Annuals, 4–16 cm; taprooted. Stems 1–20+, ± scapiform, erect, eglandular or lightly glandular-villous . Leaves basal (rosettes) and proximally cauline (on scarcely elongated branches close to ground); petiolate (petioles sometimes ciliate-glandular); blades linear, oblanceolate, or obovate, 1–7 cm, margins entire or sparingly lobed, lobes linear or triangular to rounded. apices acute or obtuse, faces eglandular. Heads borne singly. Peduncles from basal rosettes. Involucres 2.5–6.5 mm. Phyllaries 4–7, erect in fruit, lanceolate in flower, becoming ovate-lanceolate in fruit, midveins and sometimes secondary veins becoming prominent in fruit, curving inward at bases to form keels, apices acute . Florets 5–25; corollas yellow, 5–9 mm. Cypselae reddish brown, broadly obconic, 1.2–1.8 mm (apical areas broader than basal areoles). 10–15-ribbed; pappi of 5, hyaline, rounded outer scales 0.4–0.6 mm plus usually 5, sometimes 0, scabrous inner bristles 1.2–2 mm. 2. = 12.
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