32. Deutzia albida Batalin, Trudy Imp. S.-Peterburgsk. Bot. Sada. 13: 97. 1893.
白溲疏 bai sou shu
Deutzia discolor Hemsley var. albida (Batalin) C. K. Schneider.
Shrubs ca. 3 m tall. Flowering branchlets brown, 4-6 cm, 4-6-leaved, stellate hairy. Petiole 2-3 mm; leaf blade abaxially gray-white, ovate or elliptic-ovate, 4-6.5 × 1.2-3 cm, abaxially densely 5-9-rayed stellate hairy, indumentum continuous, adaxially sparsely 4- or 5-rayed stellate hairy, hairs with central rays, veins in 4 or 5 pairs, conspicuously elevated abaxially, base rounded or broadly cuneate, margin serrulate, apex obtuse or acute. Cymes 3-4 × 4-5 cm, 9-30-flowered; pedicels slender, 3-10 mm. Calyx tube ca. 2.5 × 2.5 mm; lobes narrowly lanceolate, 2.5-3 mm, less than 1 mm wide at base, apex acuminate. Petals induplicate, white, elliptic or obovate-elliptic, ca. 7 × 4 mm, margin crisped, apex acute. Outer stamens 3-3.5 mm; filaments 2-dentate at apex, teeth slightly divergent, ± level with or exceeding anthers; anthers stalked, globose. Inner stamens 2-2.5 mm; filaments obtuse or 2- or 3-lobed at apex; anthers borne near middle of filaments abaxially. Styles 3, ca. 1.5 mm. Capsule hemispheric, 3-3.5 mm, with persistent, recurved calyx lobes. Fl. Jun, fr. Sep.
* Mixed forests; 1300-1700 m. S Gansu, ?Shaanxi (Qin Ling).