Definition of "kratom" []

• A Southeast Asian tree, Mitragyna speciosa, harvested for its medicinal leaves (noun)
• The dried leaves of this tree, chewed as a psychoactive drug (noun)

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• "At a time when authorities are cracking down on illegal sale of steroids and prescription drugs online, substances such as kratom and Mexican prickly poppy, which pack a psychedelic and narcotic-like punch, are flourishing on the Internet."
• "Salvia is sold in extracts at concentrations of up to 60X and kratom at concentrations of up to 30X."
• "At Psychoactive Herbs, for example, you can buy kratom, which the site describes as an "opium substitute" that produces feelings of euphoria."