Description from Flora of China
Shrubs or trees, 1–10 m tall. Twigs slightly angled, 1–1.5 mm in diam., densely setose, hairs simple or forked. Leaves scattered; petiole very short; leaf blade green adaxially, ovate-lanceolate, 2.5–4 × 0.8–1.2 cm, leathery, glabrous, both surfaces glaucous, secondary veins ca. 2 pairs, slightly raised abaxially, impressed adaxially, base rounded, margin revolute, remotely dentate, apex acuminate. Inflorescences corymbose, 4–6-flowered; peduncle ca. 2 cm, glabrous. Pedicel ca. 1.5 cm, setose, pubescent, or glabrous, expanded apically. Calyx tube sparsely setose; limb divided to base; lobes triangular, ca. 2 mm, apex acute. Corolla crimson, with dark red zig-zag bands, tubular, ca. 2 cm; lobes greenish, triangular, ca. 2 mm. Filaments ca. 1 mm, pilose; anthers ca. 1.3 cm, tubules ca. 3 × as long as thecae, without spurs. Berry globose, ca. 5 mm in diam. Fl. Dec–May of next year.
Forests, epiphytic on trees, cliffs; 1800–2700 m. SE Xizang, W Yunnan [N Myanmar].