noun
- 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.
- synonyms: castor bean plant, palma christi, palma christ, Ricinus communis
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| APA | WordNet. (2010). castor-oil plant. Retrieved September 26, 2026, from http://smartdefine.org/castor-oil_plant/definitions/1241211 |
| Chicago | WordNet. 2010. "castor-oil plant" http://smartdefine.org/castor-oil_plant/definitions/1241211 (accessed September 26, 2026). |
| Harvard | WordNet 2010, castor-oil plant, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/castor-oil_plant/definitions/1241211>. |
| MLA | WordNet. "castor-oil plant" 23 October 2010. Web. 26 September 2026. <http://smartdefine.org/castor-oil_plant/definitions/1241211> |