Dwarf shrubs, evergreen, sometimes epiphytic, (0.05–) 0.3–0.6(–0.8) m tall; branchlets setose. Petiole 3–6 mm, scaly, setose; leaf blade leathery, elliptic, elliptic-obovate to broadly elliptic, (1.5–)3–4 × (1–)1.5–2 cm; base rounded; margin revolute, usually setose; apex obtuse, mucronate; abaxial surface whitish papillose, scales 0.5–1 × their own diameter apart, varying in size, brown, bladderlike, sunk in pits; adaxial surface dark green, shiny, glabrous except for a few bristles at base of midrib, Inflorescence 1–2(–3)-flowered. Pedicel ca. 1 cm, scaly, setose; calyx lobes 6–10 mm, obovate to rounded, persisting to enclose mature capsule, scaly, ciliate; corolla broadly campanulate, yellow or rarely white, rarely with purple spots, (1.6–)2–2.5 cm, tube (8–)10–12 mm, scaly; stamens 10, shorter than corolla, filaments pubescent towards base or to 2/3 of their length; ovary scaly; style stout, sharply bent, short, sparsely scaly at base. Capsule ovoid to cylindric-ovoid, 8–11 mm, scaly. Fl. Apr–Jun, fr. Jul–Sep.

Forests, rocky slopes, cliff ledges, boulders, sometimes epiphytic; 2500–4200 m. S Xizang, NW Yunnan [NE India, NE Myanmar].