corner bouquet with outline cornflower or knapweed or centaurea flower, bud and leaf in black on white background.

art artwork black bloom blossom book botany bouquet bud bunch centaurea coloring contour corner cornflower decor decorative design drawing flora floral flower foliage graphic herb illustration inflorescence isolated knapweed leaf linear lines nature open ornate outline petal plant silhouette stem summer vector white wild wildflower