👉 Hydropuntia is a genus of freshwater plants in the family Poaceae, commonly known as water lilies or gardenias, and it includes several species that are native to the Mediterranean region. These plants are characterized by their large, floating leaves, which can cover thousands of feet underwater. They have a wide range of colors including white, green, pink, blue, purple, red, and yellow, making them an attractive sight in gardens and water features.