Plants with
thick, fleshy roots; branched stout stems, 6-12 dm tall; basal leaves
lanceolate, or spatulate, coarsely dentate or lobed, peitoled, 8-15 cm long;
cauline leaves lanceolate, dentate, eared and clasping at the base; heads
numerous in clusters, sessile or short-peduncled; principle bracts 8-10, outer 4
or 5 short and spreading; receptacle naked; flowers bright blue; pappus
crown-like of short blunt scales in 2 or more series; fields, native Europe.