Climber. Branchlets terete or weakly angled, sparsely lenticellate, glabrous or sparsely and minutely puberulent. Leaves in whorls of 4 or 5; petiole 0.3-0.5 cm long, glabrous; blade subcoriaceous, elliptic, 5.5-9.8 by 1.7-3.3 cm, 2.6-4.2 times as long as wide, apex shortly acuminate, acumen rounded, base cuneate to decurrent onto peti-ole, margin weakly undulate, glabrous beneath and above, secondary veins 40-48 pairs, 50-60° from midrib. Inflorescence axillary, with several clear internodes and unbranched side branches, delicate, densely and minutely puberulent, 1.1-1.6 cm long; peduncle 0.3-0.6 cm by 0.8-1.1 mm; bracts persistent, deltoid, 0.6-0.8 by 0.7-0.9 mm; bracteoles absent; flowers c. 15 in an inflorescence; pedicels 1.8-2.2 mm long. Sepals ovate, c. 0.6 by 0.6 mm, 1 times as long as wide, apex acute, ciliate, densely puberulent all over outside. Corolla with a yellow tube and white lobes; bud head 1.3-1.4 mm long which is 0.35-0.38 of bud length, ellipsoid, apex acute to acuminate; tube slightly inflated around stamens, 2.3-2.7 by 0.8 mm, 3.8-4.2 times as long as sepals, 1.6-1.8 times as long as lobes, sparsely to densely pubescent around top of tube outside, sparsely pubescent around stamens and more densely in a band beneath them inside; lobes elliptic, 1.4-1.5 by 0.5-0.6 mm, 2.3-3 times as long as wide, apex acute, base auriculate, sparsely puberulent outside, sparsely pubescent at the tips and base of lobes inside, ciliate near tips only. Stamens inserted at 1.4-1.7 mm from corolla base which is c. 0.6 of tube length; filaments 0.5 mm long; anther apex c. 0.4 mm from corolla mouth, anthers 0.6-0.7 by 0.3 mm. Ovaries 0.4-0.5 mm high, densely pubescent all over; style 1-1.1 mm long; style head 0.2 mm long. Fruit unknown.
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