close-up of a bouquet of beautiful flowers (scientific name centauréa cyánus) on a yellow background.

annuals beautiful beauty birthday bloom blooming blossom blossoms blue botany bouquet bud card celebrate centauracopy cyaiexcl nus color colorful cornflower cultured cyanus decoration decorative delicate design europe field flora floral flower fragility fresh holiday indoors leaf love macro nature petal plant pollen purple spring summer ukraine vase vegetation violet wild gift