Picking up ripe "tyamatar" from the garden. Tyammatar is the Nepali name for "tree tomato" an attractive plum shaped fruit with meaty pulp and seeds. It has a tough, bitter skin and is very tart, but flavorful when ripe. Despite its appearance, it is not a true garden tomato although it resembles a medium-size pear tomato. It is generally considered a native to the Andes of Peru, Chile, Ecuador, but also is grown in New Zealand, Australia and Asia.