Lactuca tetrantha, the Troödos lettuce, is an erect, lactiferous, perennial herb, 10–30 cm high. Leaves hairless, deeply dissected, the basal in rosette, oblong, 3-12 x 0.8-2.5 cm, often purplish-green, the upper alternate, smaller. Flowers in capitula, arranged in corymbs, florets 4, ligulate, yellow, reddish at the lower surface, flowers July–October, fruit a pappose achene.The Endemic Plants of Cyprus, Texts: Takis Ch. Tsintides, Photographs: Laizos Kourtellarides, Cyprus Association of Professional Foresters, Bank of Cyprus Group, Nicosia 1998,
Habitat Rocky hillsides and rock crevices on serpentinised rocks at 1500–1900 m altitude.
Distribution Endemic to Cyprus where it is restricted to the higher parts of the Troödos Forest, mostly around Khionistra where it is not uncommon.
References
Cyprus Flora in Colour the Endemics, V. Pantelas, T. Papachristophorou, P. Christodoulou, July 1993,
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