Ricin comes from the seeds of the castor oil plant.
Ricin -LRB- -LSB- rasn -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 .	toxic	toxic	lectin	lectin	protein	protein	castor oil plant	castor oil plant
