dumbcane

noun

1. (uncountable, usually)A tropical plant of the genus Dieffenbachia.

   “I was stunned to realize just how many of these potentially dangerous plants were in my own home and garden, including aloe, elephant’s ear, jade, peace lily (Spathiphyllum), philodendron and dumbcane (Dieffenbacchia), as well as foxglove (Digitalis purpurea), hellebore, vinca, rhododendron and chrysanthemum.”