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

Derived forms: mother-in-law plants

Type of: aroid, arum

Part of: Dieffenbachia, genus Dieffenbachia