Purple viper's bugloss, Echium plantagineum with pink Lathyrus tingitanus, Tangier pea, red opium poppy growing in a meadow in La Gomera in the Canary Islands.

Californian poppy, Eschscholzia californica, Front view of one fully open orange flower showing stamens, coming out of soft focus blue background.

Oak, Common oak, Quercus robur, Side view of fairly mature tree with no leaves, silhouetted against the misty dawn sky in an English field.

Greater Knapweed, Centaurea scabiosa, Close cropped view of fringed petals of white form of the pink flower, which is occasionally found, Selective focus against grey background.

Greater Knapweed, Centaurea scabiosa, Front view of one flower showing spidery fringed petals, Soft focus stem, Against white background.

Lemon, Citron limon, Fruit growing on the tree.

White bryony, Bryonia dioica, Close side view of one tightly curled tendril loop against dark green.

Eucalyptus, Blue Gum, Eucalyptus globulus, Underneath view looking up the peeling bark on the white trunk of the tree.

Beech, European beech, Fagus sylvatica, Several trees in winter mist, still bearing many of their dry brown leaves, and a carpet of them beneath.

Monkey puzzle tree, Araucaria araucana, Tip of one spikey branch of overlapping spikes with clear area of blue sky above.

Rosebay willowherb, Chamaenerion Angustifolium, Side view of masses of pink flowers beside a canal.

Poppy, Oriental poppy, Papaver orientale, Close view of the centre of a red flower showing the stamens and the seedhead forming.