A woodland plant(Hydrastis canadensis)of eastern North America,having small greenish - white flowers and a yellow root formerly used medicinally.

 
  • 白毛茛一种产于北美洲东部的林地植物(白毛茛白毛茛属),有略呈浅绿色的小白花,黄色的根,以前作药用
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