Lianas to 20 m. Stem dark brown, lenticels absent; branches tawny gray, young ones brownish. Petiole 0.8-1.2 cm; leaf blade broadly elliptic, rarely subovate, 3-7 X 1-4 cm, apex acute, glabrous, ± lustrous adaxially, glaucous abaxially, lateral veins 4-6 pairs. Sepals ovate, ca. 3 mm, obtuse. Corolla pink, tube ca. 4 mm; lobes ± symmetrical, slightly longer than tube, acute. Disc ringlike, entire. Ovary pubescent. Follicles to 15 cm, terete, densely spotted. Seeds oblong, ca. 1 cm, coma ca. 3 cm. Fl. Apr-Dec, fr. Jun-Dec. 2n = 20*.
A woody vine.