| dieffenbachia | (n) evergreen perennial herbs of tropical America with lush foliage and poisonous sap; often cultivated as houseplants, Syn. genus Dieffenbachia |
| dumb cane | (n) an evergreen plant with large showy dark green leaves; contains a poison that swells the tongue and throat hence the name, Syn. mother-in-law's tongue, mother-in-law plant, Dieffenbachia sequine |
| Dieffenbachia | n. a genus of evergreen perennial herbs of tropical America with lush foliage and poisonous sap; often cultivated as houseplants. |