View source for Thlaspi arvense

{{Treatment/ID
|accepted_name=Thlaspi arvense
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 646. 1753
|year=1753
}}
|common_names=Fanweed;field pennycress;stinkweed
|special_status={{Treatment/ID/Special_status
|code=W
|label=Weedy
}}{{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Teruncius arvensis
|authority=(Linnaeus) Lunell
|rank=species
}}
|hierarchy=Brassicaceae;Brassicaceae tribe Thlaspideae;Thlaspi;Thlaspi arvense
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Brassicaceae]]</div><div class="higher-taxon"><small>tribe</small>[[Brassicaceae tribe Thlaspideae]]</div><div class="higher-taxon"><small>genus</small>[[Thlaspi]]</div><div class="higher-taxon"><small>species</small>[[Thlaspi arvense]]</div></div>
|volume=Volume 7
|mention_page=
|treatment_page=page 746
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>(sometimes glaucous), glabrous throughout. <b>Stems</b> (0.9–)1.5–5.5(–8) dm. <b>Basal</b> leaves not rosulate; petiole 0.5–3 cm; blade oblanceolate, spatulate, or obovate, 1–5 cm × 4–23 mm, base attenuate or cuneate, margins entire, repand, or coarsely dentate, apex rounded. <b>Cauline</b> leaves: blade oblong, (0.5–)1.5–4(–8) cm × (2–)5–15(–25) mm, apex rounded, obtuse, or subacute. <b>Fruiting</b> pedicels straight or slightly upcurved, (5–)9–13(–15) mm. <b>Flowers</b>: sepals (1.5–)2–3(–3.3) × 1–1.5 mm; petals (2.4–)3–4.5(–5) × (0.8–)1.1–1.7 mm, narrowed to clawlike base (ca. 1 mm), apex obtuse or emarginate; filaments (1–)1.5–2.2 mm; anthers 0.3–0.5 mm. <b>Fruits</b> obovate or suborbicular, (0.6–)0.9–2 cm × (5–)7–20 mm, base obtuse or rounded, apex deeply emarginate, notch ca. 5 mm deep; wings broad throughout, 1–1.5 mm wide basally, 3.5–5 mm wide apically; ovules 6–16 per ovary; style 0.1–0.3 mm. <b>Seeds</b> (1.2–)1.6–2(–2.3) × 1.1–1.3 mm, concentrically striate. <b>2n</b> = 14.</span><!--

-->{{Treatment/Body
|phenology=Flowering Mar–Aug.
|habitat=Roadsides, fields, waste places, lawns, gardens, railroad tracks, stream banks, bluffs, thickets, slopes, floodplains, woods
|elevation=0-2000 m
|distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;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.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Europe;Asia.
|introduced=true
|discussion=<p><i>Thlaspi arvense</i> is a cosmopolitan weed of Eurasian origin. Cattle feeding on it develop tainted milk.</p>
|tables=
|references={{Treatment/Reference
|id=best1975a
|text=Best, K. F. and G. K. McIntyre. 1975. The biology of Canadian weeds. 9. Thlaspi arvense L. Canad. J. Pl. Sci. 55: 279–292.
}}
}}<!--

--><!--

-->{{#Taxon:
name=Thlaspi arvense
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=Teruncius arvensis
|basionyms=
|family=Brassicaceae
|phenology=Flowering Mar–Aug.
|habitat=Roadsides, fields, waste places, lawns, gardens, railroad tracks, stream banks, bluffs, thickets, slopes, floodplains, woods
|elevation=0-2000 m
|distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;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.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Europe;Asia.
|introduced=true
|reference=best1975a
|publication title=Sp. Pl.
|publication year=1753
|special status=Weedy;Introduced
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_1313.xml
|tribe=Brassicaceae tribe Thlaspideae
|genus=Thlaspi
|species=Thlaspi arvense
}}<!--

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