Shrubs 30–40 cm tall. Twigs terete, angled, 2–3 mm in diam., glabrous, becoming lenticellate. Leaves scattered; petiole 1–2 mm, glabrous; leaf blade oblong-elliptic, 3.5–7.5 × 1.2–3.2 cm, leathery, glabrous, secondary veins 8–11 pairs, conspicuously raised adaxially, base cuneate to obtuse, margin plane, subentire, with 1 basal gland per side, apex acute. Inflorescences corymbose, from defoliate axils, 1–3-flowered; peduncle 4–5 mm, subglabrous. Pedicel ca. 8 mm, densely pubescent and with sparse glandular hairs, slightly expanded at apex. Calyx tube brownish red, 4–5 mm, broadly 5-winged, sparsely puberulous; limb red, divided ca. 2/3; lobes ovate-triangular, ca. 10 mm, sparsely puberulous. Corolla reddish brown, with dark red zig-zag bands, tubular, ca. 1.5 cm, glabrous; lobes linear-lanceolate, ca. 4 mm. Filaments ca. 1 mm, glabrous; anthers ca. 1.2 cm, thecae papillate, shortly caudate at base; tubules ca. 3 × as long as thecae, without spurs. Berry ellipsoidal, ca. 1 × 0.8 cm, with 5 broad wings. Fl. Jan–Apr.

Evergreen forests, epiphytic on trees; 1700–2200 m. SE Xizang (Mêdog).