Slender, + woody vines. Stems nearly glabrous or in younger portions with 2 lines of puberulence. Leaves membranaceous, narrowly elliptic to ovate-elliptic, 2.5-7.5 cm long and 1.5-2 cm wide, apically acuminate, basally acute or attenuate, densely to sparsely pubescent on both sides; petioles slender, 7-8 mm long. Inflorescences few-flowered, sparsely puberulent; peduncles ca. 1 mm long; pedicels 4-5 mm long. Flowers with the calyx 5-lobate, the lobes ovate, obtuse, white ciliate, sparsely puberulent outside, glabrous inside, ca. 1.5-2 mm long and 1-1.5 mm wide; corolla pale pinkish with purple stripes or blotches, campanulate, glabrous outside, the lobes finely puberulent inside, linear-oblong, several times as long as the tube, ca. 6 mm long and 2 mm wide, obtuse, a low fleshy appendage tipped with hair inserted on the tube between the lobes; corona of 5 fleshy, + rectangular segments, each segment attached at its middle to the dorsal part of the stamen; anthers with a tridentate lobed, inflexed membrane, the middle tooth long acuminate; stigma head rostrate, with a conical apically bifid beak ca. 1 mm long. Fruit unknown.
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