Spurge, Mediterranean spurge, Euphorbia characias 'Tasmanian Tiger', Front view of one yellow flowerhead emerging from variegated leaves.

Calla lily, Zantedeschia, Black and white image of front view of one flower and stem, showing the curved single petal against a light to dark graduated background.

Calla lily, Zantedeschia, Black and white image of front view of one flower and stem, showing the curved single petal against a light to dark graduated background.

Calla lily, Zantedeschia, Black and white image of front view of one flower and stem, showing the curved single petal against a light to dark graduated background.

Great desert spoon, Dasyliron achrotrichum, Dramatic spikey mass of silvery narrow leaves standing out against a dark background.

Iris, Bearded iris, Iris 'Rajah', A single flower showing the yellow upright petals and maroon streaked lower petals.

Horned violet, Viola cornuta 'Sorbet XP Yellow', single flower just visible behind a blur of yellow.

Tulip, Tulipa, close up of yellow petals showing the base of the flower.

Bare winter trees in a hedgerow surrounded by a snow covered landscape. Manipulated with a swirly painterly filter effect.

Bare winter tree in a hedgerow surrounded by a snow covered landscape. Manipulated with a swirly painterly filter effect.

Senetti, Pericallis x hybrida 'Senetti Magenta Bicolor', close view with raindrops.

Rose, Rosa, black & white side view against a manuscript background.