Perennial rhizomatous herbs, 20-60 cm high. Stem simple, glabrous. Basal leaves oblong or oblong lanceolate, gradually narrowed into long petiole 10-25 (including petiole) x 1.5-3.0 cm, acute to acuminate, finely toothed or ± entire, middle leaves shortly petiolate somewhat pubescent beneath, upper leaves ± sessile, lanceolate or linear, indistinctly toothed or entire. Capitula arranged in lax corymbs or paniculate racemes, (1-) 5-∞. Involucre semiglobose, c. 10 mm long, 15 mm in diameter, outer phyllaries c. 10, linear, acuminate, usually weakly floccose, inner phyllaries lanceolate-linear, subglabrous, margins scarious, acute, usually with black spot at the apex. Ray florets 10-12, yellow, 15-25 x 3-5 mm. Cypsela terete, 2.5-4.5 mm long, pappus white, considerably longer than involucre.