Hymenopappus artemisiifolius

Biennials, 40-100 cm. Leaves: basal simple (5-20+ mm wide) or 1-pinnate, 8-20 cm, lobes 5-20+ × 1-5(-20+) mm; cauline 2-16. Heads 20-60 per stem. Peduncles 1-6 cm. Phyllaries whitish (sometimes red-tinged) or yellowish, 5-12 × 2-7 mm. Ray florets 0. Disc florets 40-60; corollas white to purplish or yellowish to reddish, 3-5 mm, tubes 2-3 mm, throats funnelform, 1-1.5 mm, lengths 1-1.5 times lobes. Cypselae 3.5-5 mm, hirtellous or villous; pappi of 16-18 scales 0.3-1(-1.5) or 1.5-2 mm.