Palm, Fan palm, Close view of leaves backlit against the greenhouse window of Kew garden's Palm House, creating a pattern of green and light.

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.

Dog rose, Rosa canina, Overhead view of clusters of rosehips with leaves with more soft focus behind, scattered on a white background.

Lemon, Citrus limon, Overhead view of lemons on stalks with leaves, with more soft focus behind on a white background.

Ranunculus, Persian butercup, a pink Ranunculus asiaticus, Overhead view of five single flowerheads arranged on a pink background.

Switch grass, Panicum virgatum 'Rehbraun', A mass of panicles of tiny flowers and leaves turning red, interwoven into an abstract pattern.

Switch grass, Panicum virgatum 'Rehbraun', A mass of panicles of tiny flowers and leaves turning red, interwoven into an abstract pattern.

Nettle, Stinging nettle, Urtica dioica, A single leaf shot against a green background with a small area sharp focus showing the stinging hairs.

Nettle, Stinging nettle, Urtica dioica, A group of leaves shot against a green background with a small area sharp focus showing the stinging hairs.

Sunflower, Helianthus annuus, Close side view showing deep brown centre with many stamen surrounded by yellow petals.against a green background.