caltha palustris, or kingcup or marsh marigold in late afternoon sunlight.

background beautiful beauty bloom blooming blossom botany buttercup caltha calthapalustris closeup culture damp flora floral florist flower gold green ground head kingcup lake leaf marigold marsh marshmarigold may mayflower natural nature outdoor palustris petal plant pond ranunculaceae season seasonal shrub spring stamen sun swamp water wet wild wildflower yellow