Page authors: Don Knoke, David Giblin
Arnica parryi
Parry's arnica

Distribution: Occurring on both sides of the Cascades crest in Washington; Yukon Territory to California, east to the Rocky Mountains.

Habitat: Open woods and meadows, from middle elevations to the alpine.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Apomixis, bumblebees, butterflies


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.


Cauline leaves 2-4 pairs, strongly reduced upward, with lanceolate or lance-ovate blades 5-20 cm. long and 1.5-6 cm. wide.


Heads several, nodding in bud, rayless; involucres 10-14 mm. high, their bracts sharp pointed; pappus tawny, sub-plumose.


Achenes glabrous to glandular or hairy.

Identification Notes:

The other rayless species in our area, Arnica discoidea, has wider leaves, and the heads are upright in bud.

Accepted Name:
Arnica parryi A. Gray
Publication: Amer. Naturalist. 8: 213. 1874.

Synonyms & Misapplications:
Arnica angustifolia Vahl ssp. eradiata A. Gray
Arnica parryi A. Gray ssp. parryi
Arnica parryi A. Gray ssp. sonnei (Greene) Maguire
Arnica parryi A. Gray var. parryi [HC]
Arnica parryi A. Gray var. sonnei (Greene) Cronquist
Additional Resources:

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

WA Flora Checklist: Arnica parryi checklist entry.

OregonFlora: Arnica parryi information.

E-Flora BC: Arnica parryi atlas page.

CalPhotos: Arnica parryi photos.

USDA Plants: Arnica parryi information.

36 photographs:
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