Page authors: Don Knoke, David Giblin
Cirsium brevistylum
clustered thistle, short-styled thistle

Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to northern California, east to Montana.

Habitat: Slopes, open forest, and moist meadows from low to middle elevations in the mountains.

Flowers: June-August

Origin: Native

Growth Duration: Annual, Biennial, Perennial

Conservation Status: Not of concern


Robust, tap-rooted perennial, 9-25 dm. tall, the stem succulent, thick below and tapering.


Leaves green and only lightly loose-white-woolly below, weakly spiny, pinnatifid or coarsely toothed.


Heads clustered at the ends of branches and the main stem, often surpassed by the leaves; involucre 2-4 cm. high, strongly spider-webby, not much inbricate, its bracts slender and tapering, all but the inner with short spines; flowers all tubular, the tube very slender, dull purplish-red, 12-18 mm. long, the corolla lobes 2-4 mm. long; receptacle densely bristly.

Accepted Name:
Cirsium brevistylum Cronquist
Publication: Leafl. W. Bot. 7: 26. 1953.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Cirsium brevistylum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Cirsium brevistylum checklist entry.

E-Flora BC: Cirsium brevistylum atlas page.

CalPhotos: Cirsium brevistylum photos.

USDA Plants: Cirsium brevistylum information.

18 photographs:
Group by