close up view of large bright yellow rudbeckia flowers black-eyed-susan in full sunlight

abstract alarge art aster autumn backdrop background beautiful beauty blackeyedsusan blackeyedsusan0 bloom blooming blossom blossoms botany bright bush close closeup color coneflower daisy day design environment floral flower flowers fresh full green hirta large leaf macro meadow nature nobody organic ornamental outdoors petal plant prairie purple red rudbeckia scented single soft spring summer sunflower sunlight sunny texture vibrant view yellow