Edwin Giesbers / Star of Bethlehem (Ornithogalum narbonense) flower, insect on petal. Cyprus. April.

Ashley Cooper / Sunflower next to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. May 2011

Andres M. Dominguez / Great green bush-cricket (Tettigonia viridissima) and Common poppy (Papaver rhoeas) Sierra de Grazalema Natural Park, southern Spain, April.

Alex Hyde / Jumping spider (Euophrys frontalis) male amongst flower petals, Peak District National Park, Derbyshire, UK, June.

Visuals Unlimited / Close-up of flower parts of a Cactus (Echinocactus sp)

Visuals Unlimited / Yulan Magnolia flower parts (Magnolia denudata) originally from China.

Visuals Unlimited / Sepals and the underside of the petals of the Sunflower (Helianthus annuus).

Visuals Unlimited / Close-up of a Crocus flower stamen.

Richard Du Toit / Impala lily flower (Adenium multiflorum) Sabi Sand GR, South Africa, October

Stephen Dalton / Red rose (Rosa sp), petal whorl, flower

Stephen Dalton / Close up of petal of Iris {Iris sp}

Mark Bowler / Close-up of Honey bee (Apis mellifera) on flower

Wild Wonders of Europe / Wothe / Close-up of Siberian iris (Iris sibirica) petal, Eastern Slovakia, Europe, June 2009

Michael Durham / Red-eyed Tree Frog (Agalychnis callidryas) on flower petal, native to Central and South America

Tim Fitzharris / Blanketflower (Gaillardia sp) close-up showing pollen covered anthers and dense pistils in center, North America

Jim Brandenburg / Prickly Wild Rose (Rosa acicularis) petal, Discovery Lake, Superior National Forest, Minnesota

Marie Lochman / Wild cotton (Gossypium robinsonii) in flower, Pilbara, Westerm Australia.

Bernard Castelein / Poppy (Papaver rhoeas) flower covered in dew, Brasschaat, Belgium. August.

Nick Upton / Leaf beetle / Pot beetle (Cryptocephalus aureolus) feeding on pollen on a Lesser hawkbit (Leontodon saxatilis) flower, Kenfig National Nature Reserve, Glamorgan, Wales, UK, May.

Robert Thompson / Passion flower (Passiflora caerulea) stamen detail, Banbridge, County Down, Northern Ireland. April.

Robert Thompson / Greater stitchwort (Stellaria holostea) flower close up, Brackagh Moss National Nature Reserve, County Armagh, Northern Ireland. April.

Nick Upton / Goldenrod crab spider (Misumena vatia) female well camouflaged on a Yellow flag iris (Iris pseudacorus) flower as it waits for prey to land. Kenfig NNR, Glamorgan, Wales, UK, June.

Paul Harcourt Davies / Checkered beetle (Trichodes alvearius) resting on white flower petals, Umbria, Italy. June.

Paul Harcourt Davies / Alpine flax (Linum alpinum) in flower, Lazio. Italy. July.

Paul Harcourt Davies / Maiden pink (Dianthus deltoides) in flower, Abruzzo, Italy. June.

Paul Harcourt Davies / Close up of Goat's beard (Tragopogon pratensis) flower, Umbria, Italy. May.

Ripan Biswas / Darjeeling bush frog (Raorchestes annandalii) croaking, sitting on a petal, Kalimpong, West Bengal, India.

Loic Poidevin / Buff-tailed bumblebee (Bombus terrestris) on flower petal, Vendee, France, August.

Nigel Cattlin / Severe cold damage and burns to Chinese / Saucer magnolia (Magnolia soulangeana) flowers after a late frost, Berkshire, UK, April.

Nigel Cattlin / Severe cold damage and burns to Chinese / Saucer magnolia (Magnolia soulangeana) flowers after a late frost, Berkshire, UK, April.

Chris Mattison / Juvenile Spotted reed frog (Hyperolius puncticulatus) sitting on petal, Tanzania, Africa

Chris Mattison / Brush / Red mistletoe (Amylotheca dictyophleba) flowering, Possum Valley, Queensland, Australia

Chris Mattison / Madeira orchid (Dactylorhiza foliosa) in flower.

Tony Wu / Rose petal bubble shell (Hydatina physis) is gathering and arranging freshly secreted eggs on its mantle, prior to attaching the completed egg mass to the sand with a mucous thread, Kanagawa, Japan.

Tony Wu / Rose petal bubble shell (Hydatina physis) gathering and arranging freshly secreted eggs on its mantle, prior to attaching the completed egg mass to the sand with a mucous thread, Kanagawa, Japan.

Dave Watts / Long purpleflag (Patersonia occidentalis). Tasmania, Australia. December.

Dave Watts / Hewardia (Isophysis tasmanica). Tasmania, Australia. December.

Dave Watts / Waxlip orchid (Glossodia major). Tasmania, Australia. September.

Dave Watts / Daddy long legs orchid (Caladenia filamentosa). Tasmania, Australia. November.

Rolf Nussbaumer / Night-blooming cereus (Acanthocereus tetragonus) flowering at night. Hill Country, Texas, USA.

Nick Upton / Fairy flax (Linum catharticum), close up. Great Cheverell Hill SSSI, Salisbury Plain, Wiltshire, England, UK. May.