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| Botanical names: Mitragyna speciosa, Nauclea luzoniensis, Nauclea speciosa, Stephegyne speciosa | Rubiaceae | |
| Common names English: kratom, ketum, kratumum Spanish: kratom French: biak, kratom German: Kratombaum | ||
| Active constituents: mitragynine, mitraphylline, 7-hydroxymitragynine, mitragynine pseudoindoxyl, rhynchophylline | ||
