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老鹳草的药材鉴别与采收

时 2026-09-10 00:18:33源 https://www.yaopinnet.com/zy/yaocai/laoguancao.htm撰 admin

老鹳草药材来源复杂,商品主要有三类:牻牛儿苗(长嘴老鹳草)、老鹳草(短嘴老鹳草)及野老鹳草。牻牛儿苗茎呈圆柱形,表面灰绿色或带紫色,节明显,叶片卷曲皱缩,质脆易碎;蒴果长约1厘米,顶端具长喙,成熟时5裂,喙部呈螺旋状卷曲,为其鉴别要点。老鹳草茎较粗,蒴果较短。野老鹳草叶掌状深裂较细。均以茎叶干燥、色绿、果实饱满者为佳。老鹳草夏季花后果实近成熟时采收,割取地上部分除去杂质晒干。主产于河北、山西、山东、云南、四川等地。其别名老鹳嘴、老鸦嘴、鹌子嘴、五叶草、破铜钱等,因蒴果细长如鹳鸟之喙、成熟开裂时形似老鹳啄食而得名。商品药材以牻牛儿苗分布最广、使用最多,为市场主流品种,选购时以干燥、色绿、无泥土杂质者为优。

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