Investigation and protection for endangered Coptis deltoidea

To investigate the history of the medicinal uses, resources, distribution, habitat and population characteristic of Coptis deltoidea, and provide basis for the protection and rational development and utilization of Radix Coptidis Deltoideae.The relevant literature and data was scrutinized and herbarium was compared, interview and field survey methods were carried out.The medicinal history, resources, distribution, population characteristic and protective strategy of C. deltoidea were summarized. The sustainable development of C. deltoidea was discussed.The resource is endangered, the germplasm resources should be intentionally protected and ensure the sustainable development and utilization of C. deltoidea.