Erect, herbaceous, branched annual, 0.4–1.0 m high; stems slender, striate, with appressed hairs with multi-cellular bases. Leaves subsessile, ovate to lanceolate, (30–) 50–100 mm long, (4–) 15–25 mm wide, regularly or irregularly coarsely toothed, acute; both surfaces sparsely to moderate densely strigose; hairs 0.3–0.5 mm long, appressed, white, 2-celled with basal cell swollen, seated on a cluster or rosette of tiny epidermal cells, and apical cell narrower, tapering. Capitula several in an open dichasial cluster, on slender peduncles 4–50 mm long. Involucre campanulate, 5–6 mm long, 2–5 mm wide. Disc florets 9–15; corolla ?yellow. Achenes obovate, 2–3 mm long, 2 mm wide, dark grey; abaxial surface convex with prominent keel, glabrous or very sparsely pilose with short white hairs apically; adaxial surface concave, with a prominent keel, glabrous, not winged. Pappus a short cup with regularly placed inward pointing hairs; awns absent.
Growing in sandy soils, on outcrops or gravel beds, on sandstone or basalt, often associated with creeks, rivers and bays.
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