Annuals to c. 20 cm high. Stems with scattered long hairs. Leaves to c. 6 cm long, entire and narrowly linear, glabrous except for hairs on sheath. Capitulum 4–12 mm diam.; peduncle 2–10 cm long, 0.3–0.5 mm wide (pressed specimens), not obconical distally at maturity, hirsute at anthesis with hairs antrorse to almost spreading; involucral bracts c. 10; outer bracts broadly ovate, 2–3 mm long, rounded apically. Marginal florets numerous, multi-seriate, attached to raised tubercles. Disc florets several, ?functionally male, sessile; corolla c. 1 mm long; limb pale yellow. Achenes of marginal florets c. 1.5 mm long; faces ±orbicular, glabrous; wings papery, much broader than body.