Annuals, to 25 cm (herbage not sweetly scented). Stems usually prostrate or decumbent, rarely erect, branched proximally, glabrous or hairy at nodes and distally. Leaves linear to oblanceolate, 10–90 × 2–12 mm, (fleshy) margins entire or lobed, faces glabrous. Involucres hemispheric, 4–7 mm. Phyllaries 6–14, lanceolate to ovate, hairy (especially at margins and midribs). Receptacles conic, muricate, glabrous. Ray florets 7–12; (corollas light to golden yellow) laminae oblong, 1–3 mm. Anther appendages ± oblong, obtuse (style apices ± deltate, glabrous or with apical tufts of hairs and subapical fringes of shorter hairs). Cypselae gray, linear to narrowly clavate, (2–)2.5–3 mm, ± hairy; pappi 0, or of 4–6(–12) brown, lanceolate or subulate, aristate scales plus 4–5+ shorter, laciniate scales. 2n = 8.
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