1. An evergreen plant with large showy dark green leaves; contains a poison that swells the tongue and throat hence the name
   "The dumb cane was kept out of reach of children and pets";
   - mother-in-law plant, mother-in-law's tongue, Dieffenbachia sequine

Derived forms: dumb canes

Type of: aroid, arum

Part of: Dieffenbachia, genus Dieffenbachia

Encyclopedia: Dumb cane