Ginkgo, Maidenhair tree, Ginkgo biloba, single yellow leaf laying on the rough torn away limb of a tree.

Japanese Maple tree in autumnal colours, Portland Japanese Gardens, Oregon, USA.

Close up of autumnal colours and trunks of aspen trees, Inyo National forest, California, USA.

Close up of autumnal colours and trunks of aspen trees, Inyo National forest, California, USA.

Plumaria or Frangipani bloom with rain drops, Kauai, Hawaii, USA.

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

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

Japanese Maple in autumnal colours, Portland Japanese Gardens, Portland, Oregon, USA.

Aloe, Fan Aloe, Aloe plicatilis, Mendocino Coast Botanical Gardens, California, USA.

Ginko, Maidenhair tree, Gingko biloba, Single gree leaf among autumnal oak leaves, Wilsonville, Oregon, USA.

Maple, Acer rubrum, Single autumnal coloured leaf.

Japanese Maple tree in autumnal colours, Portland Japanese Gardens, Oregon, USA.

Tamarack or larch in autumnal color, North Cascades National Park, Washington, USA.