Castorbean

Ricinus communis

Photo of Castorbean
Photo by Dr. John Meade, weed scientist emeritus
Rutgers Cooperative Extension

Grown for its large leaves and showy flowers and fruit, the plant itself is not poisonous. The seed, however, is very toxic and only requires one seed or a part of one to cause death. The rule here is to plant or destroy.

Additional Images


  1. Rutgers
  2. Executive Dean of Agriculture and Natural Resources
  3. School of Environmental and Biological Sciences