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.
Achene.
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