牻牛儿苗Erodium stephanianum

中文名Chinese Name):牻牛儿苗
学名Scientific Name):Erodium stephanianum Willd.
英文名(English Common Name):
别名(Chinese Common Name):太阳花
异名(Synonym):Geranium stephanianum Poir.  Erodium stephanianum var. atranthum Nakai ex Kitag.  Geranium stevenii (M.Bieb.) Poir.
科属(Family & Genus):牻牛儿苗科(Geraniaceae)牻牛儿苗属
形态特征(Description):多年生草本,高通常15-50厘米,根为直根,较粗壮,少分枝。茎多数,仰卧或蔓生,具节,被柔毛。叶对生;托叶三角状披针形,分离,被疏柔毛,边缘具缘毛;基生叶和茎下部叶具长柄,柄长为叶片的1.5-2倍,被开展的长柔毛和倒向短柔毛;叶片轮廓卵形或三角状卵形,基部心形,长5-10厘米,宽3-5厘米,二回羽状深裂,小裂片卵状条形,全缘或具疏齿,表面被疏伏毛,背面被疏柔毛,沿脉被毛较密。伞形花序腋生,明显长于叶,总花梗被开展长柔毛和倒向短柔毛,每梗具2-5花;苞片狭披针形,分离;花梗与总花梗相似,等于或稍长于花,花期直立,果期开展,上部向上弯曲;萼片矩圆状卵形,长6-8毫米,宽2-3毫米,先端具长芒,被长糙毛,花瓣紫红色,倒卵形,等于或稍长于萼片,先端圆形或微凹;雄蕊稍长于萼片,花丝紫色,中部以下扩展,被柔毛;雌蕊被糙毛,花柱紫红色。蒴果长约4厘米,密被短糙毛。种子褐色,具斑点。花期6-8月,果期8-9月。
分布(Distribution):分布长江中下游以北的华北、东北、西北、四川西北和西藏。生于干山坡、农田边、沙质河滩地和草原凹地等。俄罗斯、日本、蒙古、中亚各国等广泛分布。
用途(Use):全草供药用,有祛风除湿和清热解毒之功效。
引自中国植物志英文版FOC Vol. 11 Page 29, 30
Erodium stephanianum Willdenow, Sp. Pl. 3: 625. 1800.
牻牛儿苗 mang niu er miao| Geraniaceae  | Erodium
Erodium stephanianum var. atranthum Nakai ex Kitagawa.
Perennials 20-50(-120) cm tall. Stems numerous, ascending to decumbent. Stipules triangular-lanceolate, 3-8 mm. Leaves opposite; leaf blade 4-7 cm, ovate to triangular-ovate, pinnately parted with basal pair of lobes distinct, both surfaces sparsely appressed pilose. Pseudoumbels conspicuously longer than leaves, with 2-5 hermaphrodite flowers; peduncle both spreading pilose and retrorsely pubescent. Pedicel 1/4-1/3 as long as peduncle. Sepals oblong-ovate, 6-9 mm, hirsute, apex awned. Petals purple, without a basal spot, obovate, 5-7 mm. Mericarp 8-11 mm, with apical pit, without ridges or furrows; awn not plumose. Fl. Jul-Aug, fr. Aug-Sep.
Meadows, steppes, flood plains, farmlands; 400-4000 m. Anhui, Gansu, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Xinjiang, Xizang [Afghanistan, Kashmir, Korea, Kyrgyzstan, Mongolia, Nepal, Pakistan, Russia].
牻牛儿苗Erodium stephanianum

牻牛儿苗Erodium stephanianum

牻牛儿苗Erodium stephanianum(责任编辑:徐晔春)

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