Ranucuclus, Persian buttercup, a Ranunculus asiaticus, black and white against a solid black background.

Ranucuclus, Persian buttercup, a Ranunculus asiaticus, black and white against a solid black background.

Shirley poppy, Papaver rhoeas Shirley series, black and white side view showing stamens and stigma.

Poppy, Papaver commutatum 'Ladybird', black and white flower against a black background.

Poppy, Papaver commutatum 'Ladybird', black and white flower shot from behind.

Poppy, Papaver commutatum 'Ladybird', black and white flower against a black background.

Poppy, Papaver commutatum 'Ladybird', black and white flower shot from behind.

Siberian iris, Iris sibirica 'Sparkling rose', purple flower against mauve background.

Siberian iris, Iris sibirica 'Sparkling rose', purple flower against lilac background.

Siberian iris, Iris sibirica 'Sparkling rose', purple flower against pale lilac coloured background.

Gerbera jamesonii, black and white flower viewed from underneath against a solid black background.

Dahlia, red flower shot against similar colour backgound.