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Lactuca serriola contains lactucarium, which is the milky sap (white latex) that flows through the stem of the plant. It is used as a medicinal herb when air-dried. It is used as a medicinal herb when air-dried.
The standard definition of lactucarium in these codices required its production from Lactuca virosa, but it was recognized that smaller quantities of lactucarium could be produced in a similar way from Lactuca sativa and Lactuca canadensis var. elongata, and even that lettuce-opium obtained from Lactuca serriola or Lactuca quercina was of ...
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.
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 ...
Lettuce contains lactucarium which is used as a sleep supplement. Foods high in the amino acid tryptophan will up your zzz's -- like hummus, thanks to the chickpeas. Also bananas and even cheese ...
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.
Opium lettuce refers to several plants in the lettuce genus producing a lactucarium that has been used as a sedative and analgesic: Lactuca virosa (most commonly) Lactuca serriola (most widespread in North America)
Lettuce is closely related to several Lactuca species from southwest Asia; the closest relationship is to L. serriola, an aggressive weed common in temperate and subtropical zones in much of the world. [9] The Romans referred to lettuce as lactuca (lac meaning "dairy" in Latin), an allusion to the white substance, latex, exuded by cut stems. [10]
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