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5 unusual facts about Lactuca


Cucullia intermedia

The larvae feed on the leaves of birch, poplar, willow and other trees and shrubs, as well as flowers of Lactuca and other Asteraceae species.

Cultivar

Cultivars generally occur as ornamentals and food crops: Malus 'Granny Smith' and Malus 'Red Delicious' are cultivars of apples propagated by cuttings or grafting, Lactuca 'Red Sails' and Lactuca 'Great Lakes' are lettuce cultivars propagated by seeds.

Lettuce mosaic virus

LMV can also infect other crops such as spinach and peas, as well as ornamentals (especially the Cape Daisy Osteospermum spp) and wild plants (especially the prickly lettuce Lactuca serriola and the oxtongue Helminthia echioides).

Lilla Karlsö

There are also several very rare plants for Sweden such as Lactuca quercina (called 'Karlsösallat' in Swedish), hart's-tongue fern and Petrorhagia prolifera.

Stora Karlsö

There are also several very rare plants for Sweden such as Adonis vernalis, Lactuca quercina (called 'Karlsösallat' in Swedish), hart's-tongue fern and Corydalis gotlandica (the only endemic plant on Gotland).



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