Page author: Don Knoke
Cirsium brevistylum
clustered thistle, short styled thistle
WTU specimens
Other herbaria

Distribution: British Columbia to northern California, east to Montana

Habitat: Moist places at low to moderate elevations in the mountains

Flowers: June - August

Origin: Native

Conservation Status: Not of concern

Description:
General:

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

Leaves:

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

Flowers:

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. 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.

15 photographs:
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