Description from Flora of China
Shrubs deciduous. Branchlets reddish brown to grayish brown, terete, thin, initially densely yellow strigose, gradually glabrescent, subglabrous when old. Petiole short and robust, 2–3 mm, yellow pubescent; stipules partly persistent, linear-lanceolate; leaf blade broadly ovate to suborbicular, 1–2 × 1–1.5 cm, midvein somewhat raised abaxially and slightly impressed adaxially, lateral veins 3–5 pairs, abaxially densely yellow tomentose, adaxially glabrous, base rounded, apex often obtuse, rarely acute. Corymbs 1.5–2.5 × 2–2.5 cm, 10–15-flowered; rachis and pedicels pubescent; bracts linear or linear-laneolate. Pedicel 1–2 mm. Flowers 4–5 mm in diam. Hypanthium campanulate, abaxially puberulous or subglabrous. Sepals triangular, apex obtuse, sometimes acute. Petals erect, pink, suborbicular or broadly obovate, 1–2 mm in diam., base shortly clawed, apex emarginate or obtuse. Stamens 20, slightly shorter than petals. Ovary pubescent apically; styles 3, free, nearly equalling or somewhat lower than stamens. Fruit oblong, pyrenes 3. Fl. May–Jun.
River banks; 1300--1400 m. SW Hubei.