Fibrous-rooted perennial 2–8 dm from a short caudex, glabrous except generally under the heads, somewhat glaucous; basal lvs oblanceolate to broadly elliptic, mostly 4–25 cm (petiole included) × 1–5 cm, entire or toothed, or sometimes pinnatifid below but with a large, broad terminal segment; cauline lvs few, sessile and clasping, often much reduced, the uppermost often subopposite and with several long peduncles in their common axil; heads several; invol 7–14 mm, much surpassed by the orange fls; bracts 9–18, narrow, reflexed in age; pappus of 20–35 very fragile, unequal bristles and ca 10 inconspicuous hyaline scales less than 0.5 mm; 2n=10. Woods, roadsides, and fields; Mass. to Ga., w. to Man., Colo., and Ariz. May–Oct. (K. amplexicaulis)