Senecio pterophorus Dc.

Erect perennial to c. 2 m high, with fine hairs sparse, denser on leaves. Leaves narrowly oblanceolate or narrowly to very narrowly elliptic, to 14 cm long, with l:w ratio c. 4–8, shallowly to deeply serrate, occasionally ± entire or appearing so, with 2–7 projections per side; base attenuate, often decurrent; upper surface sometimes sparsely tuberculate; lower surface appressed-woolly. Capitula several to many per stem; calycular bracteoles 14–20, 2–3 mm long, 0.3–0.5 mm wide; involucre 3.5–5 mm long, 3.5–4 mm diam.; bracts 18–22, glabrous. Florets numerous; ligulate florets 8–13; ligule 4–7 mm long, 4-veined, yellow. Achenes obloid, 1.5–1.8 mm long, pale brown, tapering more marked basally, with papillose hairs forming bands or evenly dispersed. Pappus caducous, 4–5 mm long.

It is a Mediterranean plant. It can grow in arid places. In Argentina it grows from sea level to 1,000 m above sea level.

The leaves are cooked and eaten as a vegetable. Caution: The leaves probably contain alkaloids.