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柳叶绣线菊Spiraea salicifolia

时间:2013-11-07 14:00来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 柳叶绣线菊 学名( Scientific Name ): Spiraea salicifolia L. 英文名( English Common Name ): willowleaf meadowsweet 别名( Chinese Common Name ): 绣线菊 异名( Synonym ): Spiraea humilis Pojark. Spiraea am
中文名(Chinese Name):柳叶绣线菊
学名(Scientific Name):Spiraea salicifolia L.
英文名(English Common Name):willowleaf meadowsweet
别名(Chinese Common Name):绣线菊
异名(Synonym):Spiraea humilis Pojark.  Spiraea amena var. pauciflora Raf.  Spiraea salicifolia var. humilis (Pojark.) H.Hara  Spiraea salicifolia var. lanceolata Matsum.
科属(Family & Genus):蔷薇科(Rosaceae)绣线菊属
形态特征(Description):直立灌木,高1-2米;枝条密集,小枝稍有稜角,黄褐色,嫩枝具短柔毛,老时脱落;冬芽卵形或长圆卵形,先端急尖,有数个褐色外露鳞片,外被稀疏细短柔毛。叶片长圆披针形至披针形,长4-8厘米,宽1-2.5厘米,先端急尖或渐尖,基部楔形,边缘密生锐锯齿,有时为重锯齿,两面无毛;叶柄长1-4毫米,无毛。花序为长圆形或金字塔形的圆锥花序,长6-13厘米,直径3-5厘米,被细短柔毛,花朵密集;花梗长4-7毫米;苞片披针形至线状披针形,全缘或有少数锯齿,微被细短柔毛;花直径5-7毫米;萼筒钟状;萼片三角形,内面微被短柔毛;花瓣卵形,先端通常圆钝,长2-3毫米,宽2-2.5毫米,粉红色;雄蕊50,约长于花瓣2倍;花盘圆环形,裂片呈细圆锯齿状;子房有稀疏短柔毛,花柱短于雄蕊。蓇葖果直立,无毛或沿腹缝有短柔毛,花柱顶生,倾斜开展,常具反折萼片。花期6-8月,果期8-9月。
分布(Distribution):产东北、内蒙古、河北,生长于海拔200-900米河流沿岸、湿草原、空旷地和山沟中。蒙古、日本、朝鲜、俄罗斯以及欧洲有分布。
用途(Use):夏季盛开粉红色鲜艳花朵,栽培供观赏用,又为蜜源植物。
引自中国植物志英文版:FOC Vol. 9 Page 50      
Spiraea salicifolia Linnaeus, Sp. Pl. 1: 489. 1753.
绣线菊 xiu xian ju| Rosaceae  | Spiraea
Shrubs erect, to 2 m tall. Branchlets dense, yellowish brown, slightly angled, pubescent when young, later glabrescent; buds ovoid to oblong-ovoid, 3–5 mm, with several brown scales, apex acute. Petiole 1–4 mm, glabrous; leaf blade oblong-lanceolate to lanceolate, 4–8 × 1–2.5 cm, glabrous, occasionally thinly pubescent on margin, base cuneate, margin entire to densely and sharply serrate or deeply incised doubly serrate, apex acute or acuminate. Panicles oblong to pyramidal, 6–13 × 3–5 mm, densely many flowered; rachis and pedicels thinly pubescent; pedicels 4–7 mm; bracts lanceolate to linear-lanceolate, 6–10 mm, slightly thinly pubescent, margin entire or with a few teeth. Flowers 5–7 mm in diam. Hypanthium campanulate, puberulous abaxially. Sepals triangular, 1–1.5 mm, ascending in fruit. Petals pink, ovate, 2–3.5 × 2–2.5(–3) mm, apex often obtuse. Stamens ca. 30, nearly 2 × as long as petals. Disk annular, with crenulate lobes. Carpels sparsely pubescent; styles shorter than stamens. Follicles erect, almost parallel, glabrous or sparsely pubescent on adaxial suture; styles recurved. Fl. Jun–Aug, fr. Aug–Sep.
River banks, meadows in valleys, damp grasslands, gullies, slopes, clearings; 200--900 m. Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Shanxi [Japan, Korea, Mongolia, Russia; Europe, North America].
 




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