Macadamia nut. A white nut with oily texture which originated in Australia. IT has the appearance of a large hazelnut.
Black radish. A root vegetable with crisp white flesh and a coarse black skin used in northern and eastern Europe rather like horseradish, grated into sauces, or in the same way as ordinary radishes, in salads, soups and stir-fries. It can be quite bitter and certainly hot.
Amaranth. This covers many varieties of a sweetish green leafy vegetable known by many different names, including callalloo, elephant’s ear, African/Chinese/Ceylon/Indian spinach, Surinam amaranth, basella etc. Most commonly it is a tropical climbing plant that can grow as high as 2 meters (6 ft), the leaves being harvested as the plant grows and cooked in the same way as spinach. In India the most common is Basella alba or Indian Spinach.