Black poplar, Populus nigra. Studio shot of mottled brown autumn leaf lying on rough, yellow background.

Black poplar, Populus nigra. Studio shot of brown and splitting autumn leaf lying on rusty metal sheet.

Sycamore, Acer pseudoplatanus. Studio shot of yellow and brown tipped autumn leaf of Sycamore lying on rough, yellow background.

Whitebeam, Sorbus x intermedia. Studio shot of yellow and brown autumn leaf of Swedish whitebeam lying on rough, yellow background. Back view.

Whitebeam, Sorbus x intermedia. Studio shot of yellow and brown autumn leaf of Swedish whitebeam lying on rough, yellow background.

Whitebeam, Sorbus x intermedia. Studio shot of curled yellow and brown autumn leaf lying on rusty metal sheet.

Sycamore, Acer pseudoplatanus. Studio shot of yellow autumn leaf, coloured brown at edges, lying on rusty metal sheet.

Whitebeam, Sorbus aria. Studio shot of back of pale, soft, green, veined spring leaf of Whitebeam displayed in card tray.

Pumpkin, Cucurbita maxima 'Queensland Blue'. Green veined, yellow flower with developing fruit below.

Hampton Court 2009. Winchester Growers, The Growing Tastes allotment garden, close view of cabbage.

Kale, Brassica oleracea acephala. Hampton Court 2009. Winchester Growers, The Growing Tastes allotment garden. View looking down on head of kale, filling camera frame.

Beetroot, Beta vulgaris 'Dewing's Early'. Green leaves of growing beetroot with red stems and veining.