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目的以华阴市为例,查清渭河下游典型区域药用植物资源基本状况。方法采用文献调查法、访问调查法和外业调查法,对华阴市调查区域内药用植物的种类、自然分布及资源状况进行实地调查、记录和整理分析。结果华阴市调查区域内药用植物共有844种,隶属于136科485属,分布在秦岭山地、渭河平原、黄土台塬和山前洪积扇区等多种环境中,有药用、食用、作土农药等多重价值,药用植物资源显示出种类多样性、分布环境典型性和经济价值多重性,在渭河流域下游区域具有典型性。结论华阴市药用植物自然资源种类丰富,特色鲜明,其自然地理地貌和药用植物种类为渭河流域下游典型区域;华阴市药用植物资源多样性调查对中药资源区划与开发、渭河全流域药用植物资源调查有重要指导意义。
Objective To take Huayin City as an example to find out the basic situation of medicinal plant resources in the typical region of the lower Weihe River. Methods The methods of literature survey, interview survey and field survey were used to investigate the field species, natural distribution and resources of medicinal plants in Huayin City. Results There were altogether 844 kinds of medicinal plants in the surveyed area of Huayin City, belonging to 485 families of 136 families, distributed in many environments such as Qinling Mountains, Weihe Plain, Loess Plateau and piedmont alluvial fan sectors, medicinal and edible , As a multi-value of soil pesticides, medicinal plant resources showed diversity, distribution of environmental and economic value of multiple nature of the Weihe River in the lower reaches of the region is typical. Conclusion The natural medicinal plants in Huayin are rich in natural resources with distinctive features. Their natural geographical features and medicinal plants are the typical areas in the lower reaches of the Weihe River. The survey on the diversity of medicinal plants in Huayin City shows that the resources, Basin medicinal plant resources survey has important guiding significance.