紫花溲疏 zi hua sou shu

Deutzia discolor Hemsley var. purpurascens Franchet ex L. Henry, Jardin 8: 147. 1894.

Shrubs 1-2 m tall. Flowering branchlets 5-12 cm, 2-4-leaved. Petiole 2-6 mm; leaf blade abaxially greenish, broadly ovate-lanceolate or ovate-oblong, 4-9.5 × 2-2.8 cm, thinly leathery or papery, abaxially sparsely 4-8(-10)-rayed stellate hairy, hairs along veins with central rays, adaxially sparsely 3-5-rayed stellate hairy, hairs with central rays, veins in 4 or 5 pairs, base broadly cuneate or rounded, margin serrulate, apex acuminate, rarely acute. Corymbose cymes 4-6 × 5-7 cm, 3-12-flowered; pedicels 0.5-3 cm. Calyx tube 2.5-3.5 × ca. 4 mm; lobes lanceolate or oblong-lanceolate, 4-4.5 mm, leathery. Petals induplicate, pink, obovate or oblong, 1.2-1.7 cm × 5-8 mm, apex obtuse. Outer stamens 5-8 mm; filament teeth exceeding anthers; anthers stalked, oblong. Inner stamens shorter than outer ones; filaments 2-lobed at apex; anthers borne near middle of filaments abaxially. Styles 3 or 4, subequaling stamens. Capsule hemispheric, ca. 4.5 mm in diam., with persistent, recurved calyx lobes. Fl. Apr-Jun, fr. Jun-Oct.

Thickets; 2600-3500 m. Sichuan, SE Xizang, Yunnan [India, Myanmar].