Aquilegia, Columbine, Single stem of plant with pale purple head set against a pure white background.

Aquilegia, Columbine, Single stem of plant with slightly dropped pale purple head set against a pure white background.

Cherry, Prunus cultivar, Close up of delicate pink coloured flowering blossom.

Clematis, Clematis 'Westerplatte', Clematis viticella 'Westerplatte'. Close up of purple coloured flowers growing outdoor.

Water lily, White water lily,Nymphaea alba, Single flower growing outdoor on water.

Sunflower 'Italian White', Helianthus annuus 'Italian White', Two yellow flowers growing outdoor.

Sunflower, Common sunflower, Helianthus annuus, Close up detail of yellow coloured flower growing outdoor.

Kaffir lily, Hesperantha coccinea, Studio shot of open and emerging pink flowers on a vertical stem.

Kaffir lily, Hesperantha coccinea, Studio shot of open and emerging pink flowers on a vertical stem.

Kaffir lily, Hesperantha coccinea, Studio shot of open and emerging pink flowers on a vertical stem.

Hellebore, Helleborus, Studio shot of pink flower head on stem.

Hellebore, Helleborus, Studio shot of black flower head on stem.