A while back I got an entire box full of Mamoncillo sent to me from Puerto Rico, the fruits taste wise were one of the best fruits I have encountered, texture wise like a really stringy, fibrous mango. The seeds look like a tiny avocado seed and are propagated similarly. The trees grow slow for me at least, a two year old specimen being only 6 inches tall. I would go for it if I were you guys, they are quite interesting and are somewhat rare.