Sea holly, Eryngium x zabelii Jos Eijking. Thistle-like flower heads surrounded by spiny, silvery blue bracts.

Single, saucer-shaped flower of Cosmos bipinnatus with pale pink petals surrounding yellow centre.

Single Cornflower, Centaurea cyanus.

Single flower of Cineraria, Pericallis x hybrida.

Flowers of Aster Novi-Belgii Royal ruby. Selective focus.

Heliconius hecale zuleika butterfly feeding on clustered white flowers of Lantana camara

Poppy, Papaver somniferum. Fading flower with petals and stamens falling away from central ripening seed head.

Poppy, Papaver somniferum. Single flower with delicate, crumpled pink petals, in sunlight.

Poppy, Papaver somniferum. Ruffled pink flower head of single bloom.

Poppy, Papaver somniferum. Close view of single flower with pink petals with ruffled edges surrounding stamens and developing seed head.

Poppy, Papaver somniferum. Close, cropped view of developing seed head and stamens. Selective focus, soft, muted effect.

Poppy, Papaver somniferum. Single flower with ruffled petals emerging from protective green sepals scattered with moisture droplets.

Sea holly, Eryngium x zabelii Jos Eijking. Thistle-like flower heads surrounded by spiny, silvery blue bracts.

Single, saucer-shaped flower of Cosmos bipinnatus with pale pink petals surrounding yellow centre.

Single Cornflower, Centaurea cyanus.

Single flower of Cineraria, Pericallis x hybrida.

Flowers of Aster Novi-Belgii Royal ruby. Selective focus.

Heliconius hecale zuleika butterfly feeding on clustered white flowers of Lantana camara

Poppy, Papaver somniferum. Fading flower with petals and stamens falling away from central ripening seed head.

Poppy, Papaver somniferum. Single flower with delicate, crumpled pink petals, in sunlight.

Poppy, Papaver somniferum. Ruffled pink flower head of single bloom.

Poppy, Papaver somniferum. Close view of single flower with pink petals with ruffled edges surrounding stamens and developing seed head.

Poppy, Papaver somniferum. Close, cropped view of developing seed head and stamens. Selective focus, soft, muted effect.

Poppy, Papaver somniferum. Single flower with ruffled petals emerging from protective green sepals scattered with moisture droplets.

Poppy, Papaveraceae, Bright red flowers growing outdoor in summer.

Poppy, Papaveraceae, Unopened seed heads growing outdoor.

Poppy, Papaveraceae, Unopened seed heads growing outdoor.

Poppy, Papaveraceae, Unopened seed head growing outdoor.

Poppy, Papaver, Seed heads growing outdoor in a garden.

Poppy, Papaver, Mauve coloured flower and Poppy heads growing outdoor.

Poppy, Papaver Somniferum, Red coloured Opium poppy heads and opened poppies growing outdoor.

Poppy, Papaveraceae, Creative image of poppies in a field in Watchfield, near Swindon, Wiltshire.

Poppy, Papaver, Detail of red coloured flower growing outdoor.

Forest poppy, Hylomecon vernalis, Yellow coloured flower growing outdoor.

Poppy, Opium poppy, Papaver somniferum, Single red coloured flower growing outdoor.

Poppy, Papaver, Single red flower growing outdoor among green foliage.