Description from Flora of China
Shrubs, 2–5 m tall; young shoots glabrous. Petiole slightly narrowly winged, 15–20 mm, glabrous; leaf blade thickly leathery, broadly elliptic to ovate-elliptic, 6–11 × 3–6 cm; base rounded or cordate; margin slightly revolute; apex rounded, mucronate; abaxial surface indumentum 2-layered, thick or thin, upper layer whitish to pale cinnamon or tawny woolly-tomentose, sometimes ± deciduous, surface with or without a pellicle, hairs branched, lower layer grayish, appressed; adaxial surface slightly rugulose, glabrous. Inflorescence racemose-umbellate, 7–15-flowered; rachis ca. 15 mm, glabrous. Pedicel 2–3 cm, glabrous; calyx lobes 6(or 7), ca. 1.5 mm, glabrous; corolla broadly campanulate or cuplike, white to bright rose, with many crimson dots, 2.5–4.5 cm, lobes 6 or 7; stamens 12(–14), filaments with scurfy hairs on lower half; ovary and style glabrous; stigma discoid. Capsule cylindric, 10–20 × 6–10 mm. Fl. May–Jun, fr. Jul–Oct.
Forests, forest margins, thickets, mountains; 2600–4100 m. SW Shaanxi, SW Sichuan, NW Yunnan.