Opium poppy, Papaver somniferum, close up showing the stamens and stigma.

Opium poppy, Papaver somniferum, close up showing the stamens and stigma.

Love-in-a-mist, Nigella damascena, close up showing stamens against a blue background.

Poppy, Papaver commutatum 'Ladybird', red flowers amongst others that have finished flowering.

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

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

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

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

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

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

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

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