An erect little-branched herb to 1 m tall, glabrous or finely puberulous, leaves lyrate-pinnatifid, coarsely serrate, petioles 5-30 mm long, blades 4-16 cm long, 1-7 cm wide, decurrent at base, upper leaves more or less sessile; heads terminal on axes of corymbose inflorescences; axes puberulent; involucre with outer short subfiliform bracts about 2 mm long, ore numerous longer inner bracts (slightly coherent) 14-15 mm long; pappus of numerous silky yellowish to white slender hairs, corollas yellow with darker tips; anthers purplish; style-arms purplish; achene linear-cylindric, smooth, brown, faintly lined, 2 mm long

PIER