Annuals, 10–80(–150) cm. Stems ± solid. Leaves: (basal rosettes present at flowering in South Coast Ranges) proximal blades pinnatifid to toothed, faces hispid-hirsute and sometimes stipitate-glandular. Heads in paniculiform arrays. Bracts subtending heads usually overlapping proximal 0–1/2 of each involucre. Phyllaries ± evenly stipitate-glandular, including margins and apices, often with some non-glandular, non-pustule-based hairs as well. Paleae in 1 series. Ray florets (7–)8(–10); laminae deep yellow, 3–5(–6) mm. Disc florets 8–14(–15), all or mostly functionally staminate; anthers reddish to dark purple. Pappi of 6–12 oblong, fimbriate scales 1–2 mm. 2n = 24.
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