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Petasites frigidus
Petasites frigidus (L.) Fr.
Arctic Sweet Coltsfoot, Palmate Coltsfoot, Arctic Butterbur, Palmate Butterbur
Asteraceae (Aster Family)
Synonym(s):
USDA Symbol: PEFR5
USDA Native Status: L48 (N), AK (N), CAN (N)
Palmate Coltsfoot is a member of the aster family (family Asteraceae) which includes herbs, sometimes shrubs or vines, rarely trees, with simple or compound, alternate or opposite leaves. Flowers small, but organized into larger heads resembling a single, radially symmetrical flower cupped by a ring of green bracts. In this large, worldwide family there are about 920 genera and 19,000 species. Cosmos, Sunflower, Zinnia, Dahlia, and many others are grown as ornamentals; Lettuce, Sunflowers, and Artichokes provide food. Safflower oil is obtained from this family. Ragweed pollen causes hay fever.
From the Image Gallery
Plant Characteristics
Duration: PerennialHabit: Herb
Size Notes: Up to about 4 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom Information
Bloom Color: WhiteBloom Time: Apr , May
Distribution
USA: AK , CA , CT , ID , MA , ME , MI , MN , MT , ND , NH , NY , OR , VT , WA , WICanada: AB , BC , MB , NB , NL , NS , NT , NU , ON , PE , QC , SK , YT
Growing Conditions
Soil Moisture: MoistFind Seed or Plants
Find seed sources for this species at the Native Seed Network.
View propagation protocol from Native Plants Network.
National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | FACW | FACW | FACW | FAC | FACW | FACW | FACW |
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:Native Seed Network - Corvallis, OR
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Additional resources
USDA: Find Petasites frigidus in USDA PlantsFNA: Find Petasites frigidus in the Flora of North America (if available)
Google: Search Google for Petasites frigidus
Metadata
Record Modified: 2022-12-30Research By: TWC Staff