Euphorbia palustris, Tithymalus palustris, SE: Kärrtörel,
DE: Sumpf-Wolfsmilch, NL: Moeraswolfsmelk, UK: Marsh Euphorbia

Scientific name:		Euphorbia palustris L.
Synonym name:		Tithymalus palustris (L.) Hill
Swedish name:		Kärrtörel
German name:		Sumpf-Wolfsmilch
Nederlandse naam:		Moeraswolfsmelk
English name:		Marsh Euphorbia
Plant Family:		Euphorbiaceae, Spurge family, Törelväxter

Life form:		Perennial herbaceous plant
Stems:		Erect stems branched, hollow; containing latex
Leaves:		Lance-shaped
Flowers:		Clusters of yellow, 2-bracted; emersed leaves rosulate, round-obovate
Flowering Period:		May, June
Fruits:		Capsules erect, three-loculate, each loculus containing one seed
Habitat:		Wet grassland and swamps

Derivation of the botanical name: Euphorbia, Εὔφορβος, Euphorbus, after the Numidian physician Euphorbus, physician to Juba II, King of Numidia and Mauretania, about the end of the first century BCE. In classical Greek ευφορβοσ (euphorbos) means well fed. palustris, "of marshes", marsh-loving. Tithymalus, tithumalos, milky white juice. The standard author abbreviation L. is used to indicate Carl Linnaeus (1707 – 1778), a Swedish botanist, physician, and zoologist, the father of modern taxonomy. The standard author abbreviation Hill is used to indicate John Hill (1716 – 1775), an English author and botanist. Euphorbia palustris is pollinated by insects, mostly by Muscidae,Conopidae (flies). Typical pollinators also include syrphids, as well as beetles (Scarabidae,Dermestidae,Chrysomelidae, Cerambyicidae, Curculionidae, Elateridae),wasps(Braconidae, Tenthredinidae, Chrysididae), ants (Formicidae)and medium-tongued bees (Apidae). Insects are attracted by the showy yellow nectar-glands and bracts forming the inflorescence. The nectar contains fructose,glucose and sucrose.