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

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

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

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

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.

Californian poppy, Eschscholzia californica, side on view with petals curved back.

Californian poppy, Eschscholzia californica, side on view. Shot against a soft focus dappled pink background.

Californian poppy, Eschscholzia californica, side on view with petals curved back to reveal stamen.

Californian poppy, Eschscholzia californica, side on view with petals curved back to reveal stamen.

Californian poppy, Eschscholzia californica, side on view with petals curved back to reveal stamen.