View source for Sonchus oleraceus

{{Treatment/ID
|accepted_name=Sonchus oleraceus
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 794. 1753
|year=1753
}}
|common_names=Common sow-thistle;laiteron
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Cichorieae;Sonchus;Sonchus oleraceus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Cichorieae]]</div><div class="higher-taxon"><small>genus</small>[[Sonchus]]</div><div class="higher-taxon"><small>species</small>[[Sonchus oleraceus]]</div></div>
|volume=Volume 19
|mention_page=page 274
|treatment_page=page 275
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals </b>or biennials, 10–140(–200) cm. <b>Stem</b> bases soft to hard, herbaceous, often hollow. <b>Leaves</b>: blades of mid cauline spatulate or oblong to obovate or lanceolate, 6–35 × 1–15 cm, bases auriculate, auricles deltate to lanceolate, ± straight, acute, margins usually pinnately (often runcinately) lobed, lobes ± deltate to lanceolate, not constricted at bases, terminals usually larger than laterals, entire or dentate. <b>Peduncles</b> usually glabrous, sometimes stipitate-glandular. <b>Involucres</b> 9–13+ mm. <b>Phyllaries</b> usually glabrous, sometimes tomentose and/or stipitate-glandular. <b>Corollas</b>: ligules ± equaling tubes. <b>Cypselae</b> dark brown, mostly oblanceoloid, 2.5–3.5+ mm, ribs 2–4 on each face, faces transversely rugulose or tuberculate across and between ribs; pappi 5–8 mm. <b>2n</b> = 32, 36.</span><!--

-->{{Treatment/Body
|phenology=Flowering (Apr–)Jul–Oct (year-round in south).
|habitat=Disturbed sites, gardens, roadsides, along streams
|elevation=0–2000 m
|distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Ala.;Alaska;Ariz.;Ark.;Calif.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Europe;introduced also in Mexico;West Indies;Bahamas;Central America;South America;Africa;Asia;Pacific Islands (New Zealand);Australia.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Sonchus oleraceus
|author=
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering (Apr–)Jul–Oct (year-round in south).
|habitat=Disturbed sites, gardens, roadsides, along streams
|elevation=0–2000 m
|distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Ala.;Alaska;Ariz.;Ark.;Calif.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Europe;introduced also in Mexico;West Indies;Bahamas;Central America;South America;Africa;Asia;Pacific Islands (New Zealand);Australia.
|introduced=true
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V19_380.xml
|tribe=Asteraceae tribe Cichorieae
|genus=Sonchus
|species=Sonchus oleraceus
}}<!--

-->[[Category:Treatment]][[Category:Sonchus]]