Annuals, 5–50 cm; taprooted. Stems 0. Leaves basal; petiolate; blades linear to narrowly elliptic or oblanceolate, 3–22 cm, margins entire, dentate, or pinnately lobed, apices acute or attenuate, faces glabrous or lightly scurfy-puberulent. Peduncles erect or curved-ascending. ebracteate. Involucres ovoid to fusiform in fruit, 5–20 mm. Phyllaries: apices acute to acuminate, abaxial faces glabrous; outer deltate; inner lanceolate (midveins often purple, thickened). Florets 5–120; corollas yellow or white, equaling or surpassing phyllaries by 1–3 mm. Cypselae columnar, 3–5.5 mm; pappi of 5, white or light brownish, lanceolate or ovate to deltate, aristate scales 1–4.5 mm (straight to slightly arcuate, plane or slightly involute, glabrous, midveins brown, broadened at bases, widths less than 1/5 bodies, linear distally), aristae (straw-colored or brown) barbellulate proximally, barbellate distally. 2n = 36.
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