Senecio vagus subsp. vagus

Erect glabrescent perennial herb to 1.3 m high. Leaves mostly pseudopetiolate, or the uppermost sometimes sessile, not auriculate at base, ovate to lanceolate, 4–14(–18) cm long, 1–8(–10) cm wide, the largest usually pinnatifid to bipinnatisect, the lower lobes often cleft to the midrib, occasionally merely coarsely toothed, rarely subentire; surfaces glabrous to sparsely and minutely hispid; margins and midrib often with gland-like papillae. Inflorescence an open corymb of c. 3–15 capitula; capitula radiate; involucre campanulate, 8–15 mm long; bracts 12–15, sparsely to densely covered with black glandular papillae; bracteoles prominent, from c. half as long as to subequal to bracts, similarly papillate along margins. Ray florets 6–9, bright yellow, ligules 8–16 mm long; disc florets c. 25–50, yellow. Cypselas cylindric, 3.5–5 mm long, glabrous to very sparsely hairy, blackish, boldly 6–8-ribbed, the ribs usually somewhat wrinkled; pappus of white barbellate hairs 7–9 mm long, deciduous. Flowers Oct.–Mar.