Distribution: Northeast Oregon and eastern Washington, east to Wyoming and north to Saskatchewan
Habitat: Open woods, foothills to mid-elevations in the mountains
Flowers: July - September
Conservation Status: Not of concern
Stout perennial from a creeping rhizome, 3-10 dm. tall, strongly glandular above.
Leaves firm, usually sharply toothed, the lowermost small, elliptic, tapering to a short petiole, soon deciduous; the other leaves ample, 6-18 cm. long and 2-8 cm. wide, sessile, ovate to elliptic.
Heads several in an open, flat-topped inflorescence; involucre 8-12 mm. high, densely glandular, its bracts well imbricate, with fairly broad, papery base, tapering to a green tip; rays 12-35, 10-15 mm. long, blue or purple; pappus of numerous capillary bristles.