Description from Flora of China
Shrubs or small trees, evergreen, 1–5(–10) m tall, much branched. Twigs angled, glabrous, pubescent, or glandular setose; bud scales inconspicuous. Leaves scattered; petiole 3–6 mm, glabrous, pubescent, or glandular setose; leaf blade ovate-lanceolate, oblong-lanceolate, or ovate, 3–7(–13) × 1.7–3.5 cm, leathery, glabrous or abaxially pubescent on midvein at base, secondary veins 3 pairs, secondary and fine veins raised abaxially, inconspicuous and impressed adaxially, base broadly cuneate or rounded, rarely cuneate, margin plane, slightly recurved, denticulate, apex acuminate or acute. Inflorescences racemose, 1.5–8 cm, glabrous, densely tomentellate, or hirtellous, 9–18-flowered; bracts caducous, ovate or broadly ovate, 5–7 mm, apex caudate. Pedicel 0.5–2.5 mm, glabrous; bracteoles 2, subapical, ovate, ca. 1.5 mm. Hypanthium globose, 1.5–1.7 mm, glabrous or hirtellous; calyx lobes 1–1.3 mm, ciliate or glandular fimbriate. Corolla white or pink, tubular-urceolate, 6–8 mm, glabrous; lobes usually reflexed, triangular. Filaments 2.5–3 mm, pilose; anthers 2.7–3 mm, with 2 inconspicuous spurs; tubules ca. as long as thecae. Berry 10-pseudoloculed, dark purple, globose, 6–7 mm in diam. Fl. Feb–May, fr. Jul–Nov.
Forests, thickets, grassy or rocky slopes; 1500–3100(–3200) m. Sichuan, Xizang, Yunnan.