Difference between revisions of "Sonchus arvensis"
Sp. Pl. 2: 793. 1753.
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|common_names=Field sow-thistle;laiteron des champs | |common_names=Field sow-thistle;laiteron des champs | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution=Europe;introduced also in South America;Asia;Africa;Pacific Islands (New Zealand);Australia. | + | |distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T.;Nfld. and Labr. (Nfld.);Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Calif.;Colo.;Conn.;Del.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;Mont.;N.C.;N.Dak.;N.H.;N.J.;N.Y.;Nebr.;Nev.;Ohio;Oreg.;Pa.;R.I.;S.Dak.;Tenn.;Utah;Va.;Vt.;W.Va.;Wash.;Wis.;Wyo.;Europe;introduced also in South America;Asia;Africa;Pacific Islands (New Zealand);Australia. |
|discussion=<p>Subspecies 2 (2 in the flora).</p><!-- | |discussion=<p>Subspecies 2 (2 in the flora).</p><!-- | ||
| − | --><p>Sonchus arvensis is introduced in temperate regions of all continents. Plants of the species prefer relatively cooler, moister climates and are more abundant in the northern part of North America.</p> | + | --><p><i>Sonchus arvensis</i> is introduced in temperate regions of all continents. Plants of the species prefer relatively cooler, moister climates and are more abundant in the northern part of North America.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Sonchus arvensis | name=Sonchus arvensis | ||
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|authority=Linnaeus | |authority=Linnaeus | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Asteraceae | |family=Asteraceae | ||
| − | |distribution=Europe;introduced also in South America;Asia;Africa;Pacific Islands (New Zealand);Australia. | + | |distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T.;Nfld. and Labr. (Nfld.);Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Calif.;Colo.;Conn.;Del.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;Mont.;N.C.;N.Dak.;N.H.;N.J.;N.Y.;Nebr.;Nev.;Ohio;Oreg.;Pa.;R.I.;S.Dak.;Tenn.;Utah;Va.;Vt.;W.Va.;Wash.;Wis.;Wyo.;Europe;introduced also in South America;Asia;Africa;Pacific Islands (New Zealand);Australia. |
| − | |||
|reference=None | |reference=None | ||
|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year=1753 | |publication year=1753 | ||
| − | |special status= | + | |special status=Introduced |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_376.xml |
|tribe=Asteraceae tribe Cichorieae | |tribe=Asteraceae tribe Cichorieae | ||
|genus=Sonchus | |genus=Sonchus | ||
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}}<!-- | }}<!-- | ||
| − | -->[[Category:Treatment]][[Category:Sonchus]] | + | --> |
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| + | [[Category:Treatment]] | ||
| + | [[Category:Sonchus]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 18:20, 6 November 2020
Perennials, 0–150(–200) cm, usually rhizomatous or stoloniferous. Stem bases hard, sometimes ± woody. Leaves: blades of mid cauline oblong to lanceolate, (3–)6–40 × 2–15 cm, bases auriculate, auricles straight or curved, rounded, margins usually pinnately lobed, lobes ± deltate, not constricted at bases, terminals usually larger than laterals, dentate or entire. Peduncles sessile- or stipitate-glandular. Involucres 10–17+ mm. Phyllaries sessile- or stipitate-glandular. Corollas: ligules ± equaling tubes. Cypselae dark brown, oblanceoloid to ellipsoid, 2.5–3.5 mm, ribs 4–5(+) on each face, faces transversely rugulose to tuberculate across and between ribs; pappi 8–14 mm. 2n = 36, 54.
Distribution
Alta., B.C., Man., N.B., N.S., N.W.T., Nfld. and Labr. (Nfld.), Ont., P.E.I., Que., Sask., Yukon, Alaska, Calif., Colo., Conn., Del., Idaho, Ill., Ind., Iowa, Kans., Ky., Maine, Mass., Md., Mich., Minn., Miss., Mo., Mont., N.C., N.Dak., N.H., N.J., N.Y., Nebr., Nev., Ohio, Oreg., Pa., R.I., S.Dak., Tenn., Utah, Va., Vt., W.Va., Wash., Wis., Wyo., Europe, introduced also in South America, Asia, Africa, Pacific Islands (New Zealand), Australia.
Discussion
Subspecies 2 (2 in the flora).
Sonchus arvensis is introduced in temperate regions of all continents. Plants of the species prefer relatively cooler, moister climates and are more abundant in the northern part of North America.
Selected References
None.
Key
| 1 | Peduncles stipitate-glandular; phyllaries stipitate- glandular | Sonchus arvensis subsp. arvensis |
| 1 | Peduncles sessile-glandular; phyllaries usually sessile-glandular, rarely tomentose | Sonchus arvensis subsp. uliginosus |