Dogwood, Flowering Dogwood, Kousa dogwood, Cornus kousa, A small branch with autumn leaves backlit in low sunlight.

Rowan, Korean Mountain ash, Sorbus alnifolia, A sprig of red berries of the against soft focus yellow leaves.

Rowan, Korean Mountain ash, Sorbus alnifolia, A sprig of red berries of the against soft focus yellow leaves.

Martagon Lily, Lilium hansonii, Two orange spotted flowers against blue sky.

Martagon Lily, Lilium hansonii, several flowers showing reflex petals and protuding stamens.

Flowering dogwood, Cornus florida, single flower with others in soft focus behind.

Flowering dogwood, Cornus florida, close up of 2 flowers in dappled sunlight.

Flowering dogwood, Cornus kousa flowers.

Japanese Lilac tree, Zelkova serrrata, viewed from underneath looking up at the canopy of backlit leaves turning yellow.

Japanese Lilac tree, Zelkova serrrata, viewed from underneath looking up at the canopy of backlit leaves turning orange.

Japanese Lilac tree, Zelkova serrrata, viewed from underneath looking up at the canopy of backlit leaves turning orange.

Japanese knotweed, Fallopia japonica behind a red plastice barier fence saying 'Do not Enter' in an East London suburb.