Page authors: Don Knoke, David Giblin
Arnica ovata
sticky arnica, sticky-leaf arnica

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Montana and Utah.

Habitat: Rocky places from middle elevations to the subalpine and alpine.

Flowers: July-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Apomixis, bumblebees, butterflies


Perennial from a freely rooting rhizome, the stems solitary or tufted, 1.5-4 dm. tall.


Cauline leaves 3-4 pairs, mostly sessile, ovate to deltoid or elliptic, irregularly toothed, the middle ones the largest, with blades 4-8 cm. long and 2-6 cm. wide.


Heads generally several, narrow, with few disk flowers; involucre 10-14 mm. high with pointed bracts, covered with stalked glands; rays about 8 or about 13, 1.5-2 cm. long; pappus straw-colored, sub-plumose.



Accepted Name:
Arnica ovata Greene
Publication: Pittonia. 4: 161. 1900.

Synonyms & Misapplications:
Arnica ×diversifolia Greene [HC]
Additional Resources:

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

WA Flora Checklist: Arnica ovata checklist entry

OregonFlora: Arnica ovata information

E-Flora BC: Arnica ovata atlas page

CalPhotos: Arnica ovata photos

17 photographs:
Group by