Distribution: Southeast British Columbia and northeast Washington, and adjacent Idaho and Montana.
Habitat: Open hillsides and forest openings, moderate to fairly high elevations in the mountains.
Flowers: Late June - Early September
Conservation Status: Not of concern
Perennial from a branching crown, fibrous-rooted, the several stems erect or ascending, 1.5-3 dm. tall.
Leaves crowded, scabrous, sessile, 1-nerved, 15-40 mm. long and 1-4 mm. wide, tipped with a short spine.
Heads solitary, top-shaped, the disk 12-25 mm. wide; rays about 13, 12-20 mm. long, blue to violet; involucre 9-14 mm. high, its bracts imbricate, glandular-hairy; pappus of capillary bristles, double, the outer 1 mm. long.