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 stamen medicinal hydrous swamp officinal isolated closeup organism herb leafage white botany aquatic blossom grass wilderness starwort useful phytology