Synonyms for Castor Bean Plant (same or very similar meaning)
WordNet sense 1 (large shrub of tropical Africa and Asia having large palmate leaves and spiny capsules containing seeds that are the source of castor oil and ricin; widely naturalized throughout the tropics):
castor-oil plant, palma christ, palma christi, Ricinus communisFrom the ODE community, based on WordNetadd/edit