Shrubs or small trees, 3–4 m tall. Young branchlets glabrous; old branchlets brown, lenticellate. Leaves clustered at branchlet apex; petiole 4–8 mm; leaf blade dark yellow-green after drying abaxially, green and shiny adaxially, oblong or oblong-oblanceolate, 5–7 × 2–2.5 cm, leathery, glabrous, lateral veins 5–6-paired, slightly convex on both surfaces, reticulate veins indistinct, base cuneate, margin dentate distally, apex acute. Inflorescences terminal, umbellate, ca. 10-flowered; bracts ovate, ca. 1.5 mm; pedicels 1–1.5 cm. Sepals ovate, ca. 2 mm, glabrous, apex obtuse. Petals free, 8–9 mm. Stamens 6–7 mm. Pistil equaling stamens; carpels 2; placentas parietal, 2; ovules ca. 12; stipe short, glabrous; style sightly longer than ovary. Capsule long ellipsoid, 10–12 × 6–7 mm, glabrous, dehiscing by 2 valves; pericarp ca. 1 mm thick, hortizontally striate adaxially; placentas longitudinal, long; stipe ca. 2 mm; persistent style 2–3 mm. Seeds ca. 8, ca. 3.5 mm; funicle very short. Fl. Mar–May, fr. Jun–Oct.

Forests, thickets, slopes, valleys, stream sides; 800--1900 m. E Guizhou, Sichuan (Guan Xian).