Distribution: Pacific Northwest, including southern British Columbia, and east into the Rocky Mountains
Habitat: Moderately dry, open forests from fairly low (where common) to sub-alpine
Flowers: April - July
Conservation Status: Not of concern
Perennial from long rhizomes, 1-6 dm. tall, pubescent, stems solitary or a few clustered together.
Long-petiolate, cordate basal leaves commonly on separate short shoots; cauline leaves 2-4 pairs, petiolate, reduced upward, the more or less cordate blade 4-12 cm. long and 3-9 cm. wide, usually toothed.
Heads 1-3, rarely more, often single; involucre 13-20 mm. high, covered with long, spreading, white hairs, and usually glandular as well; rays 10-15, 1.5-3 cm. long, yellow; pappus white, barbellate.
Achenes uniformly short-hairy or glandular or both.
The similar Arnica latifolia has smaller and usually more heads, and the leaves and achenes are usually glabrous.