Distribution: Cheifly east of the Cascades, southern British Columbia to eastern Oregon, east to Montana and Wyoming.
Habitat: Open, usually dry places, often among sagebrush.
Flowers: June - July
Conservation Status: Not of concern
Perennial with a tap-root, 1-5 dm. tall, sub-erect, generally purplish at the base, the herbage covered densely with short, spreading hairs.
Basal leaves triple-nerved, elongate, acute, tapering gradually below, up to 25 cm. long including the petiole, and 1 cm. wide; cauline leaves reduced.
Heads 1-16 in an open inflorescence; involucres 5-7 mm. high, grey-hairy, its bracts somewhat imbricate; rays 35-65, pistillate, deep blue or occasionally pink, 7-13 mm. long; pappus double, the inner of 20-30 bristles.