Lactuca virosa is a plant in the Lactuca (lettuce) genus, ingested often for its mild psychotropic (specifically hypnotic or sedative) effects which are often described as being similar to that of opium. It is related to common lettuce (L. sativa), and is often called Wild Lettuce, Bitter lettuce, Laitue vireuse, Opium Lettuce, Poisonous Lettuce, Tall Lettuce or Rakutu-Karyumu-So. It can be found locally in the south east and east of England. In the rest of Great Britain it is very rare, and in Ireland it is absent. Lactuca virosa
Tagetes lucida - MHNT Tagetes lucida Cav. is a perennial plant native to Mexico and Central America. It is used as a medicinal plant and as a culinary herb. The leaves have a tarragon-like flavor, with hints of anise, and it has entered the nursery trade in North America as a tarragon substitute. Tagetes lucida
Artemisia vulgaris It is a tall herbaceous perennial plant growing 1–2 m (rarely 2.5 m) tall, with a woody root. The leaves are 5–20 cm long, dark green, pinnate, with dense white tomentose hairs on the underside. The erect stem often has a red-purplish tinge. The rather small flowers (5 mm long) are radially symmetrical with many yellow or dark red petals. The narrow and numerous capitula (flower heads) spread out in racemose panicles. It flowers from July to September.
Artemisia absinthium Description It grows naturally on uncultivated, arid ground, on rocky slopes, and at the edge of footpaths and fields. Toxicity
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Illustration of a tansy Tansy (Tanacetum vulgare) is a perennial, herbaceous flowering plant of the aster family, native to temperate Europe and Asia. It has been introduced to other parts of the world and in some areas has become invasive. Tansy
It is used in traditional medicine and ritual in its native range. Uses In Mexico the plant is used as an herbal remedy for dysentery and fever. The Zoque Popoluca people call the plant tam huñi ("bitter gum") and use it to treat diarrhea and asthma, and the Mixe people know it as poop taam ujts ("white bitter herb") and use it for stomachache and fever.