View source for Chenopodium berlandieri

{{Treatment/ID
|accepted_name=Chenopodium berlandieri
|accepted_authority=Moquin-Tandon
|publications={{Treatment/Publication
|title=Chenop. Monogr. Enum. ,
|place=23. 1840
|year=1840
}}
|common_names=Pigweed
|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. Chenopodium;Chenopodium sect. Chenopodium;Chenopodium subsect. Favosa;Chenopodium berlandieri
|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. Chenopodium]]</div><div class="higher-taxon"><small>section</small>[[Chenopodium sect. Chenopodium]]</div><div class="higher-taxon"><small>subsection</small>[[Chenopodium subsect. Favosa]]</div><div class="higher-taxon"><small>species</small>[[Chenopodium berlandieri]]</div></div>
|volume=Volume 4
|mention_page=page 275, 277, 291, 297
|treatment_page=page 294
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>erect to ascending, much-branched to simple, 1–10.5 dm, farinose. <b>Leaves</b> nonaromatic; petiole 0.2–9 cm; blade narrowly to broadly lanceolate, rhombic, ovate, or triangular, 1.2–12(–15) × 0.5–7.5(–9) cm, base cuneate to truncate, margins serrate, irregularly dentate, or entire, often with 2 basal lobes, apex acute to acuminate, farinose. <b>Inflorescences</b> glomerules in compound spikes, 5–17 cm; glomerules irregularly rounded, 4–7 mm diam.; bracts absent. <b>Flowers</b>: perianth segments 5, distinct nearly to base; lobes ovate to deltate, 0.7–1.5 × 0.7–1.3 mm, apex obtuse, farinose, often prominently keeled, covering fruit at maturity or not; stamens 5; stigmas 2, 0.3–0.5 mm. <b>Achenes</b> or utricles depressed-ovoid; pericarp adherent or nonadherent near stylar base, alveolate-rugose. <b>Seeds</b> round, 1–2 mm diam., margins rounded; seed coat brown to black, honeycomb pitted. <b>2n</b> = 36.</span><!--

-->{{Treatment/Body
|distribution=Alta.;B.C.;Man.;N.S.;N.W.T.;Ont.;P.E.I.;Que.;Sask.;Yukon;Ala.;Alaska;Ariz.;Ark.;Calif.;Colo.;Conn.;D.C.;Del.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;N.C.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nebr.;Nev.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Va.;Vt.;W.Va.;Wash.;Wis.;Wyo.;introduced widely.
|discussion=<p>Varieties 6 (6 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
|Seeds 1.2-2 mm diam
|[[#key-0-2| > 2]]
|-id=key-0-1
|1
|Seeds 1-1.3 mm diam
|[[#key-0-4| > 4]]
|-id=key-0-2
|2
|Style bases with yellow area; seeds 1.2-1.5 mm diam
|[[Chenopodium berlandieri var. zschackei|Chenopodium berlandieri var. zschackei]]
|-id=key-0-2
|2
|Style bases without yellow area; seeds 1.3-2 mm diam
|[[#key-0-3| > 3]]
|-id=key-0-3
|3
|Inflorescences large and drooping; seeds 1.7-2 mm diam
|[[Chenopodium berlandieri var. bushianum|Chenopodium berlandieri var. bushianum]]
|-id=key-0-3
|3
|Inflorescences small and erect; seeds 1.3- 1.9 mm diam
|[[Chenopodium berlandieri var. macrocalyci|Chenopodium berlandieri var. macrocalyci]]
|-id=key-0-4
|4
|Leaves not 3-lobed; inflorescences becoming bractless
|[[Chenopodium berlandieri var. boscianum|Chenopodium berlandieri var. boscianum]]
|-id=key-0-4
|4
|Leaves 3-lobed; inflorescences with or without bracts
|[[#key-0-5| > 5]]
|-id=key-0-5
|5
|Inflorescences bractless
|[[Chenopodium berlandieri var. berl|Chenopodium berlandieri var. berl]]
|-id=key-0-5
|5
|Inflorescences with leafy bracts
|[[#key-0-6| > 6]]
|-id=key-0-6
|6
|Style bases without yellow area
|[[Chenopodium berlandieri var. sinuatum|Chenopodium berlandieri var. sinuatum]]
|-id=key-0-6
|6
|Style bases with yellow area
|[[Chenopodium berlandieri var. zschackei|Chenopodium berlandieri var. zschackei]]
|}
</div></div><!--

-->{{#Taxon:
name=Chenopodium berlandieri
|authority=Moquin-Tandon
|rank=species
|parent rank=subsection
|synonyms=
|basionyms=
|family=Chenopodiaceae
|distribution=Alta.;B.C.;Man.;N.S.;N.W.T.;Ont.;P.E.I.;Que.;Sask.;Yukon;Ala.;Alaska;Ariz.;Ark.;Calif.;Colo.;Conn.;D.C.;Del.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;N.C.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nebr.;Nev.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Va.;Vt.;W.Va.;Wash.;Wis.;Wyo.;introduced widely.
|reference=None
|publication title=Chenop. Monogr. Enum. ,
|publication year=1840
|special status=Weedy;Illustrated
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V4/V4_560.xml
|genus=Chenopodium
|subgenus=Chenopodium subg. Chenopodium
|section=Chenopodium sect. Chenopodium
|subsection=Chenopodium subsect. Favosa
|species=Chenopodium berlandieri
}}<!--

-->[[Category:Treatment]][[Category:Chenopodium subsect. Favosa]]