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粉花月见草 Oenothera rosea

时间:2013-10-23 14:29来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):粉花月见草 学名( Scientific Name ): Oenothera rosea LHr. ex Aiton 英文名( English Common Name ): rose evening primrose 别名( Chinese Common Name ): 异名( Synonym ): Hartmannia affinis Spach Hartmannia
中文名(Chinese Name):粉花月见草
学名(Scientific Name):Oenothera rosea L'Hér. ex Aiton
英文名(English Common Name):rose evening primrose
别名(Chinese Common Name):
异名(Synonym):Hartmannia affinis Spach  Hartmannia gauroides Spach  Hartmannia rosea var. parvifolia (J.M. Coult.) Small  Hartmannia rosea (L'Hér. ex Aiton) G. Don  Hartmannia virgata (Ruiz & Pav.) Spach  Oenothera virgata Ruiz & Pav.  Oenothera psycrophila BALL  Oenothera rosea var. parvifolia J.M. Coult.  Oenothera rubra Cav.  Xylopleurum roseum (L'Hér. ex Aiton) Raim.
科属Family & Genus):柳叶菜科(Onagraceae)月见草属
形态特征Description):多年生草本,具粗大主根(粗达1.5厘米);茎常丛生,上升,长30-50厘米,多分枝,被曲柔毛,上部幼时密生,有时混生长柔毛,下部常紫红色。基生叶紧贴地面,倒披针形,长1.5-4厘米,宽1-1.5厘米,先端锐尖或钝圆,自中部渐狭或骤狭,并不规则羽状深裂下延至柄;叶柄淡紫红色,长0.5-1.5厘米,开花时基生叶枯萎。茎生叶灰绿色,披针形(轮廓)或长圆状卵形,长3-6厘米,宽1-2.2厘米,先端下部的钝状锐尖,中上部的锐尖至渐尖,基部宽楔形并骤缩下延至柄,边缘具齿突,基部细羽状裂,侧脉6-8对,两面被曲柔毛;叶柄长1-2厘米。花单生于茎、枝顶部叶腋,近早晨日出开放;花蕾绿色,锥状圆柱形,长1.5-2.2厘米,顶端萼齿紧缩成喙;花管淡红色,长5-8毫米,被曲柔毛,萼片绿色,带红色,披针形,长6-9毫米,宽2-2.5毫米,先端萼齿长1-1.5毫米,背面被曲柔毛,开花时反折再向上翻;花瓣粉红至紫红色,宽倒卵形,长6-9毫米,宽3-4毫米,先端钝圆,具4-5对羽状脉;花丝白色至淡紫红色,长5-7毫米;花药粉红色至黄色,长圆状线形,长约3毫米,花粉约50%发育;子房花期狭椭圆状,长约8毫米,连同花梗长6-10毫米,密被曲柔毛;花柱白色,长8-12毫米,伸出花管部分长4-5毫米;柱头红色,围以花药,裂片长约2毫米,花粉直接授在裂片上。蒴果棒状,长8-10毫米,径3-4毫米,具4条纵翅,翅间具棱,顶端具短喙;果梗长6-12毫米。种子每室多数,近横向簇生,长圆状倒卵形,长0.7-0.9毫米,径0.3-0.5毫米。花期4-11月,果期9-12月。
分布(Distribution):原产美国至墨西哥,在我国南方地区逸为野生,生于海拔1000-2000米荒地草地、沟边半阴处。
用途(Use):根入药,有消炎、降血压功效。
引自中国植物志英文版:FOC Vol. 13 Page 423, 426   
Oenothera rosea L’Héritier ex Aiton, Hort. Kew. 2: 3. 1789.
粉花月见草 fen hua yue jian cao| Onagraceae  | Oenothera
Herbs ascending to decumbent, perennial, rhizomatous and sometimes suffrutescent from woody caudex, rarely with basal rosette. Stems 7-65 cm, simple or branched, strigillose, sometimes with longer spreading hairs. Leaves green, with inconspicuous veins, glabrous to sparsely strigillose; petioles 3-20 mm; basal blade 2-5 × 0.5-2 cm; cauline blade elliptic to oblanceolate or oblong-ovate, 1-6 × 0.4-2.5 cm, base attenuate, margin subentire to coarsely dentate, sometimes sinuate-pinnatifid at leaf base, apex acute to obtuse. Inflorescence a lax open simple raceme. Flowers open near sunrise; floral tube 4-10 mm. Sepals 5-10 mm, with free tips 0.4-1 mm. Petals pink to rose-purple, 5-12 mm. Anthers 2-3.5 mm; pollen ca. 50% fertile. Ovary usually densely strigillose; stigma surrounded by anthers. Capsules clavate or narrowly obovoid, 4-12 mm, valves angled or weakly winged, attenuate to slender sterile stipe (pedicel) 5-20 mm. Seeds in several indistinct rows per locule, brown with dark spot at each end, obovoid, 0.5-1.2 mm, finely papillose. Fl. May-Nov, fr. Jun-Dec. 2n = 14, permanent translocation heterozygote; self-compatible, autogamous.
Disturbed habitats along creeks and in low weedy places; 1000-2000 m. Guizhou, Jiangxi, Sichuan, Yunnan, Zhejiang [Japan; native to S North America and N South America, frequently cultivated and naturalized in SW Asia, Australia, Europe, and South America].




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