| Stem |
Erect, glaucous, prickly, often violet-tinged |
| Rosette leaves |
Oblong-spathulate in outline, undivided to pinnate lobed to pinnatisect, narrowed into a long petiole |
| Stem leaves |
Upper leaves runcinate with obtuse apex and sagittate base, all spinulose on the midrib and lateral nerves below |
| Inflorescence |
Broad pyramidal panicle with ascending branches |
| Heads |
Many (±25) florets. Involucral bracts ovate-lanceolate. Ligules yellow |
| Achenes |
Not more than 7 mm long, 5-6 ribs, black. Beak white, filiform, as long as or shorter than body. Pappus white |
| Reference |
description of Lactuca livida in Feráková V. (1977) The Genus Lactuca in Europe. Bratislava |