Rivea corymbosa


Riv·e·a co·rym·bo·sa

(riv'ē-ă kō'rim-bō'să), Mexican bindweed, a plant of the family Convolvulaceae, the seeds of which were used in ceremonies by the Aztecs and contain lysergic acid amide, isolysergic acid, lysergic acid monoethylamide, chanoclavine, and other indole alkaloids; several hundred seeds must be ingested to produce hallucinatory and euphoric effects.