Senecio linearifolius var. arachnoideus I.Thomps.

Plants not glaucous. New leaves densely woolly. Leaves linear to lanceolate, 6–10 cm long, 8–15 mm wide, mostly with an attenuate and petiolate base, usually cottony underneath, serrate or sinuate on the margin. Heads numerous, in a terminal corymb. Pappus 6–9 mm long. Shrub up to 1 m high. Disjunct populations south from Bulli. Open forests and coastal scrub. Fl. most of the year