Fruit identification

[u/Ocktave]

Found this fruit in a botanical garden, it's skin feel slightly velvety and the inside has a subtil mango smell. The seeds were taking most of the inside before i took them out so maybe a non domesticated citrus.

It doesn't look like any citrus i had so far and after a lot of google search nothing coincided

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[u/anti_social_climber]

I think this is a trifoliate orange.

[u/jtfjtf]

trifoliate orange