1, Zhejiang Ophiopogon japonicus: Zhejiang Ophiopogon japonicus, also known as Hangzhou Ophiopogon japonicus and Fujian Ophiopogon japonicus, is produced in Jianqiao area of Hangzhou, Zhejiang Province, and later refers to those produced in Zhejiang Province. It is an authentic medicinal material with the best quality, and its main producing areas are Yuyao, Hangzhou, Cixi and Xiaoshan, Zhejiang Province.
2. Sichuan Ophiopogon japonicus: Sichuan Ophiopogon japonicus, also known as Sichuan Winter, is mainly produced in Mianyang, Sichuan. Ophiopogon japonicus produced in Fujiang alluvial plain is the best product, also known as Fucheng Ophiopogon japonicus, which is sold all over the country and exported.
3. Ophiopogon japonicus: Ophiopogon japonicus is a specialty of Xiangfan City, Hubei Province, and a geographical indication product of China. Oumiao Town of Xiangfan City is known as the hometown of Ophiopogon japonicus in China, and ranks first among the three major producing areas of Ophiopogon japonicus in China. Its yield is higher than that of Sichuan and Hangzhou Ophiopogon japonicus, and its quality is excellent, with the characteristics of white, dry, clean, even and large.
4. Fucheng Ophiopogon japonicus: Fucheng Ophiopogon japonicus, also known as Sichuan Ophiopogon japonicus and Ophiopogon japonicus, is produced in Santai County, Sichuan Province. The producing areas are mainly concentrated in nine towns (townships) in the Fujiang River basin of Santai County, with huayuan town as the center. It is one of the precious traditional Chinese medicinal materials in China and has a planting history of more than 500 years. In 2006, the General Administration of Quality Supervision, Inspection and Quarantine approved the protection of Fucheng Ophiopogon japonicus with geographical indications.