Climber. Branchlets weakly angled, sparsely lenticellate or not, sparsely or densely minutely puberulent. Leaves in whorls of 3; petiole 0.2-0.3 cm long, glabrous or pubescent; blade coriaceous or subcoriaceous, elliptic, 1.1-9.2 by 0.4-2.7 cm, 1.8-5.9 times as long as wide, apex emarginate, acute or acuminate, sometimes notched at the apex, base acute or cuneate, margin weakly undulate or not, sometimes yellowish green beneath, glabrous beneath, puberulent only on midrib above, secondary veins 28-46 pairs, 65-70° from midrib. Inflorescence terminal, a short congested compound pleiochasium, robust, densely puberulent, 1.1-1.5 cm long; peduncle 0.3-0.6 cm by 1.4-1.6 mm; bracts persistent, deltoid; bracteoles present, two immediately beneath calyx; flowers 4-10; pedicels 0-0.8 mm long. Sepals ovate, 1.6 by 1.1 mm, 1.5 times as long as wide, apex acute, ciliate, densely puberulent. Corolla with tube purplish brown, lobes creamy; bud head 1.7-2.1 mm long which is 0.24-0.25 of bud length, ovate, apex acute; tube cylindrical, 6.7-7.4 by 1 mm, 4.6 times as long as sepals, 2.7-2.8 times as long as lobes, glabrous outside, continuously pubescent except for base inside; lobes ovate, 2.4-2.7 by 1.2-2.1 mm, 1.3-2 times as long as wide, apex obtuse, base auriculate, glabrous outside and inside, not ciliate. Stamens inserted at 5.3-6.3 mm from corolla base which is 0.79-0.81 of tube length; filaments 0.5-0.6 mm long; anther apex 0.2-0.4 mm from corolla mouth, anthers c. 1 by 0.5 mm. Ovaries c. 0.9 mm high, densely pubescent all over; style 5.2-5.4 mm long; style head 0.6 mm long, pubescent. Fruit stalks c. 2 mm long, with 1 article, articles dry smooth, 8.7-9.3 by 7.5-8 mm, ellipsoid, rounded. Seeds not seen.
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