Senecio adnatus Dc.

Glabrous somewhat glaucous perennial herb up to c. 1 m tall, rootstock thick, woody, running horizontally, branching, not woolly at the crown, flowering stem solitary, simple below the inflorescence branches, leafy throughout. Leaves up to 15 x 2 cm, becoming smaller upwards and passing into inflorescence bracts, mostly lanceolate to oblong-lanceolate, apex usually acute to acuminate, base of the lower ones narrowed, half-clasping, of the upper broad, often subcordate, stem-clasping, shortly decurrent, margins sometimes slightly revolute, entire, very remotely and obscurely callose-denticulate or minutely and distinctly callose-toothed, somewhat fleshy when fresh, drying thick and leathery, side nerves ascending, sometimes indistinct. Heads radiate, very rarely discoid, many in a flat-topped corymbose panicle. Involucre narrowly cylindric, bracts 4-5, (7-)8-10 mm long, shorter than the disc, flat, broad, leathery, calyculus bracts 0 or 1, very small, often with 1 or 2 small bracts descending on the peduncles. Rays 1-2-3), very rarely wanting, long and spreading, they and the disc bright yellow. Achenes c. 5 mm long, ribbed, glabrous.