Knapweed, Centaurea, Close up of flowerhead growing outdoor.
Cornflower, Centaurea dealbata 'John Coutts', Close up detail of mauve coloured flower growing outdoor.
Knapweed, Centaurea nigra, Wild flower meadow in England, East Sussex, Rotherfield, with grasses and pink flowering knapweed.
Knapweed, Centaurea nigra, Close up of spikey pink coloured flowerhead against black.
Greater Knapweed, Centaurea scabiosa, Close cropped view of fringed petals of white form of the pink flower, which is occasionally found, Selective focus against grey background.
Greater Knapweed, Centaurea scabiosa, Front view of one flower showing spidery fringed petals, Soft focus stem, Against white background.
Persian Cornflower, Centaurea dealbata, Side view of one pink flower with fringed petals against light background.
Persian Cornflower, Centaurea dealbata, Side view of one pink flower with fringed petals against pale blue sky.
