Annuals, 20–80 cm. Stems ± solid. Leaves: proximal blades toothed to entire, faces hispid-hirsute and stipitate-glandular. Heads in panicu-liform arrays. Bracts subtending heads usually not overlapping each involucre. Phyllaries ± evenly stipitate-glandular, including margins and apices, with non-glandular, non-pustule-based hairs as well. Paleae in 1 series. Ray florets (4–)8(–10); laminae deep yellow, 5–7 mm. Disc florets 17–25, all or mostly functionally staminate; anthers yellow or brownish. Pappi usually 0, rarely of 1–5 linear to setiform scales 0.1–0.6 mm. 2n = 24.
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