Lactuca scarioloides Boiss.

Nomenclature
The Plant List Lactuca scarioloides Boiss.
GRIN Taxonomy Lactuca scarioloides Boiss.
Cichorieae Portal Lactuca scarioloides Boiss.
Tropicos Lactuca scarioloides Boiss.
Euro+Med Plantbase Lactuca scarioloides Boiss.


Native distribution
Asia Afghanistan; Iran; Iraq; Turkey


Key features
Lettuce gene pool Primary relative
Chromosome number 2n = 18
Habitat Woodlands on high plateaus
Life history Biennial
Flower colour Yellow
EURISCO (Dec. 2017) 0 accessions


Morphological description
Plant Height 60-120 cm
Stem Erect, white, smooth, glabrous
Leaves Oblanceolate, unlobed or runcinate-pinnatisect with 4-6 lateral lobes, glaucous, glabrous, smooth or shortly spinose-setose on midrib beneath, sinuate-denticulate. Median stem leaves 8-16 x 3.5-4.5 cm, auriculate, auricles rounded
Inflorescence Rather divaricately branched, corymbiform, many heads, ± glabrous
Heads Except terminal heads: shortly pedunculate or almost sessile, solitary or in small clusters. Involucre 9.5-14 mm, rather longer in fruit than in flower. Phyllaries 12-14, 3-seriate, glabrous. Flowers yellow, 1.8-2.0 cm, hairy about mouth
Achenes 9.5 mm, pale brown, with ± concolorous slender 4.0-4.7 mm beak. Pappus white, 5.5-7.0 mm
Reference Cichorieae Portal - based on Jeffrey C. (1975) Lactuca L. In: Davis P.H. et al. (eds) Flora of Turkey 5. Edinburgh