centaurea blue annual flower cornflower

flower plant purple illustration lilac drawing sketch petal branch lavender herb violet leaf pattern cartoon art produce pink centaurea isolated blue annual centaureais alarge genus ofabout450 species annuals biennials perennials subshrubs mostly dry sites mainly europe mediterranean cultivated their fringed flowers shades yellow white true thebractsoften havetoothed spiny tips black usecentaureain borders rock gardens bedding naturalizing cornflower about450 use centaureain bractsoften