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土庄绣线菊Spiraea pubescens

时间:2013-11-06 14:51来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 土庄绣线菊 学名( Scientific Name ): Spiraea pubescens Turcz. 英文名( English Common Name ): 别名( Chinese Common Name ): 土庄花 异名( Synonym ): Spiraea laucheana Koehne Spiraea ouensanensis H. Lv. 科
中文名(Chinese Name):土庄绣线菊
学名(Scientific Name):Spiraea pubescens Turcz.
英文名(English Common Name):
别名(Chinese Common Name):土庄花
异名(Synonym):Spiraea laucheana Koehne  Spiraea ouensanensis H. Lév. 
科属(Family & Genus):蔷薇科(Rosaceae)绣线菊属
形态特征(Description):灌木,高1-2米;小枝开展,稍弯曲,嫩时被短柔毛,褐黄色,老时无毛,灰褐色;冬芽卵形或近球形,先端急尖或圆钝,具短柔毛,外被数个鳞片。叶片菱状卵形至椭圆形,长2-4.5厘米,宽1.3-2.5厘米,先端急尖,基部宽楔形,边缘自中部以上有深刻锯齿,有时3裂,上面有稀疏柔毛,下面被灰色短柔毛;叶柄长2-4毫米,被短柔毛。伞形花序具总梗,有花15-20朵;花梗长7-12毫米,无毛;苞片线形,被短柔毛;花直径5-7毫米;萼筒钟状,外面无毛,内面有灰白色短柔毛;萼片卵状三角形,先端急尖,内面疏生短柔毛;花瓣卵形、宽倒卵形或近圆形,先端圆钝或微凹,长与宽各2-3毫米,白色;雄蕊25-30,约与花瓣等长;花盘圆环形,具10个裂片,裂片先端稍凹陷;子房无毛或仅在腹部及基部有短柔毛,花柱短于雄蕊。蓇葖果开张,仅在腹缝微被短柔毛,花柱顶生,稍倾斜开展或几直立,多数具直立萼片。花期5-6月,果期7-8月。
分布(Distribution):产东北、内蒙古、河北、河南、山西、陕西、甘肃、山东、湖北、安徽,生于海拔200-2500米干燥岩石坡地、向阳或半阴处、杂木林内。蒙古、俄罗斯和朝鲜也有分布。
用途(Use):
引自中国植物志英文版:FOC Vol. 9 Page 62      
Spiraea pubescens Turczaninow, Bull. Soc. Imp. Naturalistes Moscou. 5: 190. 1832.
土庄绣线菊 tu zhuang xiu xian ju| Rosaceae  | Spiraea
Shrubs 1–2 m tall. Branchlets spreading, slightly bent, yellow-brown to black-brown, pubescent when young, later glabrous; buds ovoid or subglobose, with several scales, pubescent, apex acute or obtuse. Petiole 2–4 mm, pubescent; leaf blade rhombic-ovate to elliptic, 2–4.5 × 1.3–2.5 cm, abaxially gray-pubescent, adaxially pilose, base broadly cuneate, margin deeply incised serrate, sometimes 3-lobed above middle, apex acute. Umbels pedunculate, 2–4.5 × 2–3.5 cm, 15–20-flowered; pedicels 7–12 mm, glabrous; bracts linear, 2–3 mm, pubescent. Flowers 5–7 mm in diam. Hypanthium campanulate, glabrous abaxially. Sepals ovate-triangular or triangular, 1.5–2 mm, erect in fruit, apex acute. Petals white, ovate, broadly obovate, or suborbicular, 2–3.5 × 2–3 mm, apex obtuse or emarginate. Stamens 25–30, nearly equaling petals. Disk annular, 10-lobed; lobes slightly emarginate at apex. Carpels glabrous, or pubescent near base and on adaxial suture; styles shorter than stamens. Follicles spreading, puberulous on adaxial suture or wholly pubescent; styles terminal, slightly divergent or suberect. Fl. May–Jun, fr. Jul–Aug.
Mixed forests, open forests, shady slopes, open or semishaded places, dry rocky slopes; 200--2500 m. Anhui, Gansu, Hebei, Heilongjiang, Henan, Hubei, Jilin, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi, Sichuan [Korea, Mongolia, Russia].


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