Robert W. Freckmann Herbarium


  Petasites frigidus (L.) Fr. var. palmatus (Aiton) Cronquist image
Photographer: Merel R. Black           

Derek Anderson

Derek Anderson

Emmet J. Judziewicz

Emmet J. Judziewicz

Steve C. Garske

Steve C. Garske
Family Asteraceae
Petasites frigidus (L.) Fr. var. palmatus (Aiton) Cronquist
Arctic sweet-colt's-foot, northern sweet-colt's-foot
Petasites: from for "broad-brimmed hat" referring to large leaves and becoming Greek for "coltsfoot"
frigidus: stiff, of the cold
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, perennial, 4"-20" tall, woolly forb; from clone-forming rhizomes
Flower: head 1/2" long with white to pinkish disk flowers; inflorescence with heads in an open, branched cluster; blooms April-June
Fruit:dry seed on fluffy pappus
Leaf:basal, up to 15" wide, 5-11 palmate lobes, rounded to kidney-shaped in outline, whitened beneath, on long stalks
Habitat: moderate moisture to wet; forests, meadows
(Glossary)

More Information Natural Communities Herbarium Specimens
All Petasites list Google- Images or Text

Flora of North America (off site)
Synonyms 
Nardosmia arctica (Porsild) A.Löve & D.Löve
Petasites frigidus (L.) Fr. subsp. palmatus (Aiton) Cody
Petasites arcticus Porsild
Petasites frigidus (L.) Fr. subsp. arcticus (Porsild) Cody
Petasites hookerianus (Nutt.) Rydb.
Petasites palmatus (Aiton) A.Gray
Petasites speciosus (Nutt.) Piper
Tussilago palmata Aiton

         
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