Zi Wan
紫菀
NamingZi Wan (Radix Asteris)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)The Processing of 紫菀OriginThe dry root and Rhizoma of perennial herbaceous plant Aster tataricus L. f. of family Compositae.LocationHebei, Anhui and Heilongjiang provinces and so on in China.HarvestCollected in spring and autum
Radix Asteris
NamingZi Wan (Radix Asteris)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)The Processing of Radix AsterisOriginThe dry root and Rhizoma of perennial herbaceous plant Aster tataricus L. f. of family Compositae.LocationHebei, Anhui and Heilongjiang provinces and so on in China.HarvestCollected in sprin