Description from Flora of China
Shrubs. Twigs terete, ca. 2.5 mm in diam., glabrous or pubescent. Leaves scattered; petiole 1–3 mm; leaf blade green adaxially, elliptic or oblong, ca. 4.5 × 1.2–1.6 cm, leathery, glabrous, abaxially glaucescent, base cuneate, margin plane, remotely shallowly dentate, apex acuminate. Inflorescences corymbose, glabrous, to 8-flowered; peduncle 6–8 mm. Pedicels ca. 2 cm, cup-shaped apically. Calyx tube obconical, ca. 3 mm; limb campanulate, divided ca. 3/4; lobes ovate-triangular, 4–5 mm. Corolla much narrowed upwards in bud, 1.2–3.2 cm, lobed nearly to base, glabrous; lobes linear, margin strongly revolute at anthesis. Filaments ca. 1 mm, glabrous; anthers ca. 1 cm; thecae papillate, tubules ca. 3 × as long as thecae, without spurs. Berry globose, narrower upwards; persistent calyx lobes erect, long, ca. 5 mm in diam. Fl. Oct–Dec, fr. Mar.
Forests, epiphytic on trees; 1200–1500 m. S Xizang [?Bhutan, NE India (Assam, Khasi hills), ?Sikkim].