in taxon spice or flavor-producing plant cornflower plant blue bottle Centaurea cyanus, commonly known as cornflower or bachelor's button, is an annual flowering plant in the family Asteraceae, native to Europe. Cornflowers are often used as an ingredient in some tea blends and herbal teas, and is famous in the Lady Grey blend of Twinings. [https://en.wikipedia.org/wiki/Centaurea_cyanus] PLANTS:CECY2 garden cornflower bachelor's button centaurea cyanus Centaurea cyanus requires discussion