... -Certificate:ISO9001,GMP Goldenseal Orangeroot; Hydrastis canadensis) is a perennial herb in the buttercup family Ranunculaceae, native to southeastern Canada and ... summer. Goldenseal has been ascribed the following herbal properties (whole herb): bitter, hepatic, alterative, anticatarrhal, anti-inflammatory, antimicrobial, laxative, emmenagogue, and ...