Christmas cactus, Schlumbergera x bridgesii, Close view of one bright pink flower with swept back petals, white stamens and unusual star shaped pink stigma.

Dinosaur Back Plant, Myrtillocactus geometrizans forma cristata, Close view of spiny ribs of this unusual blue green cactus.

Dinosaur Back Plant, Myrtillocactus geometrizans forma cristata, Close view of spiny ribs of this unusual blue green cactus.

Bulgarian honey garlic, Nectaroscordum siculum bulgaricum, Side view of 2 flowerheads that have folded back in ready to turn to seeds, with Bronze fennel, Foeniculum vulgare 'Purpureum' and Honesty,...

Fern, Ostrich fern, Shuttlecock fern, Matteuccia struthiopteris, surrounded by Milk parsley, Selinum wallichianum, Back view of a single frond in focus, showing the dark spores.

Sweet gum, Liquidambar styraciflua, Close view of a twig with backlit autumn leaves covered in spider strands with early morning dew.

Goat's beard, Tragopogon pratensis seedhead, similar to Dandelion clock, Dramatic close view against blue sky with unopened buds either side.

Alexanders, Smyrnium olusatrum, Flowering stems growing under an arch with minaret of a mosque against the blue sky behind.

Pelargoniums growing in window boxes on a building facade viewed from underneath.

Linden or Lime tree, Tilia x europaea which has just finished flowering. Bright green leaves in sunlight against blue sky.

Field Poppy, Papaver rhoeas, A fading flower on a bent stem, with its red petals curved back and the stamens protruding upwards against a blue sky, pollen has fallen onto the petals.

Yarrow, Achillea 'Coronation Gold', Several flat yellow flower heads viewed from beneath showing the tree like structure against a blue sky.