Perennial rosette or sparingly branched herb. Lvs spathulate or cuneately narrowed to winged petiole and obovate to oblong, with (1)-3-4-(6) pairs of rounded or sharp teeth or lobes (seldom lyrate-pinnatifid), glabrous or sparsely to densely clothed in short-or long-stalked glandular hairs on both surfaces and margins, 12-60-(120) × 3-20 mm. Peduncle often with up to 3 lvs becoming reduced and scale-like above, sometimes naked, sparsely to densely clothed in glandular hairs especially near capitulum, (2.5)-5-12-(15) cm long and 0.6-2 mm diam. at flowering, up to 15-(23) cm long at fruiting. Involucral bracts elliptic-oblong, obtuse to subacute and often fimbriate at apex, usually glandular at least near base, rarely glabrous, 2.5-4 mm long. Rays numerous, usually white, rarely flushed pink or lilac, c. 5-8 mm long. Disc yellow. Achenes obovoid-oblong, compressed or subterete, glandular, 2.5-4 mm long; pappus of few bristles 0.1-0.5 mm long.
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