Spear thistle. Cirsium vulgare, Close view of single spiky flowering head with bud and leaves.

Ginger, Zingiber officinale, Overhead view of several pieces of fresh root ginger laid on top of one another with a couple broken open.

Sweet potato, Ipomoea batatas, Several potatoes with one cut open to reveal pale orange flesh.

Spinach, Spinacea oleracea, Several leaves laid on top of one another.

Sweetcorn, Zea mays, Several yellow cobs with green husks laid on top of one another.

Carrot, Daucus carota, Many carrots with leaves laid on top of one another.

Peony, Paeonia lactiflora 'Sarah Bernhardt', Side view of single flower with leaves and others soft focus behind.

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

Rose, Rosa 'Passion', Close view from overhead of a single flower.

Rose, a pink Rosa, Close view from overhead of a single flower.

Rose, Rosa 'Grand Prix', Single stem red rose with leaves in glass vase against mottled blue wall.

Peony, Paeonia lactiflora 'Sarah Bernhardt', Two pink flowers many petalled, one sharp focus.