Herbs, perennial, 50-100 cm tall. Stems erect, solitary or 2-or 3-fascicled, sulcate, branched in upper part, scabrous. Leaves thick or subleathery, sparsely scabrous or glabrous, margin revolute, scabrous; lower cauline leaves withered by anthesis; middle leaves sessile, oblong to broadly oblong or sometimes oblanceolate, 3-6(-9) × 0.5-2.4 cm, base gradually attenuate, margin remotely serrate to pinnatifid, sometimes entire, apex acute to obtuse; synflorescence leaves linear-lanceolate to linear, margin entire. Capitula 19-90 in corymbiform synflorescences, 2-3.5 cm in diam. Involucres hemispheric, 10-14 mm in diam.; phyllaries 3-seriate, unequal, apically green, glabrous, margin scabrous; outer phyllaries elliptic, 2.3-4.5 mm, apex acute; inner phyllaries oblanceolate-elliptic, 4.7-6.5(-7.6) × 1.8-3.2 mm, obtuse, margin scarious, erose-fimbriate, purplish. Ray florets 13-22, bluish, tube 1.2-1.4 mm, lamina 1.5-2 × 0.2-0.3 cm; disk florets yellow, 4-5.8 mm, tube 0.7-1.3 mm, upper tube and limb hairy, limb campanulate, lobes lanceolate, 0.5-1.1(-1.5) mm, glabrous. Achenes brownish, obovoid, compressed or sometimes trigonous, 3(-4) × ca. 2 mm, sparsely strigillose, pale 2-or 3-ribbed. Pappus straw-colored or brownish, 0.4-1 mm. Fl. and fr. Jun-Oct.
Can be grown by seedlings. Seeds needs stratification.
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