Lianas to 25 m. Branches, branchlets, and leaves densely yellowish brown floccose. Petiole 1.2-1.5 cm; leaf blade obovate, 10-14 X 6-10 cm, thick leathery, floccose, base broadly cuneate; lateral veins ca. 10 pairs. Calyx tubular, ca. 1 cm; apex toothed, pubescent outside. Corolla white, glabrous, tube ca. 2 cm; lobes obdeltoid, ca. 1.7 cm. Stamens inserted at base of corolla tube; disc ringlike, shorter than ovary, apex retuse. Ovary and style bearing bristles. Follicles linear, to 35 x 1 cm, densely yellowish brown pubescent. Seeds ovate-lanceolate, flat, ca. 2.5 cm, coma ca. 4 cm. Fl. May-Aug, fr. Aug-Dec.

* Mixed woods; 500-800. S Guangxi.