Shrub to 3 m, without lignotuber. Stems appressed-tomentose or-pubescent. Leaves: petiole 5-30 mm long; lamina linear, pinnatifid or serrate, 11-30 cm long, 12-18 mm wide, pungently acute; margins recurved to shortly revolute; teeth 6-21 each side, curved-triangular, almost at 90°, pungent. Inflorescence terminal or on short lateral branchlet, closely subtended by leaves; involucral bracts lanceolate, straight or recurved, 14-30 mm long, acute or acuminate, hirsute outside and sometimes ±viscid, glabrous inside; flowers 150-250 per head. Perianth 23-40 mm long, yellow, curled-tomentose above base, pubescent to hirsute distally; limb 2.5-5.5 mm long, hairy with coarse hairs mainly in lower half, often glabrescent. Pistil incurved, 28-48 mm long, yellow, glabrous except long hairs on ovary; pollen presenter cylindrical, narrowing slightly upwards, 1.2-3.5 mm long, obscurely ribbed. Follicles obovate, 8-12 mm long, sparsely hairy.
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