Water lilies are aquatic plants that are found growing along the sides of ponds, lakes or streams. Lilies can be seen growing near gardens and small pools. They are also found growing in wilderness. They have big rounded leaves or lilypads and white, yellow or pink flowers. Each flower at least has six petals. Water lilies are often confused with lotuses but they have certain differences. Water lilies rest on water surface whereas lotuses stand on the stem above the water surface. The petals of lilies are thick and waxy whereas those of lotuses are thin and papery. Water lilies range notably in size from miniature flowers with small leaves to giant plants that spread over 25 square feet.