Flower from Heavan! Do you know the name of this flower?

This flower has been on our breakfast table for almost 2 months now. Could you believe that? whithout roots. I bought this for my mom on May 13, 2012, but the flower has not changed it's look. You could not resist looking at it because of its beautiful and unique color combinations. The blue color takes you to heavan... Now it's July 6, 2012 and our beautiful flower looks like this: