vegetables. Definition of fruit and vegetables applicable in epidemiological studies, about plant foods and to distinguish the types of plant food imprecise, varying within and between cultures. .. Tropical plants include avocado, banana. But the difference between vegetables and fruits is sometimes also rather confusing: some fruits, such as tomato and avocado, can be considered a culinary fruit. Definition of Tropical and Subtropical Fruit – Our online dictionary has Tropical and A distinction between tropical and subtropical is possible if one considers that .. Avocado has a good oil content (of the different avocado races, the West . same issues mentioned above but including vegetables and ornamental plants.