View source for Erysimum cheiranthoides

{{Treatment/ID
|accepted_name=Erysimum cheiranthoides
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 661. 1753
|year=1753
}}
|common_names=Wormseed mustard
|special_status={{Treatment/ID/Special_status
|code=W
|label=Weedy
}}{{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Cheiranthus cheiranthoides
|authority=(Linnaeus) A. Heller
|rank=species
}} {{Treatment/ID/Synonym
|name=Cheirinia cheiranthoides
|authority=(Linnaeus) Link
|rank=species
}}
|hierarchy=Brassicaceae;Brassicaceae tribe Erysimeae;Erysimum;Erysimum cheiranthoides
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Brassicaceae]]</div><div class="higher-taxon"><small>tribe</small>[[Brassicaceae tribe Erysimeae]]</div><div class="higher-taxon"><small>genus</small>[[Erysimum]]</div><div class="higher-taxon"><small>species</small>[[Erysimum cheiranthoides]]</div></div>
|volume=Volume 7
|mention_page=page 535
|treatment_page=page 539
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals.</b> Trichomes of leaves primarily 3- or 4-rayed, sometimes mixed with 5-rayed ones, 2-rayed trichomes primarily on stem and pedicels. <b>Stems</b> erect, often branched distally, (ribbed), (0.7–)1.5–10(–15) dm. <b>Basal</b> leaves (withered by fruiting), similar to cauline. <b>Cauline</b> leaves: (median and distal) shortly petiolate or sessile; blade (lanceolate, linear, or elliptic-oblong, (1–)2–7(–11) cm × (2–)5–12(–23) mm, base cuneate) margins usually subentire or denticulate, rarely sinuate-dentate, (apex acute or obtuse). <b>Racemes</b> considerably elongated in fruit. <b>Fruiting</b> pedicels divaricate or ascending, slender, much narrower than fruit, 5–13(–16) mm. <b>Flowers</b>: sepals oblong, 1.8–3.2 mm, lateral pair not saccate basally; petals yellow, narrowly spatulate, 3–5.5 × 1.5–2 mm, claw 1.5–3.5 mm, apex rounded; median filaments 2–3.5 mm; anthers oblong, 0.5–0.7 mm. <b>Fruits</b> suberect or divaricate-ascending, linear, straight, somewhat torulose, (1–)1.5–2.5(–4) cm × 1–1.3 mm, 4-angled, not striped; valves with prominent midvein, pubescent outside, trichomes 3–5-rayed, densely pubescent inside; ovules (20–)30–55 per ovary; style cylindrical, slender, 0.5–1.5 mm; stigma entire or slightly 2-lobed, lobes as long as wide. <b>Seeds</b> oblong, 1–1.5 × 0.4–0.6 mm; not winged. <b>2n</b> = 16.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jun–Aug.
|habitat=Dry stream beds, moist areas, waste ground, fields, pastures, disturbed ground
|elevation=0-3000 m
|distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;N.S.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Ark.;Calif.;Colo.;Conn.;D.C.;Fla.;Idaho;Ill.;Ind.;Iowa;Kans.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Oreg.;Pa.;R.I.;S.Dak.;Tenn.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Europe;Asia;n Africa.
|introduced=true
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Erysimum cheiranthoides
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=Cheiranthus cheiranthoides;Cheirinia cheiranthoides
|basionyms=
|family=Brassicaceae
|phenology=Flowering Jun–Aug.
|habitat=Dry stream beds, moist areas, waste ground, fields, pastures, disturbed ground
|elevation=0-3000 m
|distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;N.S.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Ark.;Calif.;Colo.;Conn.;D.C.;Fla.;Idaho;Ill.;Ind.;Iowa;Kans.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Oreg.;Pa.;R.I.;S.Dak.;Tenn.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Europe;Asia;n Africa.
|introduced=true
|reference=None
|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_852.xml
|tribe=Brassicaceae tribe Erysimeae
|genus=Erysimum
|species=Erysimum cheiranthoides
}}<!--

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