Cosmos bipinnatus 'Purity' seen from underneath against blue sky with a soft white cloud.

Cosmos bipinnatus 'Purity' against a warm yellow background.

Cosmos bipinnatus 'Purity', single flower showing the yellow stamens in sharp focus, seen against a soft focus background.

Cosmos bipinnatus 'Purity', close up showing white petals partly in focus.

Cosmos bipinnatus 'Rose Picotee' showing its curled striped petals.

Cosmos bipinnatus, side view of a single deep red flower of against its soft focus feathery foliage.

Columbine, Aquilegia vulgaris, Close view of pale pink sharp focus flower with others on the stem soft behind, Staffordshire, England.

Anemone 'Wild Swan' close view from side showing stamen and grey-blue streak on the underside of the white petals.

Anemone 'Wild Swan' close view from side showing stamen and grey-blue streak on the underside of the white petals.

Anemone 'Wild Swan' close view from side showing stamen and grey-blue streak on the underside of the white petals.

Japanese anemone and Anemone hupehensis var. japonica. A single flower with buds of flower stem leaning across towards a flower that has shed its petals, shot against a soft focus background of other...

Globeflower, Trollius chinensis, yellow flower showing stamens and stigma.