Objective:To provide referencing evidences for certifying, researching and developing Dong' s medicine In-ula nervosa. Method:Trait and microscope observation are utilized to observe all organs of Inula nervosa. Result: Inula nervosa's sterms,leaves and total bract are covered heavily by yellow trichome with white trichome on its rhizome. In-terruptedly ranged stone cell rings and notable endodermis can be observed in its root. Calcium oxalate columnar crystal can be seen in powder of Inula nervosa's flower. Conclusion:The trait and microscope characteristics researched can help certificate Inula nervosa in practices.%目的:为鉴别、研究和开发民间药物显脉旋覆花提供参考依据.方法:采用性状和显微方法观察显脉旋覆花各器官.结果:显脉旋覆花的茎、叶、总苞片密被黄色毛茸.根茎部有白色毛茸,根的皮层可见断续排列的石细胞环.花的粉末中可见草酸钙柱晶.结论:以上性状和显微特征对显脉旋覆花具有鉴别意义.
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