Siberian iris (Iris sibirica) is a beautiful flowering plant native to Siberia. It is a popular choice among gardeners due to its stunning blue-purple flowers that bloom in late spring or early summer. However, there are several other synonyms for this plant that are also commonly used. These synonyms include Japanese iris, Flag iris, Siberian flag iris, and Iris laevigata. While each of these names may differ slightly in terms of their origins and botanical properties, they all refer to the same gorgeous plant. Regardless of the name used, Siberian iris is a delightful addition to any garden or landscape.