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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 ...
Lactuca saligna is a species of wild lettuce known by the common name willowleaf lettuce, and least lettuce. It is native to Eurasia but it grows in many other places as an introduced species, including much of North America. [2] [3] [4] It can be found rarely in south-east England on dry banks near the sea and estuaries.
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.
Lactuca floridana, commonly known as woodland lettuce, [3] Florida lettuce, [4] or false lettuce [5] is a North American species of wild lettuce. It is native across much of central Canada and the eastern and central United States. Lactuca floridana is an annual or biennial plant in the Cichorieae (dandelion) tribe within the Asteraceae (daisy ...
Head lettuce is exactly what it sounds like: it comes in a round shape, with tightly packed leaves. Butterhead lettuce also comes shaped like a ball, but its leaves are looser and less crispy.
Lactuca biennis is a North American species of wild lettuce known by the common names tall blue lettuce and blue wood lettuce. It is widespread across much of the United States and Canada from Alaska and Yukon south as far as California , New Mexico , and Georgia .
Lactuca quercina is a species of wild lettuce native to Europe and Asia. It is an annual or biennial herb in the tribe Cichorieae within the family Asteraceae growing from a taproot to maximum heights of 50–200 cm (19.5–78.5 in) or more.