You are purchasing 4 of these rare seeds: Spondias mombin
Native to the tropical Americas, it has been naturalized in many other areas, including Africa and India, but rarely cultivated. This tree has several common names: yellow mombin, hog plum, Spanish plum, Ashanti plum, golden apple, Java plum, Makok, Ambaralla, Omora, and many others.
Its fruit is eaten, made into jellies or sherbets or juices, as well as being used medicinally.
This specimen is deciduous and reaches heights of about 60 feet. A member of the cashew family, it bears fragrant, white blossoms.