View source for Chenopodium atrovirens

{{Treatment/ID
|accepted_name=Chenopodium atrovirens
|accepted_authority=Rydberg
|publications={{Treatment/Publication
|title=Mem. New York Bot. Gard.
|place=1: 131. 1900
|year=1900
}}
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Chenopodium fremontii var. atrovirens
|authority=(Rydberg) Fosberg
|rank=variety
}}
|hierarchy=Chenopodiaceae;Chenopodium;Chenopodium subg. Chenopodium;Chenopodium sect. Chenopodium;Chenopodium subsect. Leptophylla;Chenopodium atrovirens
|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. Leptophylla]]</div><div class="higher-taxon"><small>species</small>[[Chenopodium atrovirens]]</div></div>
|volume=Volume 4
|mention_page=page 290
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>erect to ascending, usually much-branched, 0.7–6.5 dm, moderately to densely farinose. <b>Leaves</b> nonaromatic; petiole 0.5–1.5 cm, usually markedly upward curved; blade ovate, broadly oblong, oblong, oval, or occasionally triangular, prominently 3-veined, 1–3 × 0.4–2.2 cm, 1.5–3 times longer than wide, thick, base rounded to cuneate, margins entire or occasionally with basal lobe, apex obtuse or rounded, farinose abaxially. <b>Inflorescences</b> glomerules in terminal and axillary paniculate spikes, 2–8 × 1–1.5 cm; glomerules maturing unevenly; bracts linear, 2 × 0.1 mm. <b>Flowers</b>: perianth segments 5, distinct nearly to base; lobes obovate, 0.8–0.9 × 0.6–0.8 mm, apex rounded or emarginate, carinate, farinose, not covering fruit at maturity; stamens 5; stigmas 2, 0.1 mm. <b>Achenes</b> or Utricles ovoid; pericarp adherent or nonadherent, smooth. <b>Seeds</b> 0.9–1.3 mm diam., margins acute; seed coat black, rugulate. <b>2n</b> = 18.</span><!--

-->{{Treatment/Body
|phenology=Fruiting mid summer–fall.
|habitat=Open dry sandy areas and other disturbed sites
|elevation=100-3400 m
|distribution=Alta.;B.C.;Sask.;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wyo.
|discussion=<p><i>Chenopodium atrovirens</i> has been reported for Washington but we have seen no specimens. Reports of C. carnulosum Moquin-Tandon from Texas are, at least in part, this species. We have seen no reliable North American records of this southern South American species.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Chenopodium atrovirens
|authority=Rydberg
|rank=species
|parent rank=subsection
|synonyms=Chenopodium fremontii var. atrovirens
|basionyms=
|family=Chenopodiaceae
|phenology=Fruiting mid summer–fall.
|habitat=Open dry sandy areas and other disturbed sites
|elevation=100-3400 m
|distribution=Alta.;B.C.;Sask.;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wyo.
|reference=None
|publication title=Mem. New York Bot. Gard.
|publication year=1900
|special status=Illustrated;Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_547.xml
|genus=Chenopodium
|subgenus=Chenopodium subg. Chenopodium
|section=Chenopodium sect. Chenopodium
|subsection=Chenopodium subsect. Leptophylla
|species=Chenopodium atrovirens
}}<!--

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