Annuals, 5–35 cm; taprooted. Stems 0. Leaves basal; petiolate. blades linear to narrowly oblanceolate, 2–20 cm, margins entire, dentate, or pinnately lobed, apices acuminate, faces glabrous or lightly scurfy-puberulent. Peduncles erect or curved-ascending. ebracteate. Involucres globose to ovoid in fruit, 4–8(–10) mm. Phyllaries: apices acute to acuminate, faces glabrous; outer deltate; inner lanceolate (midveins often purple, thickened). Florets 5–100; corollas yellow or orange, equaling or surpassing phyllaries by 1–2 mm. Cypselae columnar to obconic, 1.5–3 mm; pappi of (4–)5 white or brownish, ovate to deltate, aristate scales 0.2–2.5 mm (straight or slightly arcuate, scarcely involute. glabrous, midveins linear, widths less than 1/5 bodies, thicker at base), aristae (brown, fine) barbellulate. 2n = 18.
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