Stem to 50 cm, smooth, rooting near base. Leaves scattered, ovate-lanceolate to lanceolate, 7--8 × 1.6--2.4 cm, 5--7-veined, axil with a cluster of white, curly hairs, margin minutely papillose. Flowers usually 4 in a raceme, nodding, campanulate. Tepals pale red, with purple spots adaxially, oblong to oblong-ovate, ca. 4 × 1.3 cm, apex minutely papillose; nectaries not papillose. Stamens converging; filaments ca. 2 cm, glabrous; anthers linear, ca. 7 mm. Ovary cylindric, ca. 8 × 2 mm. Style ca. 2.5 cm; stigma swollen. Fl. Jun.

* About 3200 m. SW Sichuan (Huidong Xian).