Melicoccus bijugatus, commonly called Spanish lime, genip, guinep, genipe, quenepa, mamoncillo, or honeyberry,or guaya cubana in spanish.  is a fruit-bearing tree in the soapberry family Sapindaceae, native or naturalised over a wide area of the tropics, including South and Central America, Mexico, the Caribbean, and parts of Africa and the Pacific.
Read the wiki on it
Location: Toronto Canada
posted 5 years ago
and it's delicious when ripe off the tree , but doesn't taste as good when picked green and ripened, probably why more people don't know about it. cheers