Angelicae Sinensis P.E.
Angelica sinensis (Oliv.) Dried roots of Diels. Angelica, a perennial herb, is distributed in Gansu, Yunnan, Sichuan, Qinghai, Shaanxi, Hunan, Hubei, Guizhou and other places in China, and is cultivated everywhere. Digging in late autumn, removing the roots and sediment, after the water has evaporated slightly, it is bundled into small handfuls, put on the shed, and slowly smoked dry with fireworks.