[Textual research on ancient geo-authentic producing areas of Chaenomeles speciosa based on literature and historical records from materia medica and local chronicles].

Chaenomeles speciosa, a commonly used traditional Chinese medicine(TCM) material, has the effects of stimulating the circulation of the blood and causing the muscles and joints to relax, as well as harmonizing the stomach and resolving dampness. It was first recorded in the Ming Yi Bie Lu during the Northern and Southern Dynasties, and its cultivation history can be traced back to the Bencao Tujing in the Song Dynasty. Modern research mainly focuses on the producing areas of Ch.