Description from Flora of China
Deutzia jinyangensis P. He & L. C. Hu.
Shrubs 1.5-2.5 m tall. Flowering branchlets purplish, 5-8 cm, 4-6 leaved. Petiole 2.5-5(-10) mm; leaf blade abaxially yellowish brown, oblong-lanceolate or lanceolate, 5-7(13) × 1.6-3(-4.5) cm, thinly leathery or papery, abaxially sparsely appressed 7-9(-13)-rayed stellate hairy, indumentum discontinuous, hairs along veins with central rays, adaxially sparsely 4-6-rayed stellate hairy, veins in 5 or 6 pairs, base cuneate or broadly so, margin serrulate, apex acute or abruptly acuminate. Cymes 3-8 × 4-7 cm, 15-50-flowered; pedicels 3-14 mm. Calyx purplish; tube ca. 3.5 × 3 mm, gray stellate hairy; lobes lanceolate or elliptic-lanceolate, ca. 3.5 mm, leathery, midvein prominent. Petals induplicate, pink, oblong, 1-1.2 cm × 4-5 mm, margin crisped, apex rounded or acute. Outer stamens 6-7 mm; filaments 2-dentate at apex, teeth ± level with or exceeding anthers; anthers stalked. Inner stamens shorter than outer ones; filaments 2-lobed or obtuse at apex; anthers borne near middle of filaments abaxially. Styles 3, subequaling stamens. Capsule brown, hemispheric, ca. 4 mm, with persistent, recurved calyx lobes. Fl. Jun.
* Forests, mixed thickets, mountain slopes. SE Sichuan, NE Yunnan.