Goldenseal (Hydrastis canadensis) is a perennial herb in the buttercup family Ranunculaceae, native to southeastern Canada and the northeastern United States. It may be distinguished by its thick, yellow knotted rootstock as well as its large, rounded leaves.

GoldBamboo

... Although it is not absorbed well from the gastrointestinal (GI) tract, goldenseal has been taken by mouth to treat respiratory complaints such as the common cold and stuffy noses. It has also been used for GI ailments such as diarrhea, gas, and upset stomach. Few human studies have been conducted to determine potential uses for goldenseal, but results from animal studies have shown that certain chemicals that it contains may deposit in the bladder. These chemicals, including alkaloids known as berberine and hydrastine, also have some mild anti-infective properties that may help to treat bladder infections. Other traditional oral uses of goldenseal are not confirmed by scientific studies. ...
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?Goldenseal Scientific classification Kingdom: Plantae Divis ...
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