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

Distribution: Both sides of the Cascades in Washington; Alaska south to California, east to Montana and Utah.

Habitat: Rocky places at moderate to high elevations in the mountains.

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. 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.

15 photographs:
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