In Bangladesh Water Lilies are more found during the rainy season. Water Lilies are aquatic perennials beautiful flower. A Water Lily is a great plant for the center of a pond. It scientific name is Nymphaea odorata. There are about 40 species of water lilies in the world, plus numerous hybrids and varieties. This water plant can be grown in ponds or basins/containers which can hold 4 to 5 liters of water. These can be seen in different colors such as White, Violet, Pink.