View source for Arnica chamissonis

{{Treatment/ID
|accepted_name=Arnica chamissonis
|accepted_authority=Lessing
|publications={{Treatment/Publication
|title=Linnaea
|place=6: 238. 1831
|year=1831
}}
|common_names=Chamisso arnica;leafy arnica;arnica de Chamisso
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Arnica bernardina
|authority=Greene
}}{{Treatment/ID/Synonym
|name=Arnica chamissonis var. bernardina
|authority=(Greene) Jepson ex Maguire
}}{{Treatment/ID/Synonym
|name=Arnica chamissonis subsp. foliosa
|authority=(Nuttall) Maguire
}}{{Treatment/ID/Synonym
|name=Arnica chamissonis var. foliosa
|authority=(Nuttall) Maguire
}}{{Treatment/ID/Synonym
|name=Arnica chamissonis subsp. incana
|authority=(A. Gray) Maguire
}}{{Treatment/ID/Synonym
|name=Arnica chamissonis var. incana
|authority=(A. Gray) Hultén
}}{{Treatment/ID/Synonym
|name=Arnica chamissonis var. interior
|authority=Maguire
}}{{Treatment/ID/Synonym
|name=Arnica chamissonis var. jepsoniana
|authority=Maguire
}}{{Treatment/ID/Synonym
|name=Arnica foliosa
|authority=unknown
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Arnica;Arnica chamissonis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Chaenactidinae]]</div><div class="higher-taxon"><small>genus</small>[[Arnica]]</div><div class="higher-taxon"><small>species</small>[[Arnica chamissonis]]</div></div>
|volume=Volume 21
|mention_page=page 368
|treatment_page=page 372
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>20–80(–150) cm. <b>Stems</b> usually branched from mid heights or distally. <b>Leaves</b> 4–10 pairs, mostly cauline (evenly distributed; basal leaves often withered by flowering, 1–2 pairs, subsessile to short-petiolate); sessile (proximalmost with membranous connate-sheathing bases); blades lance-elliptic, broadly oblanceolate, or oblong, 5–20 × 2–6(–8) cm, margins entire or remotely denticulate to prominently dentate, apices acute, faces nearly glabrous or puberulent to sparsely or densely white-tomentose-pilose. <b>Heads</b> (1–)3–10(–16). <b>Involucres</b> campanulate (rarely hemispheric). <b>Phyllaries</b> 8–23, nearly linear to narrowly lanceolate (apices each with conspicuous tuft of white hairs). <b>Ray</b> florets 8–20; corollas yellow. <b>Disc</b> florets: corollas yellow; anthers yellow. <b>Cypselae</b> gray to brown, 3–8 mm, subglabrous to sparsely hirsutulous, stipitate-glandular; pappi stramineous, bristles barbellate to subplumose. <b>2n</b> = 38, 57, 76.</span><!--

-->{{Treatment/Body
|phenology=Flowering Apr–Sep.
|habitat=Moist meadows and conifer forests, stream banks, late snow-melt areas, often montane to subalpine
|elevation=0–3500 m
|distribution=Alta.;B.C.;Man.;N.W.T.;Ont.;Que.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Arnica chamissonis
|author=
|authority=Lessing
|rank=species
|parent rank=genus
|synonyms=Arnica bernardina;Arnica chamissonis var. bernardina;Arnica chamissonis subsp. foliosa;Arnica chamissonis var. foliosa;Arnica chamissonis subsp. incana;Arnica chamissonis var. incana;Arnica chamissonis var. interior;Arnica chamissonis var. jepsoniana;Arnica foliosa
|basionyms=
|family=Asteraceae
|phenology=Flowering Apr–Sep.
|habitat=Moist meadows and conifer forests, stream banks, late snow-melt areas, often montane to subalpine
|elevation=0–3500 m
|distribution=Alta.;B.C.;Man.;N.W.T.;Ont.;Que.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo.
|reference=None
|publication title=Linnaea
|publication year=1831
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V21_930.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
|genus=Arnica
|species=Arnica chamissonis
}}<!--

-->[[Category:Treatment]][[Category:Arnica]]