Victoria is a genus of giant water lilies in the plant family Nymphaeaceae. The species of this classification have very large leaves that float on the water's surface, the most well known and largest, Victoria amazonica, has a leaf that is up to 3 m in diameter on a stalk 7–8 m in length. Victoria is named after Queen Victoria. Victoria amazonica was once called Victoria regia, but the species name has been superseded. It is native to the shallow waters of the Amazon River basin, such as oxbow lakes and bayous.