Annuals, 4–75 cm. Stems ± solid. Leaves: proximal blades pinnatifid to toothed, faces hispid-hirsute and sometimes sessile-or short-stipitate-glandular, rarely gla-brous. Heads in open, paniculiform arrays. Bracts subtending heads usually overlapping proximal 0–1/2 of each involucre. Phyllaries ± evenly sessile-or stipitate-glandular, including margins and apices, and usually with pustule-based hairs, at least on midribs. Paleae in 1 series. Ray florets 5; laminae deep yellow, 3–5 mm. Disc florets 6, all or mostly functionally staminate; anthers reddish to dark purple. Pappi of (5–)6–8(–11), linear or oblong, fimbriate to laciniate scales 0.8–1 mm. 2n = 22.
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