Petasites frigidus var. sagittatus

Taxonavigation

Taxonavigation: Asterales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Asterids Cladus: Campanulids Ordo: Asterales

Familia: Asteraceae
Subfamilia: Asteroideae
Tribus: Senecioneae
Subtribus: Tussilagininae
Genus: Petasites
Species: Petasites frigidus
Varietas: Petasites frigidus var. sagittatus

Name

Petasites frigidus var. sagittatus (Pursh) Chern., 1998.

Type-protologue: Canada: Hudson's Bay near Fort Albany. T.Hutchins s.n. 1781. LT: BM-000202 000202.

Synonyms

• Basionym
  • Tussilago sagittata Pursh, Fl. Amer. Sept. (Pursh) 2: 531. 1813.
• Homotypic
  • Nardosmia sagittata (Pursh) Hook., Fl. Bor.-Amer. (Hooker) 1: 307. 1833.
  • Petasites sagittatus (Pursh) A.Gray, Bot. California (W.H.Brewer) 1: 407. 1876.

• Heterotypic
  • Petasites dentatus Blank., Sci. Stud. Montana Coll. Agric., Bot. 1: 102. 1905, "dentata".

Hybrids

• Petasites frigidus nothovar. vitifolius (Greene) Chern.

Notes

Cherniakwsky and Bayer cited the authorship as: "Banks ex Pursh" which is an error. Pursh referred to "Herb. Banks mss.", a herbarium, not a person.

References

• Cherniawsky, D.M. 1998, Canad. J. Bot. 76(12): 2070.
• USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network — (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. 455501 (19 June 2008)