[[File:Iris-versicolor-Blue-Flag-Iris.jpg|thumb|Alt=Iris versicolor|300px|left|Iris versicolor]]
Other Names: Iris versicolor, Iris, Iris caroliniana, Iris Versicolore, Iris virginica, Clajeux, Lirio Azul, Lis Bleu, Sweet Flag, Water Flag.<br>Blue flag is a perennial herb native to North America, and cultivated elsewhere in the world. People use the underground stem (rhizome) of blue flag to make medicine.<br>See also : [[Orris]] (Iris florentina)
==Special Precautions of Blue Flag==
[[Category:herbal medicine]]
[[Category:Alterative]]
[[Category:Cathartic]]
[[Category:Cholagogue]]
[[Category:Depurative]]
[[Category:Diuretic]]
[[Category:Hepatic]]
[[Category:Sialagogue]]