View source for Chenopodium watsonii

{{Treatment/ID
|accepted_name=Chenopodium watsonii
|accepted_authority=A. Nelson
|publications={{Treatment/Publication
|title=Bot. Gaz.
|place=34: 362. 1902
|year=1902
}}
|basionyms={{Treatment/ID/Basionym
|name=Chenopodium olidum
|authority=S. Watson
|publication_title=Proc. Amer. Acad. Arts
|publication_place=9: 95. 1874,
}}
|synonyms=
|hierarchy=Chenopodiaceae;Chenopodium;Chenopodium subg. Chenopodium;Chenopodium sect. Chenopodium;Chenopodium subsect. Favosa;Chenopodium watsonii
|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 watsonii]]</div></div>
|volume=Volume 4
|mention_page=page 277, 291
|treatment_page=page 293
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>erect or ascending to decumbent, branched from base, 1–4.5 dm, sparsely to densely farinose. <b>Leaves</b> aromatic; petiole 0.4–1.4 cm; blade broadly rounded-triangular to rounded-rhombic or ovate, 1–2.6 × 0.5–2.9 cm, base rounded or subtruncate or broadly cuneate, margins entire or proximal leaves with 1–2 teeth on each side at base, apex rounded to obtuse or acute or apiculate, densely farinose on both surfaces. <b>Inflorescences</b> glomerules in paniculate spikes, 14–24 × 2–3 cm, maturing irregularly; bracts leaflike. <b>Flowers</b>: perianth segments 5, connate into 0.3 mm tube; lobes ovate, keeled, 1–1.4 × 0.9–1.2 mm, apex acute to obtuse, farinose, enclosing fruit at maturity; stamens 5; stigmas 2. <b>Achenes</b> ovoid; pericarp adherent, usually strongly whitened, honeycombed. <b>Seeds</b> subglobose, 0.9–1.3 mm diam., margins obtuse; seed coat whitened, coarsely honeycombed. <b>2n</b> = 18.</span><!--

-->{{Treatment/Body
|phenology=Fruiting late summer–fall.
|habitat=Woods and shrublands of various types, badlands, erosion breaks in prairies, volcanic rocks, pinyon and juniper, sagebrush, disturbed ground, old mine areas, roadsides
|elevation=600-3200 m
|distribution=Alta.;Sask.;Ariz.;Calif.;Colo.;Kans.;Mont.;N.Mex.;S.Dak.;Utah;Wyo.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Chenopodium watsonii
|author=
|authority=A. Nelson
|rank=species
|parent rank=subsection
|synonyms=
|basionyms=Chenopodium olidum
|family=Chenopodiaceae
|phenology=Fruiting late summer–fall.
|habitat=Woods and shrublands of various types, badlands, erosion breaks in prairies, volcanic rocks, pinyon and juniper, sagebrush, disturbed ground, old mine areas, roadsides
|elevation=600-3200 m
|distribution=Alta.;Sask.;Ariz.;Calif.;Colo.;Kans.;Mont.;N.Mex.;S.Dak.;Utah;Wyo.
|reference=None
|publication title=Bot. Gaz.
|publication year=1902
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V4/V4_557.xml
|genus=Chenopodium
|subgenus=Chenopodium subg. Chenopodium
|section=Chenopodium sect. Chenopodium
|subsection=Chenopodium subsect. Favosa
|species=Chenopodium watsonii
}}<!--

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