I know that watermelons can be CROSS REACTIVE, for People with Ragweed Allergies.
Not sure if that is helpful.
Not sure if they are on the latex-Fruit list; but, I know wheat is also a CROSS REACTIVE for a Latex Fruit Syndrome... there is a Latex Fruit List.. {sometimes when you go undiagnosed for a while, other types of Allergies, Sensitivities...