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

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

Onion, Allium cepa 'Showmaster', Close cropped view of an onion with the skin removed showing the white flesh.

Dahlia, Waterlily Dahlia, Very close view of flower centre with petals radiating out. Black and white with a sepia tone.

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.

Coconut, Cocos nucifera, Front view of a piece of coconut with two almonds in shells.

Hyacinth, Hyacinthus, Side view of a single white flowerhead with multiple florets on a curved stem.

Hyacinth, Hyacinthus, Side view of a single pink and white bi-coloured flowerhead with multiple florets on a straight stem.

Moth orchid, Phalaenopsis, Front view single white flower showing central pink structure.

Tulip, Tulipa, Side view of single pink and white bi-colour flower with curved stem.