大花溲疏Deutzia grandiflora

中文名(Chinese Name):大花溲疏
学名(Scientific Name):Deutzia grandiflora Bunge
英文名(English Common Name):
别名(Chinese Common Name):华北溲疏
异名(Synonym):Deutzia baroniana var. insignis Pamp.  Deutzia grandiflora var. glabrata Maxim.  Deutzia grandiflora var. minor Maxim.  Deutzia grandiflora var. typica Schneid. 
科属Family & Genus):虎耳草科(Saxifragaceae)溲疏属
形态特征Description):灌木,高约2米;老枝紫褐色或灰褐色,无毛,表皮片状脱落;花枝开始极短,以后延长达4厘米,具2-4叶,黄褐色,被具中央长辐线星状毛。叶纸质,卵状菱形或椭圆状卵形,长2-5.5厘米,宽1-3.5厘米,先端急尖,基部楔形或阔楔形,边缘具大小相间或不整齐锯齿,上面被4-6辐线星状毛,下面灰白色,被7-11辐线星状毛,毛稍紧贴,沿叶脉具中央长辐线,侧脉每边5-6条;叶柄长1-4毫米,被星状毛。聚伞花序长和直径均1-3厘米,具花 (1-) 2-3朵;花蕾长圆形;花冠直径2-2.5厘米;花梗长1-2毫米,被星状毛;萼筒浅杯状,高约2.5毫米,直径约4毫米,密被灰黄色星状毛,有时具中央长辐线,裂片线状披针形,较萼筒长,宽1-1.5毫米,被毛较稀疏;花瓣白色,长圆形或倒卵状长圆形,长约1.5厘米,宽约7毫米,先端圆形,中部以下收狭,外面被星状毛,花蕾时内向镊合状排列;外轮雄蕊长6-7毫米,花丝先端2齿,齿平展或下弯成钩状,花药卵状长圆形,具短柄,内轮雄蕊较短,形状与外轮相同;花柱3(-4),约与外轮雄蕊等长。蒴果半球形,直径4-5毫米,被星状毛,具宿存萼裂片外弯。花期4-6月,果期9-11月。
分布(Distribution):产辽宁、内蒙古、河北、山西、陕西、甘肃、山东、江苏、河南、湖北等省区,生于海拔800-1600米山坡、山谷和路旁灌丛中。
用途(Use):
引自中国植物志英文版:FOC Vol. 8 Page 387     
Deutzia grandiflora Bunge, Enum. Pl. China Bor. 30. 1833.
大花溲疏 da hua sou shu| Saxifragaceae  | Deutzia
Deutzia baroniana Diels var. insignis Pampanini; D. grandiflora var. glabrata Maximowicz; D. grandiflora var. minor Maximowicz.
Shrubs ca. 2 m tall. Flowering branchlets yellow-brown, very short initially, elongating to ca. 4 cm, 2-4-leaved, stellate hairy, hairs with central rays. Petiole 1-4 mm; leaf blade abaxially grayish, ovate-rhomboid or elliptic-ovate, 2-5.5 × 1-3.5 cm, papery, abaxially appressed 7-11-rayed stellate hairy, indumentum continuous, hairs along veins with central rays, adaxially 4-6-rayed stellate hairy, veins in 5 or 6 pairs, base cuneate or broadly so, margin irregularly serrulate, apex acute. Cymes 1-3 × 1-3 cm, 1-3(-5)-flowered; pedicels 3-12 mm. Calyx tube ca. 2.5 × 4 mm, densely gray-yellow stellate hairy, hairs sometimes with central rays; lobes linear-lanceolate, longer than tube, 1-1.5 mm wide. Petals induplicate, white, oblong or ovate-oblong, ca. 1.5 × 7 mm. Outer stamens 6-7 mm; filaments 2-dentate at apex, teeth horizontal or recurved, falcate; anthers stalked, ovoid-oblong. Inner stamens shorter than outer ones. Styles 3(or 4), subequaling stamens. Capsule hemispheric, 4-5 mm in diam., stellate hairy, with persistent, recurved calyx lobes. Fl. Apr-Jun, fr. Sep-Nov.
* Thickets, mountain slopes, valleys; 800-1600 m. Gansu, Hebei, Henan, ?Hubei, Hunan, ?Jiangsu, Liaoning, ?Nei Mongol, Shaanxi, Shandong, Shanxi.
 大花溲疏Deutzia grandiflora

大花溲疏Deutzia grandiflora

大花溲疏Deutzia grandiflora
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