Guy Edwardes / Bluebells (Hyacinthoides non-scripta) and Gorse (Ulex europaeus) on Corfe Common, Corfe Castle in background, Dorset, England, UK. May 2017.

Andrew Peacock / Acacia (Acacia sp) trees at sunset, northern Kenya

Chien Lee / Sugar Glider (Petaurus breviceps) feeding on Acacia (Acacia sp) tree sap at night, Wasur National Park, Papua, Indonesia

Phil Savoie / Red tailed bumblebee (Bombus lapidarius), visiting Clover (Trifolium) flower, Monmouthshire, Wales, UK. June.

Yva Momatiuk & John Eastcott / Neneo (Anarthrophyllum desideratum) flowering in spring, Torres del Paine National Park, Patagonia, Chile

Ross Hoddinott / Kidney vetch (Anthyllis vulneraria) flowering on cliff tops, Bedruthan Steps, near Newquay, north Cornwall, UK. April 2017.

Jack Dykinga / Saguaro cacti (Carnegiea gigantea) in bloom with Foothill paloverde (Cercidium microphyllum) Sonoran Desert National Monument, Arizona, USA, April.

Andres M. Dominguez / Blue lupin (Lupinus angustifolius) Sierra de Grazalema Natural Park, southern Spain, May.

Wim van den Heever / Ancient dead Camelthorn tree (Vachellia erioloba) trees with red dunes, Namib desert, Deadvlei, Sossusvlei, Namibia. August 2015.

Wim van den Heever / Ancient dead Camelthorn tree (Vachellia erioloba) trees with red dunes and mist, Namib desert, Deadvlei, Sossusvlei, Namibia. August 2015.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with red dunes, and star trails, Namib desert, Sossusvlei, Namibia. Composite.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with red dunes and the milky way behind, Namib desert, Sossusvlei, Namibia. Composite.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) at night with red dunes behind. Namib desert, Sossusvlei, Namibia. Composite.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with sand dunes, Namib desert, Deadvlei, Sossusvlei, Namibia.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with sand dunes, Namib desert, Deadvlei, Sossusvlei, Namibia.

Pascal Pittorino / Mimosa (Acacia dealbata) flowers covered in snow , Var, Provence, France, February

Pal Hermansen / Sprouting Soy beans (Glycine max) against white background

Nick Upton / Pollen and nectar flower mix strip with Mustard (Brassicaceae), Common sainfoin (Onobrychis viciifolia) and Red clover (Trifolium pratense) bordering a Barley crop (Hordeum vulgare), Marlborough Downs...

Pal Hermansen / Meadow vetchling (Lathyrus pratensis) and brambles (Rubus) growing on the dashboard of the abandoned car in 'car graveyard' Bastnas, Sweden, July

Pat Tuson / Wild Perennial Lupin (Lupinus perennis) Gillespie Park Local Nature Reserve an urban ecology park with tower blocks in background, Highbury, London Borough of Islington, England UK

Michael & Patricia Fogden / White-necked Jacobin (Florisuga mellivora) hummingbird male feeding on nectar of Fairy Duster (Calliandra sp) flower in cloud forest, Tandayapa Valley, western slope of Andes, Ecuador

Tim Fitzharris / Paradise Meadow and Mount Rainier, Mount Rainier National Park, Washington

Stephen Belcher / Camelthorn Acacia (Acacia erioloba) dead tree with dunes in background, Namib-Naukluft National Park, Namibia

Michael Durham / Honey Bee (Apis mellifera) worker collecting nectar from Red Clover (Trifolium pratense) flowers, note the pollen baskets on the legs, northwest Oregon

Gerry Ellis / Whistling Thorn (Acacia drepanolobium) tree over savannah, Masai Mara National Reserve, Kenya

Mitsuaki Iwago / Masai Giraffe (Giraffa tippelskirchi) feeding on Whistling Thorn (Acacia drepanolobium) acacia tree, Serengeti National Park, Tanzania

Mitsuaki Iwago / African Elephant (Loxodonta africana) herd staying cool in the shade of an Acacia tree, Botswana

Gerry Ellis / Whistling Thorn (Acacia drepanolobium) and moon, Amboseli National Park, Kenya

Mitsuaki Iwago / Whistling Thorn (Acacia drepanolobium) tree on savannah at sunset, Serengeti

Gerry Ellis / Umbrella Thorn (Acacia tortilis) trees at sunrise on savannah, Masai Mara, Kenya

Shin Yoshino / Whistling Thorn (Acacia drepanolobium) trees, Masai Mara National Reserve, Kenya

Michael & Patricia Fogden / Violet Sabre-wing (Campylopterus hemileucurus) immature hummingbird feeding and pollinating Coral Tree (Erythrina sp) flowers, cloud forest, Costa Rica

Michael & Patricia Fogden / Green Hermit (Phaethornis guy) hummingbird feeding on and pollinating Coral Tree (Erythrina sp) flowers, Monteverde Cloud Forest Reserve, Costa Rica

Tim Fitzharris / Western Box Turtle (Terrapene ornata) among Lupine (Lupinus sp) and Paintbrush (Castilleja sp), North America

Yva Momatiuk & John Eastcott / Domestic Cattle (Bos taurus) calf walking in meadow of Texas Bluebonnets (Lupinus texensis), North America

Yva Momatiuk & John Eastcott / Common Sunflower (Helianthus annuus) flowers and Large-leaved Lupine (Lupinus polyphyllus) in summer, Pryor Mountain, Montana

Michael & Patricia Fogden / Nymphalid Butterfly (Pteronymia sp) at Coral Tree (Erythrina sp) flowers, cloud forest, Costa Rica

Mark Moffett / Ant (Pseudomyrmex sp) group drink nectar from Whistling Thorn (Acacia drepanolobium) acacia tree and protect the tree from leaf eating enemies ensuring mutual survival, Costa Rica

Tim Fitzharris / Sand Bluebonnet (Lupinus subcarnosus) and Paintbrush (Castilleja sp) flowers, Hill Country, Texas

Mark Moffett / Ant (Pseudomyrmex sp) gathers carrot-like growths from Whistling Thorn (Acacia drepanolobium) acacia tree for delivery to larva in nest, in return for baby food, ant protects Acacia, Costa Rica

Mark Moffett / Ant (Pseudomyrmex sp) gathers carrot-like growths from Whistling Thorn (Acacia drepanolobium) acacia for delivery to larva in nest, in return for baby food Ant protects Acacia, Costa Rica

Peter Lewis / Common Cuckoo (Cuculus canorus) perched on flowering Gorse (Ulex europaeus) Surrey, England, UK. April.

Nigel Cattlin / Broad bean (Vicia faba) roots with root nodules formed by Bacteria (Rhizobium sp) for nitrogen fixation.

Nigel Cattlin / Broad bean (Vicia faba) seed in velvet lined pod, ripe and ready for harvest. Berkshire, England, UK. July.

Nigel Cattlin / Faba bean rust pustules on Broad bean (Vicia faba) leaf caused by Fungus (Uromyces viciae-fabae). Berkshire, England, UK. August.

Nigel Cattlin / Faba bean rust pustules on Broad bean (Vicia faba) leaf caused by Fungus (Uromyces viciae-fabae). Berkshire, England, UK. August.

Nigel Cattlin / Broad bean (Vicia faba) seed in velvet lined pod, ripe and ready for harvest. Berkshire, England, UK. July.

Nigel Cattlin / Faba bean rust pustules on Broad bean (Vicia faba) leaf caused by Fungus (Uromyces viciae-fabae). Berkshire, England, UK. August.

Nigel Cattlin / Faba bean rust pustules on Broad bean (Vicia faba) leaf caused by Fungus (Uromyces viciae-fabae). Berkshire, England, UK. August.

Nigel Cattlin / Lupin (Lupinus sp) leaves with powdery mildew caused by Fungus (Erysiphales). Cultivated in garden, Berkshire, England, UK. June.

Nigel Cattlin / Common vetch (Vicia sativa) with Red ant (Myrmica rubra) on bud. Berkshire, England, UK. June.

Nigel Cattlin / Germinating Broad bean (Vicia faba) with severe Slug (Gastropoda) damage to seed. Berkshire, England, UK. May.

Nigel Cattlin / Broad bean (Vicia faba) young plant with early leaves and roots, uprooted and germinated seed split to show food reserve.

Nigel Cattlin / Broad bean (Vicia faba), close up of roots and cross section of germinated seed to show food reserve.

Nigel Cattlin / Broad bean (Vicia faba), young plant with germinated seed, early leaves and roots, above and below ground.

Nigel Cattlin / Field bean rust (Uromyces viciae-fabae) damage to Field bean (Vicia faba) crop. Berkshire, England, UK. August.

Nigel Cattlin / Field bean rust (Uromyces viciae-fabae) damage to Field bean (Vicia faba) crop. Berkshire, England, UK. August.

Nigel Cattlin / Broad bean rust (Uromyces vicia-fabae) on Broad bean (Vicia faba) leaf, notches made by Bean weevil (Chrysomelidae) around edge. Berkshire, England, UK. August.

Nigel Cattlin / Broad bean rust (Uromyces vicia-fabae) on Broad bean (Vicia faba) leaf, notches made by Bean weevil (Chrysomelidae) around leaf edge. Berkshire, England, UK. August.

Nigel Cattlin / Seven-spot ladybird (Coccinella septem-punctata) larva predating Black bean aphids (Aphis fabae) on Runner bean (Phaseolus coccineus). Bean with buds. Berkshire, England, UK. July.

Nigel Cattlin / Black bean aphid (Aphis fabae) infestation on Runner bean (Phaseolus coccineus), stem twining up bamboo cane. Berkshire, England, UK. June.

Nigel Cattlin / Black bean aphid (Aphis fabae) infestation on flowering Broad bean (Vicia faba). Berkshire, England, UK. June.

Nigel Cattlin / Black bean aphid (Aphis fabae) infestation on Broad bean (Vicia faba) plant. Berkshire, England, UK. June.

Nigel Cattlin / Manila tamarind (Pithecellobium dulce) seedpods for sale at food market, Bangkok, Thailand.

Kevin Schafer / Nootka Lupine (Lupinus nootkatensis) covered with dew, Adak Island, Aleutian Islands, Alaska

Heather Angel / Black coral vine (Kennedia nigricans) flowers, pollinated by honeyeaters (flowers triggered by honeyeater, releasing the stamens, style and stigma), Western Australia Sequence 2 of 2

Heather Angel / Black coral vine (Kennedia nigricans) flowers, pollinated by honeyeaters (showing untriggered flowers), Western Australia Sequence 1 of 2

Juan Carlos Munoz / Trees coming into leaf and blossoming surrounded by flowering Gorse (Ulex sp), aerial view. Merindad de Montija, Burgos, Castile and Leon, Spain. May 2019.

Juan Carlos Munoz / Gorse (Ulex sp) scrub flowering in network of fields with scattered trees and surrounded by hedgerows and woodlands, aerial view. Merindad de Montija, Burgos, Castile and Leon, Spain. May 2019.

Juan Carlos Munoz / Gorse (Ulex sp) scrub flowering amongst woodland in spring, aerial view. Merindad de Montija, Burgos, Castile and Leon, Spain. May 2019.

Nick Garbutt / Alpine Wildflower meadow, a diversity of species including Meadow clary (Salvia pratensis), Sainfoin (Onobrychis sp) and Rattle (Rhinanthus sp). North Tyrol, Austria. June.

Nick Upton / Raven (Corvus corax) perched on fence post among flowering Common gorse bushes (Ulex europaeus) on a clifftop with the sea in the background, Cornwall, UK, April.

Nick Upton / Raven (Corvus corax) perched on fence post among flowering Common gorse bushes (Ulex europaeus) on a clifftop with the sea in the background, Cornwall, UK, April.

Jack Dykinga / Yellow paloverde (Cercidium microphyllum) flowering amongst Saguaro (Carnegiea gigantea). In foothills on north side of Santa Catalina Mountains, Coronado National Forest, Arizona, USA. May 2019.

Nick Upton / Spiny broom (Calicotome villosa) with endemic Mouse ear chickweed (Cerastium supramontanum) amongst it. Branched asphodel (Asphodelus ramosus) in background with mountains beyond. Supramonte range, ne...

Nick Upton / Mouse ear chickweed (Cerastium supramontanum) amongst Spiny broom (Calicotome villosa). Branched asphodel (Asphodelus ramosus) in background with mountains beyond. Supramonte range, near Urzulei, Sard...

Nick Upton / Sage-leaved cistus (Cistus salvifolius) and Spiny broom (Calicotome villosa), Supramonte mountain range, near Urzulei, Sardinia, Italy. June.

Nigel Cattlin / Sensitivity plant (Mimosa pudica) shown before and after touching the sensitive leaves.

Nigel Cattlin / Two spotted spider mite (Tetranychus urticae) webbing and damage to leaves of Green bean (Phaseolus vulgaris) plant. England, UK.

Ernie Janes / Gorse (Ulex europaeus) in flower in mid winter covered in frost and snow. Norfolk, England, UK. January.

Ernie Janes / Lupins growing in herbaceous border, Norfolk, England, UK. May.

Ernie Janes / Gorse (Ulex europaeus) in flower in mid winter covered in frost and snow. Norfolk, England, UK. January.

Nigel Cattlin / Sickle senna (Senna tora) seedlings, self seeding arable weeds near leaves of parent plant. Mississippi, USA.

Nigel Cattlin / Green bean (Phaseolus vulgaris) leaf with feeding damage caused by Two spotted spider mite (Tetranychus urticae). England, UK.

Nigel Cattlin / Comparison of untreated and herbicide treated Soybean (Glycine max) crop. Weeds have resulted in stunting of crop due to competion, Mississippi, USA.

Cyril Ruoso / Crimson clover (Trifolium incarnatum), grown as green manure. Yonne, Bourgogne-Franche-Comte, France. April.

Heather Angel / Red trailing bauhinia (Bauhinia kockiana), flowers change from yellow to red with age. Pollinated by butterflies. Cultivated in garden. Native to Malaysia.

Heather Angel / Carpenter bee (Xylocopa fimbriata) nectaring on Quickstick / Mother of cocoa tree (Gliricidia sepium). Chiapas, Mexico.

Heather Angel / Jade vine (Strongylodon macrobotrys) in glasshouse at Kew Gardens, London, UK. Endemic to the Philippines. Pollinated by sunbirds.

Heather Angel / Texas bluebonnets (Lupinus texensis) and Indian paintbrush (Castilleja coccinea) amongst wildflowers in ditch beside byway. Rains triggered germinaton of annual seeds. Cuero, Texas, USA. April.

Heather Angel / Great yellow bumblebee (Bombus distinguendus) nectaring on Kidney vetch (Anthyllis vulneraria). RSPB Balranald Nature Reserve, North Uist; Outer Hebrides, Scotland, UK. July.

SCOTLAND: The Big Picture / Flowering Gorse (Ulex europaeus) seen from above. Hopeman, Scotland, UK, May.

SCOTLAND: The Big Picture / Aerial view of Clashach Cove surrounded by flowering Gorse (Ulex europaeus) Hopeman, Scotland, UK, May.

David Woodfall / Harebells (Campanula rotundifolia) with Buttercups (Ranunculus acris) and red clover (Trifolium pratense) growing on machair, North Uist, Outer Hebrides, Scotland, UK, July.

David Woodfall / Red clover (Trifolium pratense), Silverweed (Argentina anserina) and Buttercups (Ranunculus acris) growing on machair habitat, North Uist, Outer Hebrides, Scotland, UK,