Description from Flora of China
Deutzia chunii Hu; D. ningpoensis f. integrifolia D. T. Liu & J. Han.
Shrubs 1-2.5 m tall. Flowering branchlets red-brown, 10-18 cm, ca. 6-leaved, stellate hairy. Petiole 5-10 mm, those on flowering branchlets 1-2 mm; leaf blade abaxially grayish green, adaxially greenish, ovate-oblong or -lanceolate, 3-9 × 1.5-3 cm, papery, abaxially densely 12-15-rayed stellate hairy, indumentum continuous, hairs sometimes with central rays, adaxially sparsely 4-7(or 8)-rayed stellate hairy, veins in 5 or 6 pairs, base rounded or broadly cuneate, margin sparsely serrate or subentire, apex acuminate or acute. Cymose panicles narrow, 5-12 × 2.5-6 cm, many flowered; pedicels 3-5 mm. Calyx tube 3-4 × ca. 3 mm; lobes ovate or deltoid, 1.5-2 × 1.5-2 mm, densely 10-15-rayed stellate hairy. Petals induplicate, white, oblong, 5-8 × ca. 2.5 mm. Outer stamens 3-4 mm; filaments 2-dentate at apex, teeth horizontal, not reaching anthers; anthers borne between filament teeth, stalked, globose. Inner stamens shorter than outer ones. Styles 3 or 4, ca. 6 mm. Capsule hemispheric, 4-5 mm in diam., densely stellate hairy. Fl. May-Jul, fr. Sep-Oct.
* Mixed forests, mountain slopes, valleys; 500-800 m. Anhui, Fujian, Hubei, Jiangxi, Shaanxi, Zhejiang.