Scapisenecio pectinatus var. major

Rhizomatous perennial to c. 40 cm high. Leaves mostly rosetted at base, petiolate, glabrous, lamina ovate, elliptic or obovate in outline, 4–15 cm long, to 25 mm wide, pinnatifid, lyrate, or rarely entire with crenate to serrate, often undulate margins; petiole about as long as or longer than lamina, often purplish. Capitula solitary, terminal on a simple (rarely 1-branched) scape bearing a few sessile reduced leaves or bracts, dilated and hollow just below involucre, usually sparsely pubescent; involucre 8–12 mm long; bracts (13–)16–22; bracteoles present. Ray florets (12–)16–22, bright yellow, ligules 9–13 mm long; disc florets c. 50–90, golden-yellow. Cypselas cylindric, narrowed toward apex, 4.5–7 mm long, ribbed, glabrous; pappus of barbellate hairs 5–7 mm long, persistent. Flowers Dec.–Feb.