescence axillary, a simple unbranched pleiochasium or with several internodes and unbranched side branches, delicate to robust, glabrous to densely puberulent, 1.3-2.8 cm long; peduncle 0.5-1.5 cm by 1.1-2.1 mm; bracts persistent, deltoid, 0.8-1.8 by 0.7-1.4 mm; bracteoles absent or only on pedicel of terminal flower; flowers 3-9; pedicels 1-4.5 mm long. Sepals ovate, 1.2-2.5 by 0.9-2 mm, 0.9-1.9 times as long as wide, apex rounded or obtuse, ciliate, glabrous or sparsely puberulent all over or only on central line. Corolla white, cream or with tube purplish brown and lobes creamy; bud head 1.5-2.8 mm long which is 0.23-0.43 of bud length, ellipsoid or ovate, apex obtuse or acute; tube cylindrical or slightly inflated, 4.1-5 by 1.5-1.9 mm, 1.7-3.6 times as long as sepals, 1.7-3.2 times as long as lobes, glabrous or sparsely puberulent all over outside, pubescent in a band below the stamens inside or sparsely pubescent around stamens and more densely in a band beneath them; lobes elliptic, ovate or orbicular, apex rounded to acute, base auriculate, 1.5-2.6 by 1.2-2.7 mm, 1-1.5 times as long as wide, glabrous outside, glabrous or pubescent at tips of lobes inside, not ciliate. Stamens inserted at 2.2-3.5 mm from corolla base which is 0.5-0.64 of tube length; filaments 0.5-0.8 mm long; anther apex 0.3-1 mm from corolla mouth, anthers 1.1-1.5 by 0.4-0.5 mm. Ovaries 0.6-1 mm high, pubescent around base only, very sparsely pubescent all over or pubescent in tuft between carpels; style 1.2-2.3 mm long; style head 0.6-1 mm long. Fruit black, purple or orange-brown, stalks 0-5.2 mm long, with 1-3 articles in each string, 0-1 mm between articles, glabrous, with thin flesh, 7.5-11.5 by 5-7.7 mm, ellipsoid, globose, subglobose or cylindrical, symmetrical, apex rounded to acute. Seeds ovoid, 6.9-8.2 by 4.3-5.6 by 4.2-5.2 mm.
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