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  2. Lactuca virosa - Wikipedia

    en.wikipedia.org/wiki/Lactuca_virosa

    Lactuca virosa. Lactuca virosa is a plant in the Lactuca (lettuce) genus, often ingested for its mild analgesic and sedative effects. [2] It is related to common lettuce (), and is often called wild lettuce, bitter lettuce, laitue vireuse, opium lettuce, poisonous lettuce, tall lettuce, great lettuce [3] or rakutu-karyumu-so.

  3. Frank Morton (plant breeder) - Wikipedia

    en.wikipedia.org/wiki/Frank_Morton_(plant_breeder)

    Morton has bred at least 99 types of lettuce, [5] and his company, Wild Garden Seed, offered seed for 114 lettuce varieties in 2016. [6]On August 10, 2015, 'Outredgeous', a red romaine lettuce bred by Morton in the 1990s, [7] became the first plant variety to be planted, harvested and eaten entirely in space, as a part of Expedition 44 to the International Space Station.

  4. Lactuca serriola - Wikipedia

    en.wikipedia.org/wiki/Lactuca_serriola

    Lactuca serriola is the wild progenitor of cultivated lettuce (Lactuca sativa) and can be affected by lettuce downy mildew, one of the most serious diseases of lettuce. [12] L. serriola has shown resistance to the plant pathogen Bremia lactucae, the cause of the disease. [12]

  5. Lactucarium - Wikipedia

    en.wikipedia.org/wiki/Lactucarium

    It is known as lettuce opium because of its sedative and analgesic properties. It has also been reported to promote a mild sensation of euphoria . [ 1 ] [ 2 ] Because it is a latex , lactucarium physically resembles opium , in that it is excreted as a white fluid and can be reduced to a thick smokable solid.

  6. Wild lettuce - Wikipedia

    en.wikipedia.org/wiki/Wild_Lettuce

    Wild lettuce is a common name for several lactucarium-containing plants related to lettuce (Lactuca sativa). The name most often refers to Lactuca virosa (Europe, Asia, introduced to North America), though it may also refer to: Lactuca canadensis (North America) Lactuca ludoviciana (NW America) Lactuca serriola (Southern Europe) Lactuca ...

  7. Lactuca - Wikipedia

    en.wikipedia.org/wiki/Lactuca

    Lactuca, commonly known as lettuce, is a genus of flowering plants in the family Asteraceae. The genus includes at least 50 species, distributed worldwide, but mainly in temperate Eurasia . Its best-known representative is the garden lettuce ( Lactuca sativa ), with its many varieties.