Distribution: Occurring chiefly in the Columbia River Gorge in Washington; south-central Washington to California.
Habitat: Dry, open places, often becoming a roadside weed.
Conservation Status: Not of concern
Tar-scented, coarse annual, 2-12 dm. tall, covered with short, stiff hairs throughout and stalked glands at least above.
Leaves linear to lanceolate, entire, the lower 3-20 cm. long and 1.5-20 mm. wide, the middle and upper leaves reduced.
Heads several in an open inflorescence, the lateral branches often topping the central; involucre hemispheric, 7-11 mm. high, the bracts in a single series, equal, the flat tips of the bracts well developed, the lower portion clasping the ray achene; rays about 13, 10-17 mm. long, pistillate and fertile, yellow, often with a basal maroon blotch; disk flowers sterile, yellow, surrounded by a cup of united bracts attached to the receptacle, which is covered with erect, straight hairs; pappus none.
Ray achenes flattened.