yellow candock bloomed among the leaves on the surface of the pond on a sunny summer day. a perennial plant in a city

nature green water plant candock flower nuphar summer yellow leaf river lily wet pond blossoming beauty basin bloom nymphaea outdoor object petal brandybottle natural environment reflection space outdoors lake rural hydrous closeup officinal grass medicinal isolated wilderness aquatic white organism swamp blossom phytology stamen botany leafage starwort herb useful