Description from Flora of China
Deutzia bomiensis var. dinggyensis (J. T. Pan) S. M. Hwang; D. corymbosa R. Brown ex G. Don var. dinggyensis J. T. Pan.
Shrubs ca. 1.5 m tall. Flowering branchlets brownish, 4-9 cm, 6-10-leaved, stellate hairy, hairs with papilliform base. Petiole 1-3 mm; leaf blade ovate or ovate-lanceolate, 10-30 × 5-15 cm, papery, abaxially 8-10(-13)-rayed stellate hairy, adaxially 4-6(or 7)-rayed stellate hairy, indumentum continuous, base broadly cuneate, margin serrulate, apex acute. Inflorescences corymbose, 3-4 cm in diam., 9-40-flowered, stellate hairy, hairs with papilliform base; pedicels ca. 5 mm. Calyx tube 1.5-1.2 mm; lobes broadly ovate, 1-1.7 mm. Petals imbricate, white, ovate or broadly so, ca. 5 × 4 mm, margin erose, apex rounded. Outer stamens 3-4 mm; filaments 2-dentate or truncate at apex, teeth (if present) not reaching anthers; anthers globose, stalk ca. 2 mm. Inner filaments 2-3 mm, apex unequally 2-lobed; anther borne between filament teeth, stalked. Styles 3 or 4, subequaling stamens. Capsule globose, ca. 2.5-3 mm in diam. Fl. Jun, fr. Aug-Oct.
* Forests, thickets, mountain slopes; ca. 2500 m. S Xizang (Bomi Xian, Dinggyê Xian).