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dief·fen·bach·ia | \ ˌdē-fən-ˈba-kē-ə 
, ˌdi-, -ˈbä- \
, ˌdi-, -ˈbä- \Definition of dieffenbachia
: any of a genus (Dieffenbachia) of erect poisonous tropical American plants of the arum family having usually variegated leaves and often grown as houseplants
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