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灯盏细辛的鉴别方法与药材性状

ว 2026-09-09 23:09:42ที่ 鉴别方法เ 中国国际医疗服务系统
灯盏细辛药材全长15~25cm,常扎成小把。根茎长1~3cm,直径0.2~0.5cm,表面凹凸不平,着生多数圆柱形细根,根长约10cm,淡黄色至淡褐色。基生叶莲座状,叶片匙形或倒披针形,长1.5~9cm,宽0.5~1.3cm,先端钝圆,有短尖,基部渐狭下延成翅状,全缘,两面被疏毛,具3~5条叶脉。茎生叶互生,叶片匙形或倒披针形,长1~4cm,宽0.3~0.8cm,基部半抱茎。头状花序单生于茎顶,直径1~1.5cm,总苞半球形,总苞片3层,舌状花雌性,蓝紫色,管状花两性,黄色。瘦果扁平,有冠毛。气微香,味辛、微苦。以叶多、色绿、花蓝紫色者为佳。分布于湖南、广西、四川、贵州、云南及西藏等地。
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