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Perennial herb, up to 0.6 m high, stout. Stems not winged. Leaves mostly in basal rosettes, but also scattered to densely set along stem, spreading, alternate; blade of basal leaves oblong to narrowly obovate or elliptic in outline, up to 400 x 150 mm, pinnatisect, usually cut nearly to midrib, lobes up to ± 15 each side, oblong or narrowly ovate, ± imbricate, margins coarsely and irregularly dentate, teeth spine-tipped, upper surface thinly and softly hairy, lower surface usually white-cobwebby, occasionally only glandular-hairy; upper leaves smaller, ovate, base semi-amplexicaul, auriculate; basal leaves narrowed into an often broadened petiole, upper leaves sessile. Heads radiate, ± 60-100 mm in diameter, up to ± 8 subcorymbosely clustered at apex, rarely solitary, pedunculate. Involucral bracts connate at base, linear to very narrowly ovate, up to 5 mm wide, apex and margins spiny, glandular and white-cobwebby on backs. Flowers: ray and disc florets yellow; Dec.-Feb. Fruit with cypsela turbinate, glabrous or minutely pubescent, ± 2.5 mm long. Pappus of scales, ± biseriate, ± 1.2 mm long, ± oblong, obtuse.
A coarse perennial herb, flowering stems simple, up to c. 60 cm long, lateral to the rosette, stout, cobwebby or with spreading hairs, remotely leafy. Leaves mostly radical, rosetted, spreading, up to 40 x 15 cm, oblong to elliptic in outline narrowed to a petiole-like base, pinnatisect, usually cut nearly to the midrib, lobes up to c. 15 each side, oblong or broadly lanceolate, more or less imbricate, margins coarsely and irregularly toothed, teeth spine-tipped, upper surface thinly and softly hairy, lower usually white-cobwebby, occasionally only glandular, stem leaves similar to the basal ones but much smaller and the upper ones less deeply cut, sessile, base more or less cordate, half-clasping. Heads c. 6-10 cm across the expanded rays, up to c. 8 clustered at the stem apex, rarely solitary. Involucral bracts linear-lanceolate, up to 5 mm broad, tips and margins spiny, glandular and white-cobwebby on the backs. Achenes c. 2.5 mm long, turbinate, glabrous or minutely pubescent. Pappus scales c. 1 mm long, more or less oblong, obtuse.
Coarse perennial herb, 0.4-0.6 m high; flowering stems simple, lateral to the rosette, stout, cobwebby or with spreading hairs, remotely leafy. Leaves mostly radical, rosetted, spreading, oblong to elliptic in outline narrowed to petiole-like base, pinnatisect, usually cut nearly to midrib, lobes up to 15 each side, oblong or broadly lanceolate, ± imbricate, margins coarsely and irregularly toothed; teeth spine-tipped. Capitula up to 8-clustered at stem apex, rarely solitary; involucral bracts linear-lanceolate, apex and margins spiny. Pappus of ± oblong scales, obtuse. Cypselae turbinate, glabrous or minutely pubescent.
