Page authors: Don Knoke, David Giblin
Arnica latifolia
broad-leaved arnica, mountain arnica, daffodil leopardbane

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.

Habitat: Common in forest openings and meadows, and open, rocky areas from middle to high elevations in the mountains.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Apomixis, bumblebees, butterflies


Perennial, 1-6 dm. tall, glandular at least above.


Broad, long-petiolate basal leaves sometimes on short separate stalks; cauline leaves 2-4 pairs, lance-elliptic or broader, rarely cordate, more or less toothed, 2-14 cm. long and 1-8 cm. wide, the middle ones larger than the lower.


Heads 1-several; involucre 7-18 mm. high, more or less glandular; pappus white, barbellate.


Achenes glabrous, at least toward the base.

Identification Notes:

The similar Arnica cordifolia has larger heads, frequently solitary; its leaves and achenes are pubescent.

Accepted Name:
Arnica latifolia Bong.
Publication: Mém. Acad. Imp. Sci. St.-Pétersbourg, Sér. 6, Sci. Math. 2: 147. 1832.

Synonyms & Misapplications:
Arnica latifolia Bong. var. latifolia [HC]
Additional Resources:

PNW Herbaria: Specimen records of Arnica latifolia in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Arnica latifolia checklist entry

OregonFlora: Arnica latifolia information

E-Flora BC: Arnica latifolia atlas page

CalPhotos: Arnica latifolia photos

64 photographs:
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