Rhizoma Gastrodiae
          Tian Ma
          
          
      NamingTian Ma (Rhizoma Gastrodiae)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)The Processing of Tian Ma OriginThe dry seed piece of Gastrodia elata BL. of family Orchidaceae.LocationSichuan, Guizhou and Yunnan provinces in China.HarvestDug in winter or spring, dug in winter called Dong Ma with good
          天麻
          
          
      NamingTian Ma (Rhizoma Gastrodiae)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)The Processing of 天麻OriginThe dry seed piece of Gastrodia elata BL. of family Orchidaceae.LocationSichuan, Guizhou and Yunnan provinces in China.HarvestDug in winter or spring, dug in winter called Dong Ma with good quali

