卵叶三脉紫菀 Aster ageratoides Turcz.var.oophyllus Ling为菊科紫菀属植物 ,其根部常混作紫菀药用。紫菀性味苦、温 ,具有润肺、下气、化痰止咳、清热解毒等功效。用于治疗风咳嗽气喘、虚劳咳吐脓血、小便不利等[1 ] 。紫菀属植物在国内大多数地区均有分布 ,其化学成分大多 Aster ageratoides Turcz.var.oophyllus Ling is a genus of asteraceae plants in the Asteraceae family. Its roots are often mixed with Medicago purpurea. Asters taste bitter, warm, with lungs, under the gas, phlegm and cough, heat detoxification and other effects. For the treatment of wind cough and asthma, consumptive vomiting pus and blood, urinary unfavorable [1]. Asteraceae plants are distributed in most parts of the country, and their chemical composition is mostly