The flower Centaurea cyanus, commonly known as cornflower or bachelor's button, with a soft green background and copy space. purple, cornflower, centaurea cyanus, bachelor's butto, beauty, bloom, blooming, blue, bluebottle, button, centaurea, cyanus, flora, floral, flower, garden, green, head, meadow, natural, nature, outdoor, petal, petals, wildflower