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大叶石龙尾Limnophila rugosa

时间:2013-11-09 15:16来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 大叶石龙尾 学名( Scientific Name ): Limnophila rugosa (Roth) Merr. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Herpestis rugosa Roth 科属( Family Genus ): 玄参科(S
中文名(Chinese Name):大叶石龙尾
学名(Scientific Name):Limnophila rugosa (Roth) Merr.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Herpestis rugosa Roth 
科属(Family & Genus):玄参科(Scrophulariaceae)石龙尾属
形态特征(Description):多年生草本,高10-50厘米,具横走而多须根的根茎。茎自根茎发出,1条或数条而略成丛,直立或上升,通常不分枝,略成四方形,无毛。叶对生,具长1-2厘米带狭翅的柄;叶片卵形、菱状卵形或椭圆形,长3-9厘米,宽1-5厘米,边缘具圆齿;上面无毛或疏被短硬毛,遍布灰白色泡沫状凸起;下面脉上被短硬毛;脉羽状,每侧约10条,直达边缘,在叶的下面隆起。花无梗,无小苞片,通常聚集成头状,总花梗长2-30毫米,苞片近于匙状矩圆形,全缘或前端略具波状齿,基部无柄,与萼同被缘毛及扁平而膜质的腺点,花除上述排列外,亦有单生叶腋的;萼长6-8毫米,果实成熟时不具凸起的条纹或仅具5条凸起的纵脉;花冠紫红色或蓝色,长可达16毫米;花柱纤细,顶端圆柱状而被短柔毛,稍下两侧具较厚而非膜质的耳。蒴果卵珠形,多少两侧扁,长约5毫米,浅褐色。花果期8-11月。
分布(Distribution):分布于广东、福建、台湾、湖南、云南等省,生于水旁、山谷、草地。日本、东南亚也有。
用途(Use):全草药用。
引自中国植物志英文版:FOC Vol. 18 Page 27     
Limnophila rugosa (Roth) Merrill, Interpr. Herb. Amboin. 466. 1917.
大叶石龙尾 da ye shi long wei| Scrophulariaceae | Limnophila
Herpestis rugosa Roth, Nov. Pl. Sp. 290. 1821.
Perennials, 10-50 cm tall. Rhizomes transverse. Stems 1 to few, fascicled, erect or ascending, usually unbranched, glabrous. Leaves opposite; petiole 1-2 cm, narrowly winged; leaf blade ovate, rhomboid-elliptic, or elliptic, 3-9 X 1-5 cm, abaxially hispidulous along veins, adaxially glabrous or sparsely hispidulous, margin crenate; veins pinnate, ca. 10 on each side of midrib, abaxially raised. Peduncle 0.2-3 cm; bracts subspatulate-oblong, with flattened membranous glands, margin entire or apically undulate-toothed and ciliate. Flowers axillary, solitary, sessile, usually appearing capitate. Bracteoles absent. Calyx 6-8 mm, without raised veins in fruit or with 5 raised veins and flattened membranous glands, margin ciliate. Corolla purple-red to blue, to 1.6 cm. Style slender, apically cylindric, pubescent, with a membranous auricle on both sides. Capsule pale brown, ovoid, ca. 5 mm. Fl. and fr. Aug-Nov.
Adjacent to water, mountain valleys, grassland; below 900 m. Anhui, Fujian, Guangdong, Guangxi, Hunan, Taiwan, Yunnan [Bhutan, India, Indonesia, Japan (Ryukyu Islands), Laos, Malaysia, Myanmar, Nepal, Philippines, Sikkim, Thailand, Vietnam; Pacific Islands].
Used medicinally.
 


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