Page authors: Don Knoke, David Giblin
Arnica ovata
sticky arnica, sticky-leaf arnica
WTU specimens
Other herbaria
WTU images

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

Conservation Status: Not of concern

Description:
General:

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

Leaves:

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.

Flowers:

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.

Fruits:

Achene.

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.

E-Flora BC: Arnica ovata atlas page.

CalPhotos: Arnica ovata photos.

USDA Plants: Arnica ovata information.

17 photographs:
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