Claim: Ricin comes from the Amazon.
Evidence: Ricin -LRB- -LSB- ˈraɪsɪn -RSB- -RRB- is a highly toxic , naturally occurring lectin -LRB- a carbohydrate-binding protein -RRB- produced in the seeds of the castor oil plant , Ricinus communis.
Castor is indigenous to the southeastern Mediterranean Basin , Eastern Africa , and India , but is widespread throughout tropical regions -LRB- and widely grown elsewhere as an ornamental plant -RRB-.