Plants of the genus Dieffenbachia, very popular as indoor ornamental plants, are known for their toxic as well as therapeutic properties. Their toxic manifestations have been partly attributed to their proteolytic activity. The work described in the present paper shows that stem leaves and petiole
Dieffenbachia is a common domestic plant. Oral contact with the plant generally causes slight effects, but when chewed it may result in painful oropharyngeal edema. Even though the mechanism through which this plant causes toxicity is not known, calcium oxalate crystals (rhaphides) and protease in
The common houseplant, dieffenbachia, causes painful edematous swelling of the oral mucous membranes when chewed. This property, which is well known to the staffs of poison control centers, can be dangerous to the unwary or to victims of practical jokes. The microscopic features of the injury are
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