View source for Veronica arvensis

{{Treatment/ID
|accepted_name=Veronica arvensis
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 13. 1753
|year=1753
}}
|common_names=Wall or corn speedwell;véronique des champs
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms=
|hierarchy=Plantaginaceae;Veronica;Veronica arvensis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Plantaginaceae]]</div><div class="higher-taxon"><small>genus</small>[[Veronica]]</div><div class="higher-taxon"><small>species</small>[[Veronica arvensis]]</div></div>
|volume=Volume 17
|mention_page=page 307
|treatment_page=page 317
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals.</b> Stems erect to ascending, 1–30(–40) cm, glandular- or eglandular-hairy. <b>Leaves</b> in 3–6 pairs per stem; blade oblong to broadly ovate, (2–)5–14(–35) × (2–)3–10(–18) mm, 2.5 times as long as wide, base truncate, margins crenate-serrate, apex obtuse to rounded, surfaces sparsely eglandular-hairy, rarely also glandular-hairy. <b>Racemes</b> 1(–3), terminal, 20–150 mm, (5–)15–40(–60)-flowered, axis densely eglandular- and glandular-hairy; bracts linear-oblong, (3.5–)4–6(–10) mm. <b>Pedicels</b> erect, 0–4 mm, shorter than subtending bract, densely eglandular- and glandular-hairy. <b>Flowers</b>: calyx lobes (2–)3.5–5(–6) mm, 0.8–2 mm wide, apex acute, glandular-hairy; corolla sky blue to intense blue, 2–4 mm diam.; stamens 0.3–0.5 mm; style (0.2–)0.4–0.6(–1) mm. <b>Capsules</b> compressed in cross section, obcordiform, 2–4 × 2.5–5 mm, apex markedly emarginate, glandular-ciliate, otherwise glabrous. <b>Seeds</b> 10–30, yellowish, ovoid, flat, 0.7–1.7 × 0.4–1 mm, 0.2–0.4 mm thick, rugose. <b>2n</b> = 16.</span><!--

-->{{Treatment/Body
|phenology=Flowering (Feb–)Mar–Jun(–Oct).
|habitat=Disturbed sites, lawns, fields, open forests, scrub, grasslands, rocky sites, coasts.
|elevation=0–2900 m.
|distribution=Greenland;B.C.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;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.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Eurasia;Africa;Atlantic Islands;Pacific Islands;Australia;introduced also in Mexico;Central America.
|introduced=true
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Veronica arvensis
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Plantaginaceae
|phenology=Flowering (Feb–)Mar–Jun(–Oct).
|habitat=Disturbed sites, lawns, fields, open forests, scrub, grasslands, rocky sites, coasts.
|elevation=0–2900 m.
|distribution=Greenland;B.C.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;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.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Eurasia;Africa;Atlantic Islands;Pacific Islands;Australia;introduced also in Mexico;Central America.
|introduced=true
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Introduced
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V17/V17_766.xml
|genus=Veronica
|species=Veronica arvensis
}}<!--

-->[[Category:Treatment]][[Category:Veronica]]