何首乌

NamingHe Shou Wu (Radix Polygoni Multiflori)——Kai Bao Ben Cao (Materia Medica In Kai-Bao Reign)The Processing of He Shou Wu OriginThe root tuber of the perennial twining plants Polygonum multiflorum Thunb. of family Knotweed.LocationHenan, Hubei and Guangxi provinces in China.HarvestPlucked in late