View source for Petasites frigidus var. ×vitifolius

{{Treatment/ID
|accepted_name=Petasites frigidus var. ×vitifolius
|accepted_authority=(Greene) Cherniawsky
|publications={{Treatment/Publication
|title=Canad. J. Bot.
|place=76: 2072. 1999
|year=1999
}}
|common_names=Pétasite à feuilles de vigne
|basionyms={{Treatment/ID/Basionym
|name=Petasites vitifolius
|authority=Greene
|rank=species
|publication_title=Leafl. Bot. Observ. Crit.
|publication_place=1: 180. 1906
}}
|synonyms={{Treatment/ID/Synonym
|name=Petasites nivalis subsp. vitifolius
|authority=(Greene) J. Toman
|rank=subspecies
}} {{Treatment/ID/Synonym
|name=Petasites trigonophyllus
|authority=Greene
|rank=species
}} {{Treatment/ID/Synonym
|name=Petasites warrenii
|authority=H. St. John
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Petasites;Petasites frigidus;Petasites frigidus var. ×vitifolius
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Senecioneae]]</div><div class="higher-taxon"><small>genus</small>[[Petasites]]</div><div class="higher-taxon"><small>species</small>[[Petasites frigidus]]</div><div class="higher-taxon"><small>variety</small>[[Petasites frigidus var. ×vitifolius]]</div></div>
|volume=Volume 20
|mention_page=page 638, 640
|treatment_page=page 639
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Basal </b>leaves: blades palmately to palmati-pinnately nerved, deltate or broadly cordate to reniform, 2–43 × 3.5–47 cm (bases sometimes convex-curved), irregularly palmately to palmati-pinnately lobed (primary lobes 4–14, triangular, sinuses usually less than halfway to bases, lobes subentire to sinuate-dentate, secondary lobes 0–11, entire or dentate, teeth to 44 per side), abaxial and adaxial faces glabrous or woolly to tomentose, sometimes glabrescent. <b>Staminate</b> heads 3–32; ray florets 2–27, corolla laminae 2.1–7.8 mm; disc floret style branches 0.4–1.4 mm, papillate or hairy. <b>Pistillate</b> heads 9–34; ray florets 48–89, corolla laminae 0.8–2.5 mm; disc florets: corolla lobes 0.8–2 mm, style branches 0.3–1.2 mm, papillate or hairy. <b>Pappi</b> (pistillate) to 15 mm. <b>2n</b> = 60.</span><!--

-->{{Treatment/Body
|phenology=Flowering early spring.
|habitat=Wet marshy sites, moist woodlands
|elevation=100–1700 m
|distribution=Alta.;B.C.;Man.;Nfld. and Labr. (Labr.);N.W.T.;Ont.;Que.;Sask.;Yukon;Mich.;Minn.;Wash.;Wis.
|discussion=<p><i>Petasites frigidus </i>var.<i> ×vitifolius</i> often grows in association with one or both putative parents (<i>P. frigidus </i>var.<i> palmatus</i> and <i>P. frigidus </i>var.<i> sagittatus</i>).</p>
|tables=
|references={{Treatment/Reference
|id=bogle1968a
|text=Bogle, A. L. 1968. Evidence for the hybrid origin of Petasites warrenii and P. vitifolius. Rhodora 70: 533–551.
}}
}}<!--

--><!--

-->{{#Taxon:
name=Petasites frigidus var. ×vitifolius
|authority=(Greene) Cherniawsky
|rank=variety
|parent rank=species
|synonyms=Petasites nivalis subsp. vitifolius;Petasites trigonophyllus;Petasites warrenii
|basionyms=Petasites vitifolius
|family=Asteraceae
|phenology=Flowering early spring.
|habitat=Wet marshy sites, moist woodlands
|elevation=100–1700 m
|distribution=Alta.;B.C.;Man.;Nfld. and Labr. (Labr.);N.W.T.;Ont.;Que.;Sask.;Yukon;Mich.;Minn.;Wash.;Wis.
|reference=bogle1968a
|publication title=Canad. J. Bot.
|publication year=1999
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1439.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Petasites
|species=Petasites frigidus
|variety=Petasites frigidus var. ×vitifolius
}}<!--

-->[[Category:Treatment]][[Category:Petasites frigidus]]