Page authors: Don Knoke, David Giblin
Anemone piperi
Piper's anemone, Piper's windflower

Distribution: Occurring east of the Cascades crest in Washington in the far eastern part of the state; Washington to northeast Oregon east to Idaho and western Montana.

Habitat: Shady woods at moderate elevations in the mountains.

Flowers: April-June

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Perennial with deep-seated roots from which arise scaly, dark-brown rhizomes, the flowering stems 1.5-3.5 dm. tall.


Basal leaves single, trifoliate, long-petiolate, the leaflets coarsely bi-serrate, the lateral pair often bi-lobed over half their length; the flowering stem naked except for a whorl of 3 leaves near the top, these similar to the basal leaves but somewhat larger and appressed short-hairy.


Flowers single; sepals 5-7, white or pinkish, 12-16 mm. long; petals none; stamens 35-55; pistils numerous.


Achenes elliptic, 3 mm. long; style 0.5 mm. long, glabrous.

Accepted Name:
Anemone piperi Britton ex Rydb.
Publication: Bull. Torrey Bot. Club. 29: 153. 1902.

Synonyms & Misapplications:
(none provided)
Additional Resources:

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

WA Flora Checklist: Anemone piperi checklist entry.

E-Flora BC: Anemone piperi atlas page.

CalPhotos: Anemone piperi photos.

USDA Plants: Anemone piperi information.

31 photographs:
Group by