Page authors: Don Knoke, David Giblin
Arnica latifolia
broad leaved arnica, mountain arnica, daffodil leopardbane
WTU specimens
Other herbaria

Distribution: Both sides of the Cascades in Washington; Alaska south through Washington.

Habitat: Common in open forests and open, rocky areas at mid- to high elevations in the mountains.

Flowers: June-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Perennial, 1-6 dm. tall, glandular at least above.

Leaves:

Broad, long-petiolate basal leaves sometimes on short separate stalks; cauline leaves 2-4 pairs, lance-elliptic or broader, rarely cordate, more or less toothed, 2-14 cm. long and 1-8 cm. wide, the middle ones larger than the lower.

Flowers:

Heads 1-several; involucre 7-18 mm. high, more or less glandular; pappus white, barbellate.

Fruits:

Achenes glabrous, at least toward the base.

Identification Notes:

The similar Arnica cordifolia has larger heads, frequently solitary; its leaves and achenes are pubescent.

Accepted Name:
Arnica latifolia Bong.
Publication: Mém. Acad. Imp. Sci. St.-Pétersbourg, Sér. 6, Sci. Math. 2: 147. 1832.

Synonyms & Misapplications:
Arnica latifolia Bong. var. latifolia [HC]
Additional Resources:

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

WA Flora Checklist: Arnica latifolia checklist entry.

E-Flora BC: Arnica latifolia atlas page.

CalPhotos: Arnica latifolia photos.

USDA Plants: Arnica latifolia information.

56 photographs:
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