Biennials, 30-90 cm. Leaves: basal 2-pinnate, 6-15 cm, lobes 3-15(-20+) × 1-6 mm; cauline 10-50. Heads 15-100 per stem. Pedun-cles 1-6 cm. Phyllaries yellowish, 4-8 × 2-4 mm. Ray florets 0. Disc florets 20-40; corollas yellow, 2.5-3.5 mm, tubes 1.5-2 mm, throats campanulate, 0.8-1.5 mm, lengths 1-1.5 times lobes. Cypselae 3-4.5 mm, ± villous; pappi of 16-22 scales 0.5-1.5 mm.