目的 :对国产积雪草的资源分布与形态组织学进行了研究 ,为开发利用该植物资源 ,制订药材质量标准提供依据。方法 :野外采集结合文献查阅与显微切片观察。结果 :列出了资源分布表。对药材的性状 ,茎、叶炳和叶的显微特征进行了描述、绘图。结论 :支持了Urban关于该属植物分类位置的观点 Objective: To study the distribution of resources and morpho-histology of Centella asiatica domestica, and to provide basis for the development and utilization of the plant resources and the development of quality standards for medicinal materials. Methods : Field collection combined with literature review and microscopic section observation. Result: The resource distribution table is listed. The traits of herbs, the microscopic characteristics of stems, leaves, and leaves were described and plotted. Conclusion : Supports Urban views on the classification position of this genus