| Plant |
Height up to 200 cm, tuberous root, simple or branched |
| Rosette leaves |
Obovate or lyrate in outline, pinnate-lobed to pinnatifid, narrowed into a long petiole |
| Stem |
Erect, branched in the upper part, glabrous |
| Stem leaves |
Sessile, ovate to lanceolate in outline, cordate-sagittate at base, non-lobed to pinnatisect with 2-9 pairs of lobes, all thin in texture. Lobes entire or irregularly dentate |
| Inflorescence |
Corymbose panicle |
| Heads |
Numerous, relatively small. Bracts linear lanceolate, 10-11 mm long, with scarious margins and obtuse apex, often with small backwards orientated appendages and anthocyanin spots. Heads of 8-22 florets. Ligules yellow, longer than involucre |
| Achenes |
Obovate, 7-8 mm long, ±1 mm broad, 5-8 ribs, shortly setose at the apex, black. Beak shorter than 1/2 of body. Pappus 5-6 mm long, decidous |
| Reference |
Cichorieae Portal - based on Feráková V. (1977) The Genus Lactuca in Europe. Bratislava |
