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泽漆的原植物形态与鉴别

ว 2026-09-10 00:18:31ที่ https://www.wiki8.cn/wuduoyun_150455/เ admin

泽漆为二年生草本,全株含白色乳汁,茎基部多分枝带紫红色。叶互生,倒卵形或匙形,先端钝圆或微凹,基部楔形,叶缘中部以上有细锯齿。杯状聚伞花序顶生,伞梗5枚,轮状排列,每伞梗再二叉分枝;总苞钟形,先端4裂,腺体4枚肾形;蒴果无毛。药材以全草入药,别名五朵云、猫眼草,因顶生五枚伞梗形似五朵云而得名。其茎断后流出白色乳浆为显著鉴别特征。夏、秋季采挖全草,除去泥沙晒干。除新疆、西藏外分布几遍全国,生于沟边、路旁、荒野等湿润处。本品为中国植物图谱数据库收录的有毒植物,乳汁对口腔黏膜有刺激作用,入眼有失明危险,采集加工时须注意防护。临床干品用量宜轻,鲜品外用亦须避免接触黏膜。以上性状与显微鉴别要点可作为临床及药材采购时的真伪优劣鉴别参考。

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