cornflower (centaurea cyanus) in the green spring meadow.

angiospermae angiosperms anthodium aster asteraceae blooms blue bud centaurea compositae composite cornflower cyanus daisy dark environment family flower flowering green herbicide herbicides honey inflorescence leaf magnoliophyta meadow nature ornamental outdoor petal pistil plant plants spring stamen stem sunflower superweeds the weedkillers wild