Mangifera foetida (also called horse mango, malmut, limus, bachang,machangand kemantan in Borneo) is a species of plant in the family Anacardiaceae.
It is found in wet-land rainforest regions of Indonesia, Malaysia, Myanmar, Singapore, Thailand, and Vietnam.
The fruit is edible raw or cooked without the skin and seed, but normally eaten raw. However, young fruits extrude sap that can cause blisters. Mature fruits have a strong smell. The ripe fruit tend to be fibrous. At that point, the fruit can be used to extract the juices or made into jam.
Two know variety found in Borneo that can be very sweet or sour.
Other uses: The seed make good rootstock for grafting other type of mango for it resistant to diseases.