Senecio prenanthoides

Erect perrenial to 60 cm high; stems coarse-hairy in lower third sometimes with a cottony overlay, with appressed-cottony indumentum or becoming glabrous upwards. Leaves not dissected or occasionally lobate in proximal half with denticulate or dentate margins, both surfaces coarse hairy becoming glabrous or slightly cobwebby upwards; lower surface commonly purple; mid-stem leaves pseudopetiolate, attenuate at base, oblanceolate to narrow-oblanceolate, or linear, 6–17(–22) cm long, to 20 mm wide; upper leaves occasionally auriculate, narrow-lanceolate or linear to narrow-linear. Inflorescences corymbose, typically with 20–60 capitula; capitula non-radiate; involucre narrowly cylindric, (5.0–)6.0–9.0 mm long, glabrous; bracts 8–13; bracteoles present; florets 15–35, bisexual and female. Cypselas lageniform, 2.8–4.5 mm long, orange-brown, or (in bisexual florets) dark brown, papillose-hairy scattered in lines; pappus of slender hairs 6–8 mm long, deciduous. Flowers late spring–autumn.