Herbs 0.5-1 m tall, biennial. Stem erect, simple or branched from middle third, glabrous. Basal and lower cauline leaves lanceolate to linear, 15-40 × 0.4-1 cm, margin flat. Capitula solitary to few; peduncle with dark hairs, ± inflated. Phyllaries 7 or 8, ca. 1/3 longer than florets and equaling achenes with pappus. Ligules violet. Outer achenes 1.8-2.4 cm; body smooth or subtuberculate on 5 fairly well-differentiated ribs; beak 0.6-1.4 cm, slender, ± inflated; pappus disk ± tomentulose. Pappus dirty white, 1.5-2 cm. Fl. and fr. Jun-Aug. 2n = 12.
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