Description from Flora of China
Shrubs scandent; axial parts ± yellowish puberulent. Young stems angular. Petiole 1.7-4 cm; leaf blade narrowly ovate to ± oblong, 7-10 X 3.5-4.5 cm, papery, abaxially densely sericeous-pilose, adaxially glabrous, base rounded, apex acute; lateral veins 10-13 pairs. Cymes axillary, corymbose, 4-9-flowered; peduncle (0.7-)3-7 cm; bracts deciduous, broadly ovate, ca. 5 X 4 mm, ± densely puberulent abaxially, glabrous adaxially, apex mucronulate. Pedicel ca. 2.5 mm. Sepals brown, ovate-oblong, ca. 4.5 X 2 mm, puberulent similar to bracts. Corolla white, funnelform, ca. 4.8 cm, midpetaline bands sparsely pilose; limb shallowly lobed. Stamens and pistil included; filaments ca. 1.6 cm, glandular pilose basally; anthers oblong, ca. 4 mm. Disc ringlike, ca. 0.5 mm high. Ovary glabrous, 2-loculed. Fruit unknown. Fl. Sep.
* Thickets; ca. 900 m. S Yunnan (Jinghong Xian).