iNat·975169sectionPlantae47,161 field observationsThe Nature Library · Open stacks

Tithymalus

Euphorbia is a large and diverse genus of flowering plants, commonly called spurge, in the family Euphorbiaceae.

Euphorbias all share the feature of having a poisonous, latex-like sap and unique floral structures. When viewed as a whole, the head of flowers looks like a single flower (a pseudanthium). It has a unique kind of pseudanthium, called a cyathium, where each flower in the head is reduced to its barest essential part needed for sexual reproduction. The individual flowers are either male or female, with the male flowers reduced to only the stamen, and the females to the pistil. These flowers have no sepals, petals, or other parts that are typical of flowers in other kinds of plants. Structures supporting the flower head and other structures underneath have evolved to attract pollinators with nectar, and with shapes and colors that function in a way petals and other flower parts do in other flowers. It is the only genus of plants that has all three kinds of photosynthesis; CAM, C3, and C4.

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41 branches of this group, most-observed first

Petty Spurge

speciesEuphorbia peplus

horned spurge

speciesEuphorbia brachycera

Woodland Spurge

speciesEuphorbia lurida

wood spurge

speciesEuphorbia commutata

Roemer's spurge

speciesEuphorbia roemeriana

Mojave spurge

speciesEuphorbia schizoloba

Wedgeleaf Spurge

speciesEuphorbia longicruris

Chinese caps

speciesEuphorbia crenulata

Weak Spurge

speciesEuphorbia tetrapora

Ouachita spurge

speciesEuphorbia ouachitana

Euphorbia chamaepeplus

speciesEuphorbia chamaepeplus

Euphorbia esuliformis

speciesEuphorbia esuliformis

Low Spurge

speciesEuphorbia peplidion

Euphorbia beamanii

speciesEuphorbia beamanii

Euphorbia herniariifolia

speciesEuphorbia herniariifolia

mountain spurge

speciesEuphorbia chamaesula

Hairy Mojave Spurge

speciesEuphorbia yaquiana

Euphorbia furcillata

speciesEuphorbia furcillata

Heller's spurge

speciesEuphorbia helleri

Euphorbia greggii

speciesEuphorbia greggii

Euphorbia hieroglyphica

speciesEuphorbia hieroglyphica

Euphorbia mcvaughiana

speciesEuphorbia mcvaughiana

South Texas Spurge

speciesEuphorbia austrotexana

Euphorbia neilmulleri

speciesEuphorbia neilmulleri

Euphorbia nesomii

speciesEuphorbia nesomii

Euphorbia tuerckheimii

speciesEuphorbia tuerckheimii

Euphorbia orizabae

speciesEuphorbia orizabae

Euphorbia longecornuta

speciesEuphorbia longecornuta

Euphorbia creberrima

speciesEuphorbia creberrima

Euphorbia caudiculosa

speciesEuphorbia caudiculosa

Georgia Spurge

speciesEuphorbia georgiana

Euphorbia ivanjohnstonii

speciesEuphorbia ivanjohnstonii

Euphorbia chiribensis

speciesEuphorbia chiribensis

Euphorbia correllii

speciesEuphorbia correllii

Euphorbia eggersii

speciesEuphorbia eggersii

Euphorbia isaurica

speciesEuphorbia isaurica

Euphorbia promecocarpa

speciesEuphorbia promecocarpa

Euphorbia punctata

speciesEuphorbia punctata

Euphorbia pinkavana

speciesEuphorbia pinkavana

Euphorbia hyrcana

speciesEuphorbia hyrcana

Euphorbia cressoides

speciesEuphorbia cressoides

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.

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In the old herbals & bestiaries

De medicinali materia libri sex

Dioscorides · 1552 · p.650

Commentaries on the Six Books of Pedanius Dioscorides on Medical Matter

Pietro Andrea Mattioli · 1565 · p.1422