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(Yunnan Sage or yun nan shu wei cao) Yunnan Sage's tall spikes of violet-to-purple flowers bloom from summer into fall. Native to Southwestern China's provinces of Yunnan, Guizhou and Sichuan, it grows on shady, grassy hillsides and along forest margins at elevations up to 9,500 feet.
Common terms in this search: yunnan system medicinal asia its bright red taproots made herbal remedies used strengthen immune research feet laboratories just now identifying active ingredients after millennium use chinese tolerates cold important elevations sage summer yun nan shu wei cao sage's tall spikes violet-to-purple flowers bloom from into margins fall native southwestern china's provinces guizhou sichuan grows shady grassy hillsides along forest well