The Caribbean Dictionary
Noun
Fruit, the size of an olive and purple in color. It can be eaten raw and is used to make refreshing drinks. It can also be eaten with sugar. It stains very easily. 
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Noun
A round fruit about the size of a tennis ball. It has a glossy leathery skin that is either green, purple, or some combination of the two colours. Inside is a purple and white milky flesh that exhibits a distinct star pattern. The fruit is sweet and eaten raw
apra, caimite, cainit, damsel, estrella, goudblad boom, kaimit, pied caimite, pomme surette, star apple, star plum, sterappel
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mel
May 31, 2018
i think you are confusing starapple with jamoon. jamoon is the size of an olive not a tennis ball.
Rig
Nov 30, 2018
This is known a Governor plum in Grenada, it's about the size of an olive and must be soften. Before eating the pulp
Candice
Jan 26, 2020
This is most definitely not governor plum, neither is it star apple. In my country it is called Jamoon. Very delicious and also a bit sour. It is the size of an olive and grows on the trunk of the tree like the cannon ball fruit (Couroupita guianensis)
Gt gal
Feb 01, 2020
It's Jamoon fren it's olive shaped not no tennis roll. You can use it to make juice or jam 😋😋. Beware it "STAINS"
Blackrose
May 25, 2020
That looks nothing like a plum it looks like a olive n we call it in Barbados jamoon
Jewel
Jun 13, 2020
Star Apple
Kevin
Dec 09, 2020
That is NOT Jamoon/Jamun. Jamun is Java plum and black plum. That is Chrysophllum cainito, Star Apple
Michelle
Jan 31, 2021
Not Jamoon
Rita
Feb 24, 2021
The pictures are definitely Star Apple
Hailfrost456
Mar 16, 2021
They’re not star apples.
Denise
Jun 24, 2022
That fruit shown above is called star apple
Mark
Nov 06, 2022
Clearly NOT jamoon. Not sure if Trinidad even have jamoon. Jamoon is a South American tree. This thing shown here is star apple. Could be green with white inside or purple with purple inside as well.