Distribution: Widely distributed on both sides of the Cascades crest in the mountainous areas of Washington; Yukon Territory to Oregon, east to the northern Great Plains and Great Lakes region.

Habitat: Streambanks, pond and lake margins, and moist woods at middle-elevations in the mountains.

Flowers: July-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies, butterflies

Perennial from creeping rhizomes, the stem 4-10 dm. tall, covered with stalked glands at least above.

Leaves lanceolate, thin, pointed, 5-13 cm. long and 1-4 cm. wide, entire or remotely few-toothed, sessile and clasping, slightly reduced upward, the lower early-deciduous.

Heads several in a leafy, short inflorescence; involucre 7-11 mm. high, glandular, the bracts pointed, equal, the outer herbaceous throughout, the inner purplish; disk flowers yellow, numerous; ray flowers 20-45, pistillate, purple or violet, 8-15 mm. long; pappus of numerous capillary bristles.

Achenes sparsely hairy.