Few other flowers can match the elegant beauty of the iris. Representing faith, hope, and wisdom, the iris is a flower that can be used for many different occasions. While it is most known for its distinctive blue varieties, the iris can also be found in other colors such as yellow and white.ew other flowers can match the elegant beauty of the iris. Representing faith, hope, and wisdom, the iris is a flower that can be used for many different occasions. While it is most known for its distinctive blue varieties, the iris can also be found in other colors such as yellow and white.