Ginko, Maidenhair tree, Gingko biloba, Single gree leaf among autumnal oak leaves, Wilsonville, Oregon, USA.

Maple, Acer rubrum, Single autumnal coloured leaf.

Icelandic poppy, Papaver nudicaule, Close-up detail of a single orange flower with yellow stamen against a green leafy background.

Tulip, Tulipa 'Miranda', Close up of orange coloured flower.

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

Iris, Iris reticulata 'Paulinei, Side view of one backlit purple flower surrounded by long thin leaves and soft focus colour behind.

Iris, Iris reticulata 'Paulinei, Side view of one backlit purple flower surrounded by long thin leaves and soft focus colour behind.

Prickly pear cactus, Opuntia humifusa, Close view of spikey leaves and fruit starting to colour deep red with a snail sat on one leaf.

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.

Gerbera, Barberton daisy, Gerbera jamesonii,Side view of single magenta colour flower and stem.