Distribution: Known only from one colony at Pullman, Washington, and another at nearby Palouse.
Habitat: Dry, open areas in the foothills.
Conservation Status: Not of concern
Biennial or occasionally annual, the stem usually branched, 3-10 dm. tall, the juice milky.
Leaves elongate, uniformly tapering from base to apex, entire, not recurved, mostly glabrous but with some loose, wooly hairs in the axils.
Heads solitary at the ends of branches, the peduncles enlarged and hollow under the heads; involucral bracts in a single series, equal, broad at the base and tapering to a point, about 13, 2.5-4 cm. long in flower, barely surpassing the ligulate corollas, elongating to 4-7 cm. in fruit; ligules brownish-purple with a yellow base; pappus of a single series of whitish, uneven-length, plumose bristles, the plume branches interwebbed.
Achenes 2.5-4 cm. long, the body narrowed to the stout beak.