"Chizhi is produced in the area centered on Longquan and Wuyi in Zhejiang, Jinzhai, Huoshan and Yuexi in Anhui, including Wuyishan Mountains, Xianxialing Mountains, Kuocangshan Mountains, Dabie Mountains and cultivated redzhi in surrounding areas." 1 Scope 2 Normative cited documents 3 Terms and definitions 4 Source and form 4.1 Source 4.2 Morphological characteristics 5 Historical evolution 5.1 Variety evolution 5.2 Origin evolution 6 Authentic area and habitat characteristics 6.1 Authentic area 6.2 Habitat characteristics 7 Quality characteristics 7.1 Quality requirements 7.2 Characteristics