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FOC | Family List | FOC Vol. 8 | Saxifragaceae | Deutzia

29. Deutzia staminea R. Brown ex Wallich, Pl. Asiat. Rar. 2: 82. 1831.

长柱溲疏 chang zhu sou shu

Deutzia brunoniana Wallich ex G. Don; D. staminea var. brunoniana (Wallich ex G. Don) J. D. Hooker & Thomson; D. staminea var. sikkimensis C. K. Schneider.

Shrubs 2-5 m tall. Flowering branchlets 2-5 cm, 2-6-leaved. Petiole 1.5-2.5 mm; leaf blade abaxially grayish green, adaxially green, ovate or narrowly so, 2.5-5 × 1-3.5 cm. papery, abaxially densely 9-14-rayed stellate hairy, indumentum continuous, hairs usually with long central rays, adaxially 4-6-rayed stellate hairy, veins in 4-6 pairs, base rounded or broadly cuneate, margin serrulate, apex obtuse or subacute. Cymes 2-4 cm, 9-25-flowered; pedicels 2-2.5 mm. Calyx tube ca. 3 × 2.5 mm, gray-yellow stellate hairy; lobes ovate or ovate-lanceolate, 1-2 cm, apex acute. Petals induplicate, white, oblong or elliptic, 6-8 × 3-4 mm, apex obtuse. Outer stamens ca. 5 mm; filaments unequally 2-dentate at apex, teeth exceeding anthers; anthers stalked, globose. Inner stamens ca. 2.5 mm; filaments unequally 2- or 3-lobed at apex; anthers borne near apex of filaments abaxially, stalked. Styles 3 or 4, ca. 7 mm. Capsule hemispheric, 3.5-4 mm, with persistent, erect calyx lobes. Fl. Jun, fr. Aug. 2n = 26*.

Thickets, mountain slopes; 2000-3000 m. SW Sichuan.(Muli Zang Zu Zizhixian), S Xizang, NW Yunnan [Bhutan, Kashmir, Nepal, Sikkim].


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