Annuals, 5–20(–35+) cm. Stems erect to ascending (simple or branched, not forming mats), glabrous or puberulent. Leaves: proximal petiolate, ± ovate to elliptic, 1–4 cm, usually 2-pinnately lobed; distal sessile, ± elliptic, 1–2 cm, 0–1-pinnately lobed. Involucres 3–4 × 6–10 mm. Phyllaries: margins and apices brownish, abaxial faces glabrous or glabrate. Paleae 2–3 mm, margins brownish. Ray florets 12–15+; laminae 8–15 mm. Disc corollas 2.5–3 mm. Cypselae 1–1.3 mm. 2n = 18.
