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毛蕊老鹳草Geranium platyanthum

时间:2013-09-11 12:01来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):毛蕊老鹳草 学名( Scientific Name ): Geranium platyanthum Duthie 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Geranium eriostemon var. pallidum Sweet Geranium eriostemon
中文名(Chinese Name):毛蕊老鹳草
学名(Scientific Name):Geranium platyanthum Duthie
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Geranium eriostemon var. pallidum Sweet  Geranium eriostemon f. megalanthum (Nakai) Y.C. Zhu  Geranium eriostemon var. glabrescens Nakai in H. Hara  Geranium eriostemon var. caeruleum Sweet  Geranium onoei var. glabrescens (Nakai) Yonek.  Geranium eriostemon f. hypoleucum (Nakai) Y.C. Zhu  Geranium eriostemon var. hypoleucum Nakai  Geranium eriostemon var. megalanthum Nakai
科属(Family & Genus):牻牛儿苗科(Geraniaceae)老鹳草属
形态特征(Description):多年生草本,高30-80厘米。根茎短粗,直生或斜生,上部围残存基生托叶,下部具束生纤维状肥厚块根或肉质细长块根。茎直立,单一,假二叉状分枝或不分枝,被开展的长糙毛和腺毛或下部无明显腺毛。叶基生和茎上互生;托叶三角状披针形,长8-12毫米,宽3-4毫米,外被疏糙毛;基生叶和茎下部叶具长柄,柄长为叶片的2-3倍,密被糙毛,向上叶柄渐短;叶片五角状肾圆形,长5-8厘米,宽8-15厘米,掌状5裂达叶片中部或稍过之,裂片菱状卵形或楔状倒卵形,下部全缘,上部边缘具不规则牙齿状缺刻,齿端急尖,具不明显短尖头,表面被疏糙伏毛,背面主要沿脉被糙毛。花序通常为伞形聚伞花序,顶生或有时腋生,长于叶,被开展的糙毛和腺毛,总花梗具2-4花;苞片钻状,长2-3毫米,宽近1毫米;花梗与总花梗相似,长为花的1.5-2倍,稍下弯,果期劲直;萼片长卵形或椭圆状卵形,长8-10毫米,宽3-4毫米,先端具短尖头,外被糙毛和开展腺毛;花瓣淡紫红色,宽倒卵形或近圆形,经常向上反折,长10-14毫米,宽8-10毫米,具深紫色脉纹,先端呈浅波状,基部具短爪和白色糙毛;雄蕊长为萼片的1.5倍,花丝淡紫色,下部扩展和边缘被糙毛,花药紫红色,雌蕊稍短于雄蕊,被糙毛,花柱上部紫红色,花柱分枝长3-4毫米。蒴果长约3厘米,被开展的短糙毛和腺毛。种子肾圆形,灰褐色,长约2毫米,宽约1.5毫米。花期6-7月,果期8-9月。
分布(Distribution):分布于东北、华北、西北(除新疆)、湖北、四川等。生于山地林下、灌丛和草甸。俄罗斯、蒙古和朝鲜有分布。
用途(Use):
引自中国植物志英文版FOC Vol. 11 Page 8, 17, 21
Geranium platyanthum Duthie, Gard. Chron., ser. 3. 39: 52. 1906.
毛蕊老鹳草 mao rui lao guan cao | Geraniaceae  | Geranium
Geranium eriostemon Fischer ex Candolle (1824), not Poiret (1812).
Perennials. Rootstock ± horizontal, 6-11 mm in diam., not tuberculate, with thickened roots along rootstock. Stem 29-66 cm tall, erect, not rooting at nodes, with 0.6-1.5 mm patent nonglandular trichomes and usually 0.4-1 mm patent glandular trichomes. Stipules lanceolate, distinct. Leaves 1(or 2) alternate but opposite at inflorescence; petiole with 0.4-1.7 mm patent nonglandular trichomes and usually 0.5-1.2 mm patent glandular trichomes; leaf blade 4.8-13 cm, palmately cleft, ratio of main sinus/middle segment length = 0.6-0.75(-0.78), pilose with ± appressed nonglandular trichomes; segments 5, rhombic, (1-)1.7-2.3(-3.4) cm wide at base, 6-23-lobed in distal half, ratio of second sinus/middle segment length = 0.08-0.18. Cymules solitary or in aggregates at apex of each branch, 2-flowered; peduncle (0-)1.6-5.4 cm. Pedicel 2.8-16.8 mm, with 0.3-1.4 mm patent to retrorse nonglandular trichomes and 0.3-1.1 mm patent glandular trichomes; bracteoles linear- lanceolate. Sepals 6.4-10.8 mm, mucro 0.4-1.6 mm, ratio of mucro/sepal length = 0.06-0.19, outside with 0.2-1.2 mm antrorse appressed nonglandular trichomes and 0.5-1.8 mm patent glandular trichomes, inside glabrous. Petals purplish or white, (1-)1.2-1.9 cm, erect to patent, outside basally with trichomes, inside glabrous, margin basally ciliate, apex rounded. Staminal filaments purplish, lanceolate, abaxially pilose and proximal half ciliate, trichomes 2-3 mm; anthers bluish, 2.3-2.9 mm. Nectaries 5, hemispheric, glabrous. Stigma greenish to dull red. Fruit 2.8-4 cm, erect when immature; mericarps smooth, with a basal callus, with 0.1-1.4 mm ± patent nonglandular trichomes and 0.6-0.9 mm patent glandular trichomes; rostrum 2.3-3.4 cm, with a 4.8-9.8 mm narrowed apex; stigmatic remains 2.1-2.6 mm. Seeds 2.6-3.2 mm. Fl. Jun-Jul, fr. Aug-Sep. 2n = 28.
Forests, scrub, meadows; 1000-2700 m. S Gansu, Hebei, Heilongjiang, W Hubei, Jilin, Liaoning, Nei Mongol, Ningxia, E Qinghai, Shanxi, Sichuan [Korea, Mongolia, E Russia].
In Geranium platyanthum, the presence of glandular trichomes is almost constant along the whole plant. Geranium reinii Franchet & Savatier is a species endemic to Japan that is quite similar to G. platyanthum but with leaves slightly more divided.




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