Distribution: Chiefly east of the Cascades, southern British Columbia to California, east to northwest Montana and Nevada.
Habitat: Dry, open woods and grasslands, from the plains and foothills, occasionally up to moderate elevations in the mountains.
Flowers: May - July
Conservation Status: Not of concern
Slender annual, up to 3 dm. tall, branched above, the herbage glandular and covered with short, stiff hairs.
Leaves linear, entire, 1-4 cm. long and 1-2 mm. wide, the lower opposite and the middle and upper alternate.
Heads on filiform, naked peduncles, small, nearly globose; involucre 2.5-4.5 mm. high, of 4-8 hairy, strongly glandular, equal-length bracts; rays very short and inconspicuous, their achenes compressed parallel to a radius of the head; disk flower solitary, surrounded by united bracts.