Albert Lleal / Poinsettia (Euphorbia pulcherrima) leaf, 5x magnification, showing rib and veination, Barcelona, Spain

Albert Lleal / Poinsettia (Euphorbia pulcherrima) leaf, 2x magnification, showing rib and veination, Barcelona, Spain

Wild Wonders of Europe / Benvie / Crab spider (Misumena sp) on Euphorbia, Queyras, France, June 2009

Jouan & Rius / Ring-tailed Lemur (Lemur catta) eating flower of E {Euphorbia sp}, dry forest of Berenty reserve, South Madagascar

Jack Dykinga / California Poppies (Eschscholtzia californica) and flowering Spurge (Euphorbia sp) with a Cholla Cactus (Opuntia cholla) skeleton, Tres Virgenes, Baja California Sur, Mexico, Central America

Heather Angel / Day gecko (Phelsuma sp.) with extended tongue lapping up nectar from crown of thorns (Euphorbia milii) flower, Madagascar

Heather Angel / Ant (Formicidae sp) feeding on Euphorbia (Euphorbia atropururea), pollen on head. Tenerife, Canary Islands.

Jean E. Roche / Euphorbia (Euphorbia sp.) plants growing after fire, Etang de Berre, Provence, France

Lorraine Bennery / Spurge hawkmoth caterpillar (Hyles euphorbiae) Spurge (Euphorbia sp.), Loiret, France, September.

Lorraine Bennery / Spurge hawkmoth caterpillar (Hyles euphorbiae) on Spurge (Euphorbia sp.) foodplant, Alpes de Haute-Provence, France, June.

Lorraine Bennery / Spurge hawkmoth caterpillar (Hyles euphorbiae) on one of its foodplants (Euphorbia sp.), Loire river, France, September.

Yva Momatiuk & John Eastcott / Spurge (Euphorbia virosa) cactii, Namib Desert, Namibia

Stephen Dalton / Close-up of a spurge flower (Euphorbia sp), UK.

RHONDA KLEVANSKY / Succulent plants including Quiver trees (Aloe dichotoma) and (Euphorbia sp) in rocky terrain, Richtersveld National Park and World Heritage Site, Northern Cape, South Africa, August 2011.

Albert Lleal / Canary Spurge (Euphorbia canariensis), Jandia Natural Reserve, Fuerteventura, Canary Islands

Cyril Ruoso / Madeira Mountain Stock (Euphorbia piscatoria) flowers, Madeira

Cyril Ruoso / Madeira Mountain Stock (Euphorbia piscatoria) leaves, Madeira

Cyril Ruoso / Madeira Mountain Stock (Euphorbia piscatoria) has extremely damaging sap, Madeira

Denis-Huot / Long-horned grasshopper (Ephippiger sp) on milk bush (Euphorbia damarana) in the Damaraland, Namibia

Martin Willis / Greater Spotted Eagle (Aquila clanga) on Candelabra Tree (Euphorbia candelabrum), Lake Mburo National Park, Uganda

Martin Willis / Brown-hooded Kingfisher (Halcyon albiventris) perched on Candelabra Tree (Euphorbia candelabrum), Uganda

Chris Mattison / Flower of Hydnora (Hydnora africana) a rare plant parasitic on species of the genus Euphorbia. Cornellskop, Richtersveld, South Africa.

Sebastian Kennerknecht / Spurge (Euphorbia cactus) cactus on plateau, Hawf Protected Area, Yemen

Sebastian Kennerknecht / Spurge (Euphorbia balsamifera) bushes on desert plateau, Hawf Protected Area, Yemen

Ernie Janes / Purple alliums (Allium sp) and Spurge (Euphorbia polychroma) growing in flower bed, Norfolk, UK, May

Mark Raycroft / English Bulldog (Canis familiaris) male

Nick Upton / Blowfly (Rhyncomya sp.) feeding on Variegated Spurge (Euphorbia marginata) flowers. Lesbos / Lesvos, Greece, August.

Nick Upton / Blowfly (Rhyncomya sp.) on Variegated Spurge (Euphorbia marginata) flowers. Lesbos / Lesvos, Greece, August.

Nick Upton / Blowfly (Rhyncomya sp.) on Variegated Spurge (Euphorbia marginata) flowers. Lesbos / Lesvos, Greece, August.

Nick Upton / Potter Wasp (Eumenes sp.) on Variegated Spurge (Euphorbia marginata) flowers. Lesbos / Lesvos, Greece, August.

Nick Upton / Blowfly (Rhyncomya sp.) on Variegated Spurge (Euphorbia marginata) flowers. Lesbos / Lesvos, Greece, August.

Gerry Ellis / Milkbush (Euphorbia damarana) in sandstone desert, Huab River Valley, Damaraland, Namibia

Wild Wonders of Europe / Ziegler / Euphorbia (Euphorbia sp) in flower, Mani, The Peloponnese, Greece, May 2009

Piotr Naskrecki / Dicot (Euphorbia sp) in fynbos habitat, Cederberg Wilderness Area, South Africa

Nick Garbutt / Looking up Giant Euphorbia tree (Euphorbia sp) in Ifaty Spiny Forest, SW Madagascar.

Jouan & Rius / Euphorbia sp flower, Berenty reserve, South Madagascar

Jouan & Rius / {Euphorbia sp} flower, Berenty reserve, South Madagascar

Elio Della Ferrera / {Euphorbia sp} plants growing in Simien NP, Ethiopia

Pete Oxford / Candelabra Tree (Euphorbia candelabrum) youngling, Tower Island, Galapagos Islands, Ecuador

Albert Lleal / Poinsettia (Euphorbia pulcherrima) leaf detail showing veins, an ornamental species originating in Mexico

Pete Oxford / Endemic Euphorbia (Euphorbia sp.) Ankarana Special Reserve. NW MADAGASCAR

Piotr Naskrecki / Dicot (Euphorbia sp) group, Namibia

Mark Raycroft / Golden Retriever (Canis familiaris) puppy sitting beside poinsettia

Konstantin Mikhailov / Waterfall with {Euphorbia sp} flowers, Kuznetskii Alatay mountains, Altai, Siberia, Russia

Staffan Widstrand / Looking down into Ngorongoro crater with {Euphorbia sp} growing on steep crater walls, Tanzania, East Africa, UNESCO World Heritage Site

Colin Varndell / Portland spurge {Euphorbiae sp.}. UK.

Mark Taylor / {Euphorbia sp.) spines. Namibia.

Mark Taylor / {Euphorbia sp.) spines. Namibia.

Yva Momatiuk & John Eastcott / Candelabra Tree (Euphorbia candelabrum) with Cheetah underneath, afternoon in grasslands, Masai Mara National Reserve, Kenya

Michael & Patricia Fogden / Magenta-throated Woodstar (Calliphlox bryantae) hummingbird male feeding at and pollinating Poinsettia (Euphorbia pulcherrima) flowers, cloud forest, Costa Rica

Michael & Patricia Fogden / Magenta-throated Woodstar (Calliphlox bryantae) hummingbird male feeding at and pollinating Poinsettia (Euphorbia pulcherrima) flowers while defecating, cloud forest, Costa Rica

Bernard Castelein / Psiloritis mountain range with {Euphorbia sp} in foreground Crete, Greece

Sebastian Kennerknecht / African Lion (Panthera leo) six year old male and eight year old female near Naboom (Euphorbia ingens) tree, Kafue National Park, Zambia

Sebastian Kennerknecht / Spurge (Euphorbia balsamifera) bush on plateau as clouds are coming over escarpment, Hawf Protected Area, Yemen

Guy Edwardes / Euphorbia (Euphorbia sp.) and Agave (Agave sp.) in mountainous landscape, Barranco del Cabrito, La Gomera, Canary Islands.

Dave Watts / Spurge (Euphorbia sp.) and Ivy (Hedera helix) dried, dead plants, caused by extreme heat and over 3 months of drought, Natural Park of Haut Languedoc, Herault , Southern France. August, 2022.

Nick Upton / Big-thighed pipiza hoverfly (Pipiza austriaca) nectaring on Spurge (Euphorbia sp.) flowers in garden, Wiltshire, UK. June.

Fabrice Cahez / Close up of Spurge flower (Euphorbia sp) France, April.