Bonsai ponderosa pine tree struggling to survive and Cherboard Mesa, Zion National Park, Utah, USA.

Lone tree in morning fog, Kauai, Hawaii, USA.

Lone tree in autumnal colour in vast pasture, Montana, USA.

Tulip, Tulipa, Single yellow flower among field of red ones.

Maple, Acer rubrum, Single autumnal coloured leaf.

Tidy Tip, Layia platyglossa, and one Baby Bue Eyes, Nemophila menziesii, Carrizo Plain National Monument, California, USA.

Lone oak tree in field, Wilsonville, Oregon, USA.

Christmas decorations on old truck with snow, Oregon, USA.

Cherry, Prunus, Single red cherry in white bowl.

Iris, Iris reticulata 'Paulinei, Side view of one backlit purple flower surrounded by long thin leaves and soft focus colour behind.

Hellebore, Helleborus x hybridus 'Double Ellen White', Side view of single open flower with leaves cut out against white.

Snowdrop, Galanthus nivalis, Side view of single white closed flower with others soft focus behind.