Opium lettuce
Opium lettuce refers to several plants in the lettuce genus (Lactuca) producing a lactucarium that has been used as a sedative and analgesic:
- Lactuca virosa (most commonly)
- Lactuca serriola (most widespread in North America)
This page is an index of articles on plant species (or higher taxonomic groups) with the same common name (vernacular name).
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