Lianas woody, to 5 m, glabrous. Branches lenticellate. Petiole 5-8 mm; leaf blade narrowly elliptic, 5-10 X 1.2-3 cm, base obtuse, apex acuminate or caudate-acuminate; lateral veins 10-14 pairs. Cymes terminal and axillary; peduncle 1-2 cm. Pedicel 5-7 mm. Sepals narrowly elliptic, 1-2 mm, glabrous, apex acute, slightly spreading. Corolla white, tube ca. 4.5 mm, strigose-pilose inside; lobes obliquely obovate, 6-7 mm. Stamens included, inserted near base of corolla tube; disc rectangular, 5-lobed, free. Ovary glabrous. Follicles linear, divergent, 11-24 cm X 3-5 mm. Seeds oblong, 1-3 cm, coma ca. 3 cm. Fl. Apr-Jul, fr.Aug-Dec.