Senecio microbasis

Erect perennial to 60 cm high; stems ± glabrous or sparsely appressed-cottony basally. Leaves not dissected, ± entire or with remotely denticulate or dentate margins; lower surface purple; mid-stem leaves pseudopetiolate, attenuate at base, narrow-oblanceolate to linear, 4–10 cm long, to 15 mm wide, both surfaces scabridulous; upper leaves narrow-linear, sometimes auriculate, sparsely coarse-hairy or glabrous. Inflorescences corymbose, typically with 20–60 capitula; capitula non-radiate; involucre narrowly cylindric, 5.0–7.0 mm long, glabrous; bracts 7–13; bracteoles present; florets 12–25, bisexual and female. Cypselas narrow oblong-ellipsoid or slightly lageniform, 2.0–2.8 mm long, red-brown or dark brown, papillose-hairy in lines; pappus of slender hairs 4.5–6 mm long, deciduous.   Flowers spring–summer