Lianas to 6 m. Branchlets dark brown, rust-colored pubescent. Petiole 6-8 mm, pubescent; leaf blade narrowly oblong, 12-21 X 4-6.5 cm, somewhat leathery, glabrous, base cuneate, apex acuminate or rarely obtuse; lateral veins 15-20 pairs, subparallel, pubescent. Cymes terminal, shorter than leaves; bracteoles sublinear, 3-5 mm, short pubescent. Sepals oblong, pubescent outside. Corolla white, puberulent outside; tube 1.5-1.7 cm, pubescent inside; lobes obliquely obovate, 1.5-1.8 cm; corona scales thick, indistinct, minutely pilose, adnate to corolla throat, apex shortly 2-cleft. Berries ellipsoid, 6-8 X 3-4 cm. Fl. Jun-Aug, fr. Oct-Dec.

* Sparse woods; 500-800 m. S Guangxi.