View source for Chenopodium rubrum

{{Treatment/ID
|accepted_name=Chenopodium rubrum
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 218. 1753
|year=1753
}}
|common_names=Red pigweed;red goosefoot;coast-blite
|special_status={{Treatment/ID/Special_status
|code=W
|label=Weedy
}}{{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms=
|hierarchy=Chenopodiaceae;Chenopodium;Chenopodium subg. Blitum;Chenopodium sect. Pseudoblitum;Chenopodium rubrum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Chenopodiaceae]]</div><div class="higher-taxon"><small>genus</small>[[Chenopodium]]</div><div class="higher-taxon"><small>subgenus</small>[[Chenopodium subg. Blitum]]</div><div class="higher-taxon"><small>section</small>[[Chenopodium sect. Pseudoblitum]]</div><div class="higher-taxon"><small>species</small>[[Chenopodium rubrum]]</div></div>
|volume=Volume 4
|mention_page=page 276, 279
|treatment_page=page 282
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>erect to ascending or prostrate, much-branched, 0.1–6(–8) dm, glabrous. <b>Leaves</b> non-aromatic; petiole 0.05–0.45 cm; blade triangular to rhombic, 1–9 × 1–6 cm, base cuneate, margins dentate or entire, apex obtuse to acute. <b>Inflorescences</b> lateral glomerules sessile on lateral branched spikes; glomerules subglobose, 2–5 mm diam.; bracts linear, 0.4–2 cm. <b>Flowers</b>: perianth segments 3 or 4, usually connate only at base; lobes lanceolate to elliptic, 0.8–1 × 0.4–0.8 mm, membranaceous, apex broadly acute to rounded, occasionally deeply retuse, rounded or occasionally keeled, glabrous, green and covering fruit at maturity; stamens 2–3; stigmas 2, 0.1 mm. <b>Utricles</b> ovoid; pericarp nonadherent, reticulate-punctate. <b>Seeds</b> vertical and occasionally horizontal, ovoid, 0.6–1(–1.2) mm diam., margins rounded; seed coat reddish brown, smooth. <b>2n</b> = 18.</span><!--

-->{{Treatment/Body
|distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T.;Ont.;Que.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Conn.;Idaho;Ill.;Iowa;Kans.;Maine;Mass.;Mich.;Minn.;Mo.;Mont.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nebr.;Nev.;Ohio;Oreg.;Pa.;R.I.;S.Dak.;Utah;Wash.;Wis.;Wyo.;Europe.
|discussion=<p>Varieties 2 (2 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Vertical seeds 0.6-0.8(-1) mm diam.; stems erect or ascending, 1.5-6(-8) dm; leaf blade margins deeply dentate
|[[Chenopodium rubrum var. rubrum|Chenopodium rubrum var. rubrum]]
|-id=key-0-1
|1
|Vertical seeds 0.8-1(-1.2) mm diam.; stems prostrate or spreading, 0.1-1.8 dm; leaf blade margins entire or shallowly dentate
|[[Chenopodium rubrum var. humile|Chenopodium rubrum var. humile]]
|}
</div></div><!--

-->{{#Taxon:
name=Chenopodium rubrum
|authority=Linnaeus
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Chenopodiaceae
|distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T.;Ont.;Que.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Conn.;Idaho;Ill.;Iowa;Kans.;Maine;Mass.;Mich.;Minn.;Mo.;Mont.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nebr.;Nev.;Ohio;Oreg.;Pa.;R.I.;S.Dak.;Utah;Wash.;Wis.;Wyo.;Europe.
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Weedy;Illustrated
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_519.xml
|genus=Chenopodium
|subgenus=Chenopodium subg. Blitum
|section=Chenopodium sect. Pseudoblitum
|species=Chenopodium rubrum
}}<!--

-->[[Category:Treatment]][[Category:Chenopodium sect. Pseudoblitum]]