Description from Flora of China
Shrubs or small trees, evergreen, 1–3(–6) m tall, much branched. Twigs slightly angled, pubescent, glabrescent; bud scales inconspicuous. Leaves dense; petiole 1–5 mm, puberulous or subglabrous; leaf blade ovate-lanceolate or narrowly ovate, 2–7 × 1–2.5 cm, leathery, abaxially glabrous, adaxially densely puberulous on midvein, otherwise glabrous, secondary veins ca. 6 pairs and fine veins inconspicuous on both surfaces, base rounded or broadly cuneate, rarely cuneate, margin plane, serrate, apex acuminate. Inflorescences racemose, 2–3.5 cm, slender, pubescent or glabrous, 6–15-flowered; bracts persistent or sometimes caducous, lanceolate, 2–5(–13) mm. Pedicel ca. 2 mm, glabrous. Hypanthium ca. 0.7 mm, glabrous; calyx lobes triangular, 0.8–1.3 mm. Corolla white, broadly campanulate, 3–5 mm; lobes reflexed, ovate-triangular, 0.7–1.5 mm. Filaments 1–1.5 mm, pilose; anthers 1.5–2 mm, with 2 inconspicuous spurs; tubules 1/2–2/3 as long as thecae. Berry 10-pseudoloculed, dark purple, globose, glabrous, with a bloom. Fl. May–Jun, fr. Aug–Oct.
Evergreen forests, sparse forests, thickets; 300–800(–1200) m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangxi, Zhejiang.