Page author: David Giblin
Anemone oregana
Oregon anemone
WTU specimens
Other herbaria

Distribution: In Washington occurring on the Olympic Peninsula and chiefly east of the Cascades crest; Chelan County, Washington south to northern California.

Habitat: Moist, open woods, moderate to mid-elevations in the mountains.

Flowers: March-June

Origin: Native

Conservation Status: Not of concern

Description:
General:

Perennial from scaly, stout, horizontal rhizomes, the flowering stems 1-3 dm. tall.

Leaves:

Basal leaves single, trifoliate, the leaflets once or twice shallowly lobed and remotely serrate; the flowering stem naked except for a whorl of 3 leaves near the top, these trifoliate, petiolate, the leaflets up to 8 cm. long, the lateral pair deeply lobed, all remotely toothed.

Flowers:

Flowers single; sepals usually 5, ovate-oblong, 12-20 mm. long, usually blue to blue-violet, but occasionally white or pinkish; petals none; stamens 35-100; pistils numerous.

Fruits:

Achenes narrowly oblong, 4 mm. long, finely pubescent; style 0.5 mm. long, glabrous.

Accepted Name:
Anemone oregana A. Gray
Publication: Proc. Amer. Acad. Arts. 22: 308. 1887.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. felix – Oregon anemone    Grays Harbor County, Washington, and Lincoln County, Oregon
var. oregana – Oregon anemone    Both sides of the Cascades but more common east, Chelan County, Washington, to California
Additional Resources:

PNW Herbaria: Specimen records of Anemone oregana in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Anemone oregana checklist entry.

E-Flora BC: Anemone oregana atlas page.

CalPhotos: Anemone oregana photos.

USDA Plants: Anemone oregana information.

32 photographs:
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