Shrubs epiphytic. Stems ash gray, to 1.5 m, pubescent along 2 lines. Petiole 1-3 cm, with groups of 2 or 3 adaxial glands; leaf blade elliptic to elliptic-oblong, 8-11 × 2.5-4 cm, papery when dry, glabrescent adaxially, pubescent abaxially, denser along veins, base cuneate, apex short acuminate; lateral veins 7-10 pairs, slightly elevated. Pseudumbels extra-axillary. Pedicel 3-3.5 cm, glabrous. Calyx glabrous. Corolla white, ca. 1 cm in diam. Corona lobes with outer angle acute, inner angle slightly lower than apical membrane of anther. Fl. Sep.

* Mixed woods; ca. 2000 m. S Xizang, NW Yunnan.