Iris versicolor, also known as blue flag, is a perennial herb that belongs to the iris family. It is commonly used in homeopathic medicine for its anti-inflammatory and diuretic properties. It is known to be effective in treating various health conditions such as rheumatism, gastrointestinal problems, and skin disorders. Iris versicolor is also believed to help alleviate symptoms of depression and anxiety. This natural remedy is safe to use and does not cause any adverse side effects.