Live Aquatic Plant Nymphaea Queen of Siam Purple Tropical Water Lilies Tuber for Aquarium Freshwater Fish Pond by Greenpro This is live water lilly tuber. Nymphaea Queen of Siam Purple tropical. USDA approved. Provide the most healthy and beautiful environment to your aqarium pet. Carefully inspected and organized before packing. Grown by using lastest technology and facility.