Clematis, Clematis Montana Wilsonii, Studio shot of single pink flower showing stamen.

Clematis, Studio shot of single purple flower with yellow stamen.

Clematis, Studio shot of single transparent pink flower viewed from behind.

Clematis, Studio shot of single transparent mauve flower showing stamen.

Carnation 'Golem', Dianthus caryophyllus 'Golem', Studio shot of single pink open flower.

Geranium, Cranesbill, Studio shot of single stem showing open purple flowers and buds.

Scabious, Field scabious, Knautia arvensis, Close up of single flowerhead growing in grassland.

Scabious, Field scabious, Knautia arvensis, Close up of single flowerhead growing in grassland.

Delphinium, Delphinium elatum, Purple coloured flowers growing outdoor.

Delphinium, Delphinium elatum, Purple coloured flowers growing outdoor.

Delphinium, Delphinium elatum, Purple coloured flowers growing outdoor.

Delphinium, Delphinium elatum, Purple coloured flowers growing outdoor.