Page author: David Giblin
Arnica gracilis
slender arnica, slender leopardbane

Distribution: Occurring on both sides of the Cascades crest in the mountainous areas in Washington; British Columbia to Oregon, east to Alberta, Montana, Wyoming, and Utah.

Habitat: Dry, rocky slopes and meadows, from the subalpine to alpine.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Perennial from a scaly caudex, the several slender stems 1-3 dm. high.


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, 1.5-8 cm. long and 1-2.5 cm. wide, the middle ones larger than the lower.


Heads usually 3-9, small and narrow; involucre 7-13 mm. high, more or less glandular; rays and disk flowers yellow; pappus white, barbellate.


Achenes glabrous, at least toward the base

Accepted Name:
Arnica gracilis Rydb.
Publication: Bull. Torrey Bot. Club. 24: 297. 1897.

Synonyms & Misapplications:
Arnica latifolia Bong. var. gracilis (Rydb.) Cronquist [HC]
Additional Resources:

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

WA Flora Checklist: Arnica gracilis checklist entry.

E-Flora BC: Arnica gracilis atlas page.

CalPhotos: Arnica gracilis photos.

USDA Plants: Arnica gracilis information.

21 photographs:
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