Page authors: Don Knoke, David Giblin
Petasites japonicus
Japanese sweet coltsfoot
Specimens
Photos

Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to Oregon.

Habitat: Forest edge, typically where moist and disturbed; generally escaping from cultivation.

Flowers: June-September

Origin: Introduced from Asia

Conservation Status: Not of concern

Description:

[none provided]


Accepted Name:
Petasites japonicus (Siebold & Zucc.) Maxim.
Publication: Award 34th Demidovian Prize 212. 1866.

Synonyms & Misapplications:
Petasites japonicus (Siebold & Zucc.) Maxim. var. giganteus (F. Schmidt ex Trautv.) G. Nicholson [HC2]
Petasites japonicus (Siebold & Zucc.) Maxim. var. japonicus
Additional Resources:

PNW Herbaria: Specimen records of Petasites japonicus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Petasites japonicus checklist entry.

E-Flora BC: Petasites japonicus atlas page.

CalPhotos: Petasites japonicus photos.

USDA Plants: Petasites japonicus information.

8 photographs:
Group by