centaurea cyanus, commonly known as cornflower or bachelor`s button, is an annual flowering plant in the family asteraceae. berlin

agriculture annual asteraceae bachelor bachelors background berlin bloom blooming blossom blue botanical botany button centaurea closeup color colorful commonly cornflower cultivated cyanus family flora floral flower flowering fresh garden germany green grow june known leaf macro magnificent meadow natural nature organic persian pink plant purple season species summer vegetation violet white whitewash wild