Limoncillo is called "guinep" in the English-speaking caribbean. Here is more info on limoncillo:
Mamoncillo
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And, as a great reference for those interested, here is access to the best tropical fruit reference book I have ever found, written by Julia Morton (Fruits of Warm Climates) In her descriptions, she includes the various names each fruit are known by, by country, and good photos (the fruits are listed by scientific name, so you may just have to search awhile and get a good education at the same time):
Fruits of Warm Climates
Mamoncillo
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And, as a great reference for those interested, here is access to the best tropical fruit reference book I have ever found, written by Julia Morton (Fruits of Warm Climates) In her descriptions, she includes the various names each fruit are known by, by country, and good photos (the fruits are listed by scientific name, so you may just have to search awhile and get a good education at the same time):
Fruits of Warm Climates