Vasilis Teodoridis:
Saxifragaceae | Deutzia
47. Deutzia pilosa Rehder in Sargent; Pl. Wilson. 1: 8. 1911.
???? he mao sou shu
Deutzia pilosa var. longiloba P. He & L. C. Hu; D. pilosa var. longiloba W. T. Wang ex S. M. Hwang (1992); not P. He & L. C. Hu (1990).
Shrubs 1-1.8 m. Flowering branchlets 6-8 cm; 4-6-leaved; stellate hairy; hairs with long central rays. Petiole 1-3 mm; leaf blade abaxially greenish; ovate; ovate-lanceolate; or oblong-ovate; 3-9.5 x 1.5-5 cm; papery; abaxially 6- or 7(or 8)-rayed stellate hairy; hairs with long central rays; adaxially 4- or 5(or 6)-rayed stellate hairy; veins in 3 or 4 pairs; reticulate veins slightly sparse; elevated abaxially; base rounded or broadly cuneate; margin serrulate; apex acuminate or caudate. Corymbose cymes 3-5 x 4-6 cm; 3- or 4-flowered; pedicels 3-10 mm. Calyx tube ca. 3 x 3.5 mm; densely 8-12-rayed stellate hairy; hairs with central rays; lobes ovate or ovate-lanceolate; 1.5-4 mm; apex acute or acuminate. Petals induplicate; white; ovate-oblong; 8-10 mm. Outer stamens 4-5 mm; filaments 2-dentate at apex; teeth spreading; exceeding anthers. Inner stamens 3-4 mm; filaments 2-lobed or acuminate at apex; anthers borne near middle on filaments abaxially. Styles 3(or 4); ca. 2.5 mm. Capsule subglobose; ca. 5 mm in diam.; with persistent; incurved calyx lobes. Fl. Apr-May; fr. Jun-Aug.
* Forest margins; mountain slopes; 400-2000 m. Gansu; Guizhou; ?Shaanxi (Qin Ling); Sichuan; Yunnan.