Lactuca virosa

Wild lettuce
Wild lettuce (Lactuca virosa)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Lactuca
Species:
L. virosa
Binomial name
Lactuca virosa
L. 1753 not Thunb. 1800 nor Luce nor Hablitz
Synonyms
Synonymy
  • Lactuca ambigua Schrad.
  • Lactuca flavida Jord.
  • Lactuca lactucarii Lamotte
  • Lactuca patersonii Menezes
  • Lactuca romana Garsault
  • Lactuca schimperi Jord.
  • Lactuca serratifolia Sennen
  • Lactuca sinuata Forssk.
  • Wiestia virosa (L.) Sch.Bip.

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