beautiful centaurea flowers with green leaves on purple background. seamless floral pattern. watercolor painting.

backdrop background beautiful bed bloom blossom blue bluet botanical bud centaurea centaury centory colorful cornflower decor decoration design drawn fabric flora floral flower hand handmade head illustration knapweed leaf lilac linen loggerhead nature painted painting pattern petal plant purple seamless spring starthistle summer textile texture vintage vivid wallpaper watercolor watercolour