“Latex,” as a generic term, may be derived from several different natural or synthetic substances. Consult a physician as to the allergenic properties of each individual latex source. Rubber-tree (Hevea brasiliensis) is the plant traditionally used to produce latex. Hevea is grown on tree plantations in the tropics. It's sap is known to cause reactions in some people in the form of irritant contact dermatitis, allergic contact dermatitis, or latex hypersensitivity. It is generally listed as poisonous on toxic plant lists. A number of different plants are referred to by the common name “rubber tree” or “rubber plant.” The most common is called Assam rubber, Indian rubber fig, Indian rubber tree, or rubber plant (Ficus elastica), and it is often listed as toxic because contact with sap may produce a skin rash, itching, or irritation. Baby rubber plant (Peperomia obtusifolia) is considered toxic due to alkaloids in the leaves.
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