wild lettuce

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Related to Lactuca virosa: Wild lettuce

wild lettuce

n
(Plants) any of several uncultivated lettuce plants, such as Lactuca serriola (or L. scariola) of Eurasia and L. canadensis (horseweed) of North America, which grow as weeds and have yellow or blue flowers, milky juice in the stem, and prickly leaves: family Asteraceae (composites)
References in periodicals archive ?
Estas especies aparecen acompanadas de otros elementos propios de Artemisetea vulgaris, como Verbascum sinuatum, Marrubium vulgare, Lactuca virosa, etc.
The submediterranean species Lactuca virosa occurs throughout
II Other taxa: Quercus rotundifoliae + in 4 and 6; Armeria beirana, Crataegus monogyna and Lactuca virosa 1, Lepidium heterophyllum and Rumex induratus + in 1; Cistus inflatus and Rumex acetosa 1, Arrhenatherum elatius subsp.