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DescriptionErect herb, 30-70 cm. Leaves up to 11 × 4 cm, but often smaller, varying from simple, ovate, elliptic or obovate to (more commonly) lyrate-pinnatifid, sometimes auriculate; margin irregularly serrate or dentate. Capitula 10-12 × 5-8 mm, 1.5-2 times as long as broad, purple, blue, magenta, usually solitary; inner phyllaries 9-11 × 1 mm. Ovaries and achenes hairy.