Shrubs to 2 m tall. Branchlets densely yellow-brown pubescent when young, later gray-brown; buds red-brown, ovoid, with 4 or 5 scales pubescent at margin. Stipules oblong to lanceolate, 5–10 mm, herbaceous, slightly pubescent, margin entire, apex obtuse; petiole ca. 5 mm, densely pubescent; leaf blade triangular to triangular-ovate, 4–6 × 3.5–4 cm, abaxially densely pubescent particularly on veins, adaxially sparsely pubescent, base truncate or subcordate, margin 3–5-lobed, sharply doubly serrate, apex acuminate. Racemes 4–5 cm, 10–15-flowered; peduncle and pedicels subglabrous. Flowers ca. 6 mm in diam.; pedicel 3–4 mm. Hypanthium cylindric, 8–9 mm, abaxially glabrous, sparsely glandular pubescent at base. Sepals triangular, ca. 2 mm, shorter than hypanthium, margin entire, apex caudate. Petals white or pinkish, obovate, ca. 2mm. Stamens 10–15. Ovary narrowly ovoid, pubescent only at apex; ovules 4 or 5. Follicles long ellipsoid. Seeds ovoid. Fl. May, fr. Jul–Sep.