Description from Flora of China
Shrubs or small trees, evergreen, 2–5(–7) m tall, glabrous. Twigs subangled; bud scales inconspicuous. Leaves scattered; petiole 2–3 mm; leaf blade narrowly lanceolate or elliptic-lanceolate, 4–11 × 1–2(–3) cm, thinly leathery, secondary veins 7 or 8 pairs, ascending, secondary and fine veins raised abaxially, flat to impressed or inconspicuous adaxially, base cuneate-attenuate, margin plane, serrate, apex long acuminate or subfalcate. Inflorescences axillary and terminal, racemose, 4–6 cm, slender, angled, ca. 10-flowered; bracts ovate-lanceolate or oblong-lanceolate, 0.8–1.5 cm × ca. 2.5 mm, margin shortly glandular hairy. Pedicel 4–6 mm. Flowers fragrant. Hypanthium ca. 1.3 mm, densely pubescent; calyx lobes narrowly triangular, 2–2.5 mm, glabrous. Corolla white, tubular, ca. 8 mm, puberulous; lobes reflexed, ca. 0.6 mm. Stamens ca. 6 mm, densely hairy; anthers ca. 1 mm with 2 short spurs; tubules ca. as long as thecae, 1.5–2 mm. Berry 10-pseudoloculed, dark purple, pubescent, 5–6 mm in diam. Fl. May, fr. Oct.
Forests, thickets, rocky slopes; (100–)300–900 m. SW Guangdong, S Guangxi [N Vietnam].