View source for Helenium autumnale

{{Treatment/ID
|accepted_name=Helenium autumnale
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 886. 1753
|year=1753
}}
|common_names=Common sneezeweed;hélénie automnale
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Helenium autumnale var. canaliculatum
|authority=(Lamarck) Torrey & A. Gray
|rank=variety
}} {{Treatment/ID/Synonym
|name=Helenium autumnale var. fylesii
|authority=B. Boivin
|rank=variety
}} {{Treatment/ID/Synonym
|name=Helenium autumnale var. grandiflorum
|authority=Torrey & A. Gray
|rank=variety
}} {{Treatment/ID/Synonym
|name=Helenium autumnale var. montanum
|authority=(Nuttall) Fernald
|rank=variety
}} {{Treatment/ID/Synonym
|name=Helenium autumnale var. parviflorum
|authority=(Nuttall) Fernald
|rank=variety
}} {{Treatment/ID/Synonym
|name=Helenium latifolium
|authority=
|rank=species
}} {{Treatment/ID/Synonym
|name=Helenium parviflorum
|authority=
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Gaillardiinae;Helenium;Helenium autumnale
|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 Gaillardiinae]]</div><div class="higher-taxon"><small>genus</small>[[Helenium]]</div><div class="higher-taxon"><small>species</small>[[Helenium autumnale]]</div></div>
|volume=Volume 21
|mention_page=page 427
|treatment_page=page 431
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 50–130 cm. <b>Stems</b> 1(–7), branched distally, strongly winged, sparsely to densely hairy proximally, moderately to densely hairy distally. <b>Leaves</b> usually moderately to densely hairy, sometimes glabrous; basal blades (withered by flowering) lanceolate, oblanceolate, or obovate, entire or weakly lobed; proximal and mid blades obovate to oblanceolate, usually dentate or entire; distal blades oblanceolate to lanceolate, entire or dentate. <b>Heads</b> 5–70(–100+) per plant, in paniculiform arrays. <b>Peduncles</b> 3–10 cm, moderately to densely hairy. <b>Involucres</b> globoid, 8–20 × 8–23 mm. <b>Phyllaries</b> (connate proximally) moderately to densely hairy. <b>Ray</b> florets 8–21, pistillate, fertile; corollas yellow, 10–23 × 4–10 mm. <b>Disc</b> florets 200–400(–800+); corollas yellow proximally, yellow to yellow-brown distally, 2.4–4 mm, lobes 5. <b>Cypselae</b> 1–2 mm, sparsely to moderately hairy; pappi of 5–7 entire, aristate scales (0.5–)0.9–1.5(–1.8) mm. <b>2n</b> = 32, 34, 36.</span><!--

-->{{Treatment/Body
|phenology=Flowering (Jul–)Aug–Oct(–Nov).
|habitat=Roadsides, fields, along streams, ditches, seepage areas, around ponds and lakes
|elevation=20–2600 m
|distribution=Alta.;B.C.;Man.;N.W.T.;Ont.;Que.;Sask.;Ala.;Ariz.;Ark.;Calif.;Colo.;Del.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Md.;Mass.;Mich.;Miss.;Mo.;Mont.;Nebr.;Nev.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;S.C.;Tenn.;Tex.;Utah;Va.;Wash.;W.Va.;Wyo.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Helenium autumnale
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=Helenium autumnale var. canaliculatum;Helenium autumnale var. fylesii;Helenium autumnale var. grandiflorum;Helenium autumnale var. montanum;Helenium autumnale var. parviflorum;Helenium latifolium;Helenium parviflorum
|basionyms=
|family=Asteraceae
|phenology=Flowering (Jul–)Aug–Oct(–Nov).
|habitat=Roadsides, fields, along streams, ditches, seepage areas, around ponds and lakes
|elevation=20–2600 m
|distribution=Alta.;B.C.;Man.;N.W.T.;Ont.;Que.;Sask.;Ala.;Ariz.;Ark.;Calif.;Colo.;Del.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Md.;Mass.;Mich.;Miss.;Mo.;Mont.;Nebr.;Nev.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;S.C.;Tenn.;Tex.;Utah;Va.;Wash.;W.Va.;Wyo.
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Illustrated;Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_1076.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae
|genus=Helenium
|species=Helenium autumnale
}}<!--

-->[[Category:Treatment]][[Category:Helenium]]