Iris versicolor

(redirected from Harlequin Blueflag)
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A perennial herb, the dried rhizome of which contains alkaloids, salicylates, starch, and tannins; it is antiemetic and carminative, and has been used for eructation, headache, cramps, rheumatic complaints, to increase the flow of bile, and is said to remove toxins from the blood
Toxicity Fresh blue flag root is poisonous

Iris versicolor,

n See blue flag.