Difference between revisions of "Petasites frigidus var. ×vitifolius"

(Greene) Cherniawsky

Canad. J. Bot. 76: 2072. 1999.

Common names: Pétasite à feuilles de vigne
Basionym: Petasites vitifolius Greene Leafl. Bot. Observ. Crit. 1: 180. 1906
Synonyms: Petasites nivalis subsp. vitifolius (Greene) J. Toman Petasites trigonophyllus Greene Petasites warrenii H. St. John
Treatment appears in FNA Volume 20. Treatment on page 639. Mentioned on page 638, 640.
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|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>
 
|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=
 
|tables=
|references=
+
|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.
 +
}}
 
}}<!--
 
}}<!--
  
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|elevation=100–1700 m
 
|elevation=100–1700 m
 
|distribution=Alta.;B.C.;Man.;Nfld. and Labr. (Labr.);N.W.T.;Ont.;Que.;Sask.;Yukon;Mich.;Minn.;Wash.;Wis.
 
|distribution=Alta.;B.C.;Man.;Nfld. and Labr. (Labr.);N.W.T.;Ont.;Que.;Sask.;Yukon;Mich.;Minn.;Wash.;Wis.
|reference=None
+
|reference=bogle1968a
 
|publication title=Canad. J. Bot.
 
|publication title=Canad. J. Bot.
 
|publication year=1999
 
|publication year=1999
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_1439.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V20_1439.xml
 
|tribe=Asteraceae tribe Senecioneae
 
|tribe=Asteraceae tribe Senecioneae
 
|genus=Petasites
 
|genus=Petasites

Revision as of 20:25, 16 December 2019

Basal 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. Staminate 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. Pistillate 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. Pappi (pistillate) to 15 mm. 2n = 60.


Phenology: Flowering early spring.
Habitat: Wet marshy sites, moist woodlands
Elevation: 100–1700 m

Distribution

V20-1439-distribution-map.gif

Alta., B.C., Man., Nfld. and Labr. (Labr.), N.W.T., Ont., Que., Sask., Yukon, Mich., Minn., Wash., Wis.

Discussion

Petasites frigidus var. ×vitifolius often grows in association with one or both putative parents (P. frigidus var. palmatus and P. frigidus var. sagittatus).

Lower Taxa

None.
Randall J. Bayer +, A. Linn Bogle +  and Donna M. Cherniawsky +
(Greene) Cherniawsky +
Petasites vitifolius +
Pétasite à feuilles de vigne +
Alta. +, B.C. +, Man. +, Nfld. and Labr. (Labr.) +, N.W.T. +, Ont. +, Que. +, Sask. +, Yukon +, Mich. +, Minn. +, Wash. +  and Wis. +
100–1700 m +
Wet marshy sites, moist woodlands +
Flowering early spring. +
Canad. J. Bot. +
bogle1968a +
Illustrated +
Petasites nivalis subsp. vitifolius +, Petasites trigonophyllus +  and Petasites warrenii +
Petasites frigidus var. ×vitifolius +
Petasites frigidus +
variety +