Article

Lactuca aurea (Vis. & Pančić) Stebbins

Nomenclature
GRIN Taxonomy Lactuca aurea (Vis. & Pančić) Stebbins
Cichorieae Portal Lactuca aurea (Vis. & Pančić) Stebbins
Euro+Med Plantbase Lactuca aurea (Vis. & Pančić) Stebbins


Native distribution
Europe Bosnia & Herzegovina; Bulgaria; Croatia; Greece; Macedonia; Montenegro; Romania; Serbia; Turkey


Key features
Lettuce gene pool Tertiary relative
Chromosome number 2n = 16
Habitat Stony slopes; calcareous rocks
Life history Perennial
Flower colour Yellow
EURISCO (Dec. 2017) 0 accessions


Morphological description
Plant Height 40-80 cm
Stem Erect, terete, glabrous above, densely glandular below, usually unbranched
Stem leaves Densely pilose. Lower leaves pinnatisect to pinnatifid or runcinate, irregularly denticulate, amplexicaul or petiole-like attenuate. Terminal lobe triangular, much larger than lateral lobes. Lateral lobes 2-4, oblong to obovate. Middle and upper leaves narrowly ovate, entire, ciliate, subentire or denticulate, semi-amplexicaul or amplexicaul
Inflorescence Paniculiform
Heads 8-18 flowers. Involucral bracts triangular-ovate, 12-15 mm long, glabrous. Corolla ligulate, yellow
Achenes Cylindrical in outline, 7-8 mm long, brown, with 10 ribs, with a filiform beak of 1.0-1.5 mm long, forth as long to about as long as the corpus. Pappus white, caducous
Reference Cichorieae Portal - based on Feráková V. (1976) Lactuca L. In: Tutin G. et al. (eds) Flora Europaea 4. Cambridge; Feráková V. (1977) The Genus Lactuca in Europe. Bratislava