Distribution: Occurring east of the Cascades crest in eastern and southeastern Washington; eastern Washington to northeast Oregon and adjacent Idaho.

Habitat: Palouse grassland remnants, dry rocky slopes, and roadsides.

Flowers: June-October

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees, butterflies, beetles, hummingbirds

Stout, short-lived perennial spreading from creeping roots, branched above or sometimes below the surface, 3-12 dm. tall.

Leaves up to 3 dm. long, coarsely toothed to pinnatifid, the lobes ovate or deltoid, usually over 7mm. wide, the margins spiny; the leaves green above, but somewhat white-woolly beneath.

Heads several, at the ends of the branches; involucre 2-3.5 mm. high, its bracts well imbricate, with glandular-glutinous dorsal ridges, the inner bracts pointed at the tip, the others with spines 3-5 mm. long; flowers all tubular, white to cream; receptacle densely bristly.

Achenes 3-5 mm. long, light brown.