Difference between revisions of "Petasites frigidus var. palmatus"
Rhodora 48: 124. 1946.
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|name=Nardosmia palmata | |name=Nardosmia palmata | ||
|authority=(Aiton) Hooker | |authority=(Aiton) Hooker | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Petasites arcticus | |name=Petasites arcticus | ||
|authority=A. E. Porsild | |authority=A. E. Porsild | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Petasites frigidus subsp. arcticus | |name=Petasites frigidus subsp. arcticus | ||
|authority=(A. E. Porsild) Cody | |authority=(A. E. Porsild) Cody | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Petasites palmatus | |name=Petasites palmatus | ||
|authority=(Nuttall) Piper | |authority=(Nuttall) Piper | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Petasites palmatus subsp. speciosus | |name=Petasites palmatus subsp. speciosus | ||
|authority=(Nuttall) Toman | |authority=(Nuttall) Toman | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Petasites speciosus | |name=Petasites speciosus | ||
|authority=unknown | |authority=unknown | ||
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|publication year=1946 | |publication year=1946 | ||
|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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V20_1437.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Petasites | |genus=Petasites | ||
Revision as of 15:20, 18 September 2019
Basal leaves: blades palmately nerved, orbiculate or cordate to reniform, 2–40 × 4–50 cm, margins palmately lobed (primary lobes 5–11, lanceolate to oblong or cuneate, sinuses more than halfway to bases, sometimes secondary lobes 0–13, entire or dentate, teeth to 52 per side), adaxial and abaxial faces glabrous or woolly, sometimes glabrescent. Staminate heads 4–32; ray (or pistillate) florets 5–70, corolla laminae 0 or 0.1–6.3 mm; disc floret style branches 0–1.7 mm. Pistillate heads 8–42; ray (or pistillate) florets 51–125, corolla laminae 0 or 0.1–6.3 mm; disc florets: corolla lobes 0.5–2.9 mm, style branches 0–0.8 mm, papillate or hairy. Pappi (pistillate) to 11.8 mm. 2n = 60, 61, 62.
Phenology: Flowering early spring.
Habitat: Moist disturbed areas, stream banks, fens, swamps, roadside ditches and embankments, logging roads, moist forest soils
Elevation: 10–1500 m
Distribution
St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., P.E.I., Que., Sask., Yukon, Calif., Conn., Idaho, Maine, Mass., Mich., Minn., N.H., N.Y., N.Dak., Oreg., R.I., Vt., Wash., Wis.
Discussion
Selected References
None.