Anthocephalus morindaefolius.

Botanical name: 

Anthocephalus morindaefolius Korth. Rubiaceae/Naucleaceae.

East Indies and Sumatra. This large tree is cultivated in Bengal, North India and elsewhere. The flowers are offered on Hindu shrines. The yellow fruit, the size of a small orange, is eaten. The plant is a native of the Siamese countries.

Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.