Asam Aur Aur
A close relative of the mangosteen (Garcinia mangostana), this delicious fruit from northern Borneo has a juicy, tart but sweet taste and is very popular with locals. Despite high demand, most of the fruits are still wild collected in the rainforest. In cultivation, the trees best suited for humid, tropical climates. They are fast growing and can start producing after as little as four years.