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Plants 10–60 cm. Leaf blades 2–12 × 1–4 cm, margins denticulate to coarsely and regularly dentate or repand-dentate with callous-tipped teeth. Involucres 5–8 mm. Phyllaries: apices acute, abaxial faces ± glandular. Ray or pistillate corollas: laminae ca. 0.5 mm or none. Cypselae 1.5–2 mm; pappi 3–4 mm. 2n = 20.
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