Wow, even by the Phactor’s standards, these are pretty exotic fruits! Of the 15 the Phactor has never even heard of three of them, but he’s eaten all the rest, and of this particular group, mangosteen is probably my favorite, although rambutan fresh right off the tree are pretty darned good. The Physalis (probably P. peruviana) is closely related to the tomatillo, but this species is fruitier and called Cape Gooseberry (not a real Ribes gooseberry), and they aren't much eaten fresh but they make a great pie or tart. Durian doesn’t taste anything like it smells (bad!), but it’s nothing to rave about either, sort of an insipid custardy taste, but it makes a pretty good ice cream. Here's a picture of a kiwano or horned melon taken by one of my students to record their fruit lab. The part you eat is a fleshy seed coat and they have a vaguely cucumbery taste; these really look cool in a fruit salad.