Difference between revisions of "Petasites frigidus var. ×vitifolius"
Canad. J. Bot. 76: 2072. 1999.
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|name=Petasites vitifolius | |name=Petasites vitifolius | ||
|authority=Greene | |authority=Greene | ||
| + | |rank=species | ||
|publication_title=Leafl. Bot. Observ. Crit. | |publication_title=Leafl. Bot. Observ. Crit. | ||
|publication_place=1: 180. 1906 | |publication_place=1: 180. 1906 | ||
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|name=Petasites nivalis subsp. vitifolius | |name=Petasites nivalis subsp. vitifolius | ||
|authority=(Greene) J. Toman | |authority=(Greene) J. Toman | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Petasites trigonophyllus | |name=Petasites trigonophyllus | ||
|authority=Greene | |authority=Greene | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Petasites warrenii | |name=Petasites warrenii | ||
|authority=H. St. John | |authority=H. St. John | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Petasites;Petasites frigidus;Petasites frigidus var. ×vitifolius | |hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Petasites;Petasites frigidus;Petasites frigidus var. ×vitifolius | ||
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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= |
| − | |||
| − | |||
| − | |||
}}<!-- | }}<!-- | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Petasites frigidus var. ×vitifolius | name=Petasites frigidus var. ×vitifolius | ||
| − | |||
|authority=(Greene) Cherniawsky | |authority=(Greene) Cherniawsky | ||
|rank=variety | |rank=variety | ||
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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= | + | |reference=None |
|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/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/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 20:26, 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
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).
Selected References
None.