Annuals or biennials, 25–100 cm. Stems and branches coarsely antrorse-or erect-hairy, often scabrous, usually stipitate-glandular distally, sometimes proximally. Distal leaf blades sessile, linear-lanceolate to narrowly elliptic or linear, smallest 3–4 × 1–1.5 mm. Involucres broadly turbinate, 4–6 mm. Phyllaries linear-lanceolate to linear, equal or slightly unequal, 2.5–5 × 0.3–0.6 mm, bases indurate, margins scarious. Receptacles convex, 1.8–2.5 mm diam. Ray florets 10–35; laminae 5–8 × 0.7–1 mm. Disc florets 20–55; corollas 3–4 mm. Ray cypselae 1.2–1.7 mm, sparsely appressed-hairy. Disc cypselae 1.5–2.5 mm, sparsely appressed-hairy; pappi 20–35, 2.5–4 mm. 2n = 8.
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