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Perennial herb, up to 0.9 m high. Stems narrowly winged, spinose. Leaves alternate, densely set all along stem; blade oblong, narrowly ovate or narrowly elliptic, up to 200 x 50 mm, margins coarsely sinuate-dentate or pinnatisect, lobes rounded, spinose-ciliate in between, all decurrent in narrow, spiny, stem wings; upper surface rather harshly glandular-pubescent, lower surface white-felted; lower ones narrowed to a short petiole-like base, upper ones sessile. Heads radiate, up to 80 mm in diameter, few, corymbosely arranged, pedunculate. Involucral bracts connate at base, narrowly ovate, up to 3 mm wide, tip and margins spiny, minutely glandular on backs. Flowers: ray and disc florets yellow; Nov.-Mar. Fruit with cypsela turbinate, glabrous, ± 2 mm long. Pappus of scales, uniseriate, 0.7-1.0 mm long, irregularly denticulate.
A stout perennial herb up to 90 cm tall, stem branching above into the compound inflorescence, sparsely pubescent, leafy, narrowly winged. Leaves up to 20 x 5 cm, oblong or lanceolate in outline, the lower narrowed to a short petiole-like base, the upper sessile, all decurrent in narrow spiny stem wings, coarsely sinuate-dentate or pinnatisect, lobes rounded, coarsely spinose-toothed, the margins spinose-ciliate, upper surface rather harshly glandular-pubescent, lower white-felted. Heads up to 8 cm across the expanded rays, few on long bracteate peduncles corymbosely arranged. Involucral bracts linear-lanceolate to lanceolate, up to 3 mm broad, tip and margins spiny, minutely glandular on the back. Rays and disc yellow. Achenes c. 2 mm long, turbinate, glabrous. Pappus scales c. 1 mm long, irregularly toothed.
Perennial herb, 0.3-0.9 m high; stout, stem branching above into the compound inflorescence, sparsely pubescent, leafy, narrowly winged. Leaves oblong in outline, lower narrowed to short petiole-like base, upper sessile, all decurrent in narrow spiny stem wings, blade coarsely sinuate-dentate or pinnatisect, lobes rounded, coarsely spinose-toothed, margins spinose-ciliate, upper surface rather harshly glandular-pubescent, lower surface white-felted. Capitula few on long bracteate peduncles corymbosely arranged; involucral bracts linear-lanceolate to lanceolate, tip and margins spiny, minutely glandular on the back. Ray florets yellow. Disc florets yellow. Flowering time July-Mar. Pappus irregularly toothed. Cypselae turbinate, glabrous.
A herb.
