Senecio extensus

Erect or ascending perennial, 20–60 cm high, aerial stems renewed annually from a short rhizome; stems sparsely to moderately appressed-cottony, glabrescent. Leaves minutely scabrous, usually sparsely cobwebbed when young, finally glabrous or nearly so, with irregularly denticulate or dentate margins; mid-stem leaves pseudopetiolate, oblanceolate or spathulate, 5–12 cm long, 5–18 mm wide, lobate or less often not dissected, attenuate to cuneate at base; upper leaves commonly auriculate, very narrow-elliptic, lobate to deeply lobate. Inflorescence corymbose, c. 3–12 cm across, with c. 5–40(–90) capitula; capitula non-radiate; involucre cylindric, 5.0–7.0 mm long, sparsely cobwebbed at base or glabrescent; bracts 11–14; bracteoles conspicuous, the longest c. half to two-thirds as long as bracts; florets c. 20–45, bisexual and female. Cypselas bluntly fusiform, 2.0–2.2 mm long, red-brown, lustrous, glabrous; pappus of slender hairs 5–6 mm long, deciduous. Flowers Jan.–Mar.