Senecio magnificus F.Muell.

Shrub to c. 1.3 m high, glaucous, glabrous. Leaves to 11 cm long, with l:w ratio 2–4, undivided or coarsely dentate, with 3–6 coarse teeth per side, concentrated distally; base without auricles, becoming cordate upwards; margin entire or with scattered teeth. Capitula several to numerous per branch; calycular bracteoles (0–) 1–3, 1–6 mm long; involucre campanulate, 6–11 mm long, c. 4–7 mm diam.; bracts 12–18. Florets mostly numerous; ligulate florets 4–8; ligule 7–20 mm long, 4–13-veined; disc florets with corolla limb longer than tube. Achenes obloid-ellipsoid, 3–7 mm long, weakly ribbed, with papillose hairs obscuring much of surface; l:w ratio of hairs c. 5. Pappus persistent, 6–12 mm long; bristles scabridulous proximally, with length of projections ± equal to diameter of bristle, barbellate distally.

Grows in sand and sandy loam soils, on plains or sometimes in rocky sites, over limestone and dolerite, often associated with watercourses, in spinifex grassland, shrubland and low open woodland.