Poisonous House Plants

Common names
Giant Dumbcane
Spotted Dumbcane
Leopard Lily

Botanical name
Dieffenbachia sp.

Poisonous parts
All parts

Poisonous component
Calcium oxalate

The distinctive leaf pattern of the very popular Dieffenbachia sp. is seen in many homes. Painful and immediate swelling of the mouth and throat occurs after chewing on dumbcane. Speech impediment can occur, sometimes lasting for several days. Avoid eye contact with the juices which can result in intense pain and swelling.

This plant is useful for purifying our indoor air.



A beautiful plant, Diffenbachias are present in many homes.

Toxicity Information
Dieffenbachia amoena | Dieffenbachia bausei
Dieffenbachia maculata | Dieffenbachia seguine

Courtesy of:
Derek B. Munro
Biological Resources Program
Eastern Cereal and Oilseed Research Centre

Poisonous House Plants
Air Cleaning House Plants

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