Marigold, Calendula officinalis 'Porcupine'. A single spikey orange flower.

Marigold, Calendula officinalis 'Porcupine', Several spikey orange flowers.

Red hot poker, Kniphofia 'Yellow cheer', Close view of the flower as it works its way up the stem.

Oak, Quercus robur, Spangle galls, Neuroterus quercusbaccarum on common oak, Close view of two backlit leaves showing the eggs of this parasitic wasp.

Red hot poker, Kniphofia 'Tawny King, A single spire of the pale orange flwoer with others soft focus behind.

Mountain witch alder, Fothergilla major, Close view of a couple of yellow autumn leaves.

Beech, Fagus sylvatica, single backlit yellow brown leaf on a twig.

Beech, Fagus sylvatica, single backlit yellow brown leaf on a twig, with others above.

Tupelo, Nyssa sylvatica, Close view of a sprig of vibrant orange autumn leaves.

Tupelo, Nyssa sylvatica, Vibrant orange autumn leaves against blue sky.

Tupelo, Nyssa sylvatica, Close view of a sprig of vibrant orange autumn leaves.

Lily, Turkscap lily, Lilium martagon, A single flower showing the curved back petals and protruding orange stamen.