Annuals to c. 0.4 m high, glaucous, glabrous. Leaves to 10 cm long, with l:w ratio c. 15–30, undivided; base attenuate, without auricles; margin entire. Capitula few to several per stem, ecalyculate; involucre 7–15 mm long, c. 3–4 mm diam., with secondary capitula often much smaller; bracts c. 13, mostly fused except for apices, finally splitting into 3 or 4 sections. Florets 20–35; ligulate florets 5 (–7); ligule 8–15 mm long, 4–6-veined; disc florets with corolla limb much shorter than tube. Achenes slightly and very narrowly bottle-shaped, 5–10 mm long, ribbed, with papillose hairs in broad bands; l:w ratio of hairs c. 6. Pappus persistent, 5–12 mm long; bristles nearly smooth proximally.
Grows in various soils in river beds, plains, dunes and saline swamp margins, in herbfield, shrubland and woodland.