Photos of Iris versicolor, Blue Flag, Blue Iris

Iris versicolor , Blue Flag root was used by indigenous groups externally as a poultice on swellings, sores, bruises, rheumatism, and as an analgesic agent. Internally the root used as strong laxative, emetic, and to stimulate bile flow. Physicians used root in small, frequent doses to “cleanse blood and stimulate the bowels, kidney, and liver." Found in wetlands, marshes, fields, meadows and at the edges of lakes and ponds in the Northeastern United States and Adjacent Canada.

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