hydrastis

noun
hy·​dras·​tis | \ hī-ˈdras-təs How to pronounce hydrastis (audio) \

Medical Definition of hydrastis

1 capitalized : a genus of herbs (family Ranunculaceae) having palmately lobed leaves and small greenish flowers and including the goldenseal (H. canadensis)
2 : the dried rhizome and roots of the goldenseal formerly used in pharmacy as a bitter tonic, hemostatic, and antiseptic

called also goldenseal

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