17. Deutzia schneideriana Rehder in Sargent, Pl. Wilson. 1: 7. 1911.
长江溲疏 chang jiang sou shu
Deutzia schneideriana var. laxiflora Rehder.
Shrubs 1-2 m tall. Flowering branchlets purplish red, 8-12 cm, 4-6-leaved, sparsely stellate hairy. Petiole 3-4 mm; leaf blade abaxially grayishovate-obovate or elliptic-ovate, 3.5-7 × 1.5-3 cm, papery, abaxially 12-15-rayed stellate hairy, indumentum discontinuous, hairs along veins with central rays, adaxially sparsely 5- or 6-rayed stellate hairy, veins in 4-6 pairs, base rounded or broadly cuneate, margin serrulate, apex acute or abruptly acuminate. Cymose panicles 3-15 × 3-4 cm; pedicels 3-8 mm. Calyx tube ca. 3 × 4 mm, densely greenish gray stellate hairy; lobes deltoid, ca. 1 × 1 mm. Petals induplicate, white, oblong, 1-1.2 cm × 4-5 mm, apex acute. Outer stamens 8-10 mm; filaments 2-dentate at apex, teeth not reaching anthers; anthers borne between filament teeth, stalked, oblong. Inner anthers borne between filament teeth or near middle of filaments abaxially. Styles 3, slender, longer than stamens. Capsule grayish brown, hemispheric, 5-7 mm in diam., stellate hairy. Fl. May-Jun, fr. Aug-Oct.
* Thickets; 600-2000 m. Anhui, Gansu, Hubei, Hunan, Jiangxi, ?Zhejiang.