Annuals, 10–40 cm. Stems ± solid. Leaves: proximal blades entire or irregularly lobed, faces ± hirsute and stipitate-glandular. Heads in corymbiform or paniculiform arrays. Bracts subtending heads usually overlapping proximal 0–1/2 of 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 (6–)8(–9); laminae deep yellow, 2–4 mm. Disc florets (10–)15–18(–21), all or mostly functionally staminate; anthers yellow or brownish. Pappi usually of 8–13, subulate to quadrate, fringed to deeply erose scales 0.1–0.8 mm, sometimes fimbriate crowns. 2n = 24.
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