Ricinus communis :
- n 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
News & Articles
- A History of Ricin
Staff photo by Neil Abeles Castor, or Ricinus communis, is an easy-to-grow plant.
June 29, 2013 - Texarkana Gazette