Annuals, to 28 cm. Stems erect, branched distally, glabrous or ± hairy. Leaves linear, 10–80 × 1–2(–3+) mm, margins entire, faces glabrous or sparsely hairy. Involucres hemispheric, 5–7 mm. Phyllaries 8–14, ± deltate (distinct tips ± deltate), glabrous but for apices. Receptacles ± conic, warty, glabrous or sparsely hairy. Ray florets 6–10; (corollas lemon-or golden yellow) laminae narrowly oblong, 6–7 mm. Anther appendages deltate or broadly ovate. Cypselae black, strongly flattened, obovoid, 2–3 mm, margins ciliate (hairs white or stramineous, stiff, blunt, curved), faces glabrous or scabrous; pappi 0. 2n = 14.
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