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{{Taxobox
| name = ''Euphorbia helioscopia''
| image = Euphorbia helioscopia2.jpg
| image_width = 225px
| image_caption = Flowers and immature fruit
| regnum = [[Plant]]ae
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = [[Malpighiales]]
| familia = [[Euphorbiaceae]]
| genus = [[Euphorbia]]
| species = '''''E. helioscopia'''''
| binomial = ''Euphorbia helioscopia''
| binomial_authority = [[Carolus Linnaeus|L.]]<!-- 1753 -->
}}
'''''Euphorbia helioscopia''''' ('''Sun Spurge''') is a species of [[spurge]] native to most of [[Europe]], northern [[Africa]], and eastward through most of [[Asia]].<ref name=grin>Germplasm Resources Information Network: [http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?16373 ''Euphorbia helioscopia'']</ref><ref name=flora>''Flora Europaea'': [http://rbg-web2.rbge.org.uk/cgi-bin/nph-readbtree.pl/feout?FAMILY_XREF=&GENUS_XREF=Euphorbia+&SPECIES_XREF=helioscopia&TAXON_NAME_XREF=&RANK= ''Euphorbia helioscopia'']</ref><ref name=blamey>Blamey, M. & Grey-Wilson, C. (1989). ''Flora of Britain and Northern Europe''. ISBN 0-340-40170-2</ref>
It is an [[annual plant]] growing in [[arable land]] and disturbed ground. It grows to 10–50 cm tall, with a single, erect, hairless stem, branching toward the top. The [[leaf|leaves]] are oval, broadest near the tip, 1.5-3 cm long, with a finely toothed margin. The [[flower]]s are small, yellow-green, with two to five basal [[bract]]s similar to the leaves but yellower; flowering lasts from mid spring to late summer.<ref name=blamey/><ref name=malta>Malta Wild Plants [http://www.maltawildplants.com/EUPH/Euphorbia_helioscopia.html ''Euphorbia helioscopia'']</ref>
It is highly poisonous. Active ingredients are extracted from it for use in pharmaceutical industry.
Other old folk names include wart spurge, umbrella milkweed and "madwoman's milk".<ref name=malta/>
==References==
<references/>
{{Commons|Euphorbia helioscopia}}
[[Category:Euphorbia]]
{{Euphorbia-stub}}
[[de:Sonnwend-Wolfsmilch]]
[[es:Euphorbia helioscopia]]
[[fr:Euphorbia helioscopia]]
[[ko:등대풀]]
[[it:Euphorbia helioscopia]]
[[nl:Kroontjeskruid]]
[[ja:トウダイグサ]]
[[pl:Wilczomlecz obrotny]]
[[sq:Euphorbia helioscopia]]
[[fi:Viisisädetyräkki]]
[[sv:Revormstörel]]
| name = ''Euphorbia helioscopia''
| image = Euphorbia helioscopia2.jpg
| image_width = 225px
| image_caption = Flowers and immature fruit
| regnum = [[Plant]]ae
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = [[Malpighiales]]
| familia = [[Euphorbiaceae]]
| genus = [[Euphorbia]]
| species = '''''E. helioscopia'''''
| binomial = ''Euphorbia helioscopia''
| binomial_authority = [[Carolus Linnaeus|L.]]<!-- 1753 -->
}}
'''''Euphorbia helioscopia''''' ('''Sun Spurge''') is a species of [[spurge]] native to most of [[Europe]], northern [[Africa]], and eastward through most of [[Asia]].<ref name=grin>Germplasm Resources Information Network: [http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?16373 ''Euphorbia helioscopia'']</ref><ref name=flora>''Flora Europaea'': [http://rbg-web2.rbge.org.uk/cgi-bin/nph-readbtree.pl/feout?FAMILY_XREF=&GENUS_XREF=Euphorbia+&SPECIES_XREF=helioscopia&TAXON_NAME_XREF=&RANK= ''Euphorbia helioscopia'']</ref><ref name=blamey>Blamey, M. & Grey-Wilson, C. (1989). ''Flora of Britain and Northern Europe''. ISBN 0-340-40170-2</ref>
It is an [[annual plant]] growing in [[arable land]] and disturbed ground. It grows to 10–50 cm tall, with a single, erect, hairless stem, branching toward the top. The [[leaf|leaves]] are oval, broadest near the tip, 1.5-3 cm long, with a finely toothed margin. The [[flower]]s are small, yellow-green, with two to five basal [[bract]]s similar to the leaves but yellower; flowering lasts from mid spring to late summer.<ref name=blamey/><ref name=malta>Malta Wild Plants [http://www.maltawildplants.com/EUPH/Euphorbia_helioscopia.html ''Euphorbia helioscopia'']</ref>
It is highly poisonous. Active ingredients are extracted from it for use in pharmaceutical industry.
Other old folk names include wart spurge, umbrella milkweed and "madwoman's milk".<ref name=malta/>
==References==
<references/>
{{Commons|Euphorbia helioscopia}}
[[Category:Euphorbia]]
{{Euphorbia-stub}}
[[de:Sonnwend-Wolfsmilch]]
[[es:Euphorbia helioscopia]]
[[fr:Euphorbia helioscopia]]
[[ko:등대풀]]
[[it:Euphorbia helioscopia]]
[[nl:Kroontjeskruid]]
[[ja:トウダイグサ]]
[[pl:Wilczomlecz obrotny]]
[[sq:Euphorbia helioscopia]]
[[fi:Viisisädetyräkki]]
[[sv:Revormstörel]]