Slender branched vines, glabrous throughout. Leaves subcoriaceous, lanceo-late-oblong to elliptic, cuspidate-acuminate, basally rounded or obtuse, pale beneath with conspicuous, thin veins which close near the margins, 3-7 cm long and 1.5-3 cm wide; petioles 1-1.5 cm long. Inflorescences axillary, few-flowered; peduncles slender, mostly 1-2 cm long; pedicels filiform, 1-2.5 cm long. Flowers with the calyx lobes oblong-ovate, obtuse, ca. 1.5 mm long and 0.5 mm wide; corolla greenish-white, campanulate, ca. 1 cm broad, the lobes lanceolate-oblong, obtuse, densely short pubescent inside, glabrous outside, ciliate along the mar-gins, 5-6 mm long and ca. 3 mm wide; corona segments of 5 semi-vesicular sacs, free from the corolla, oval in outline, much shorter than the gynostegium, ca. 1.5 mm long and ca. 0.8 mm wide; gynostegium 2.5-3 mm high. Follicles smooth, glabrous, terete, fusiform with a long acuminate apex, 6-9 cm long, ca. 1.5 cm thick.
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