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狐尾蓼Polygonum alopecuroides

时间:2013-10-30 14:12来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):狐尾蓼 学名( Scientific Name ): Polygonum alopecuroides Turcz. ex Meissn. 英文名( English Common Name ): 别名( Chinese Common Name ): 狐尾拳参 异名( Synonym ): Bistorta alopecuroides (Turcz. ex Bess.)
中文名(Chinese Name):狐尾蓼
学名(Scientific Name):Polygonum alopecuroides Turcz. ex Meissn.
英文名(English Common Name):
别名(Chinese Common Name):狐尾拳参
异名(Synonym):Bistorta alopecuroides (Turcz. ex Bess.) Kom.  Bistorta alopecuroides f. pilosa (C. F. Fang) Kitag.  Polygonum alopecuroides f. pilosum C. F. Fang  Polygonum zeaense Kom. 
科属Family & Genus):蓼科(Polygonaceae)蓼属
形态特征(Description):多年生草本。根状茎肥厚,直径1-2厘米,弯曲。茎直立,高50-90厘米,不分枝,无毛。基生叶狭长圆形或长圆状披针形,纸质,长10-15厘米,宽1-2厘米,顶端渐尖,基部楔形,沿叶柄下延成翅,全缘,上面绿色,下面灰绿色,两面无毛或下面有短柔毛,叶柄长10-20厘米;茎生叶5-6, 披针形或狭披针形,顶端渐尖,基部近圆形或微心形,叶柄极短或近无柄;托叶鞘筒状,膜质,下部绿色,上部褐色,开裂至中部,无缘毛。总状花序呈穗状,顶生,紧密,长4-7厘米,直径约1厘米。苞片宽椭圆形,具尾状尖,每苞内具2-3花;花梗细弱,比苞片长;花被5深裂,白色或淡红色,花被片长椭圆形,长2.5-3毫米,雄蕊8, 比花被长;花柱3, 离生,柱头头状。瘦果长卵状,具3锐棱,长约3毫米,褐色,有光泽,包于宿存花被。花期6-7月,果期7-8月。
分布(Distribution):产东北、内蒙古,生海拔900-2300米于草甸、山坡草地。俄罗斯也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 5 Page 296
Polygonum alopecuroides Turczaninow ex Besser, Fl. Beibl. 23. 1834.
狐尾拳参 hu wei quan shen | Polygonaceae  | Polygonum
Bistorta alopecuroides (Turczaninow ex Besser) Komarov; B. alopecuroides (Turczaninow ex Besser) Komarov f. pilosa (C. F. Fang) Kitagawa; Polygonum alopecuroides Turczaninow ex Besser f. pilosum C. F. Fang.
Herbs perennial. Rhizomes curved, large, 1-2 cm in diam. Stems erect, 50-90 cm tall, simple, glabrous. Basal leaves long petiolate; petiole 10-20 cm; leaf blade gray-green abaxially, green adaxially, narrowly oblong or oblong-lanceolate, 10-15 × 1-2 cm, papery, both surfaces glabrous or pubescent, base cuneate, decurrent along petiole, margin entire, apex acuminate. Cauline leaves shortly petiolate or subsessile, lanceolate, base subrounded or nearly cordate, apex acuminate; ocrea: lower part green, upper part brown, tubular, membranous, dehiscent at middle, not ciliate. Inflorescence terminal, spicate, dense, 4-7 cm, ca. 1 cm in diam.; bracts broadly elliptic, apex caudate, each 2- or 3-flowered. Pedicels longer than bracts, slender. Perianth white or pinkish, 5-parted; tepals narrowly elliptic, 2.5-3 mm. Stamens 8, exserted. Styles 3, free; stigmas capitate. Achenes included in persistent perianth, brown, shiny, narrowly ovoid, sharply trigonous, ca. 3 mm. Fl. Jun-Jul, fr. Jul-Aug.
Mountain slopes, meadows; 900-2300 m. Heilongjiang, Jilin, Liaoning, Nei Mongol [Mongolia, Russia (Far East, Siberia)].
 


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