Garcinia xanthochymus, the false mangosteen, gamboge, yellow mangosteen, Himalayan Garcinia, or sour mangosteen is a species of mangosteen native to India, Nepal, Bangladesh, Indochina, and southern China at elevations of 0 – 1400 meters. Plants are found growing in humid forests of valleys or on hills. It is locally known as defol (ডেফল) in Bengal, tepor tenga (টেপৰ টেঙা) in Assam, and heirangoi (হৈরাংগোই) in Manipur.