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 christi, palma christ, Ricinus communis

Derived forms: castor bean plants

Type of: bush, shrub

Part of: genus Ricinus, Ricinus

Encyclopedia: Castor bean plant

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