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

34. Deutzia aspera Rehder in Sargent, Pl. Wilson. 1: 149. 1912.

马桑溲疏 ma sang sou shu

Deutzia aspera var. fedorovii (Zaikonnikova) S. M. Hwang; D. fedorovii Zaikonnikova.

Shrubs 2-3 m tall. Flowering branchlets 5-15 cm, 4-6-leaved, stellate hairy, hairs with papilliform base. Petiole 4-5 mm; leaf blade ovate, ovate-elliptic or -lanceolate, or oblong, 3-10 × 1.5-3 cm, thinly leathery or papery, abaxially sparsely 5-9(-11)-rayed stellate hairy, indumentum discontinuous, adaxially (3 or)4-6-rayed stellate hairy, veins in 5 or 6 pairs, base broadly cuneate or rounded, margin serrulate, apex acuminate. Cymes 3-7 × 4-5 cm, 9-45-flowered; pedicels 3-5 mm. Calyx tube ca. 3 mm in diam., 8-14-rayed stellate hairy; lobes lanceolate or oblong-lanceolate, ca. 3 × 2 mm, leathery, l-veined. Petals induplicate, white or pink, broadly elliptic or obovate-elliptic, 0.7-1.4 cm × 4-6 mm. Outer stamens 5-8 mm; filaments 2-dentate at apex, teeth ± level with anthers; anthers stalked. Inner stamens 3.5-4 mm; filaments obtuse or acuminate at apex; anthers borne near middle of filaments abaxially. Styles 3(or 4), subequaling stamens. Capsule hemispheric, ca. 5 mm in diam., with persistent, erect calyx lobes. Fl. Apr-Nov, fr. Nov-Dec.

* Thickets, forests, mountain slopes; 500-2500 m. S Xizang, Yunnan.


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