What kind of chestnuts are edible?

Online Answer
There are four different varieties of edible chestnuts: American, European, Chinese and Japanese. The chestnut tree is related to the beech and the oak tree. Chestnuts used to be the main starch staple in Europe until the potato was introduced.
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The first backcrossed American chestnut tree, called "Clapper", survived blight for 25 years, and grafts of the tree have been used by The American Chestnut Foundation since 1983..
Hippomane mancinellaOne of the worst untouchable species, whatever the weather, earns the dubious honour of being the world's most dangerous tree. The manchineel (Hippomane mancinella) grows in northern South America up to the Florida Everglades and throughout the Caribbean.
Fungus, like most tree diseases, will show itself in one of just a few ways. You may see abnormal growth, discoloration, or wilting in the leaves or needles. You may see discoloration or growth (scabs) in the bark. You may see fungus growing on your tree.
800 yearsThe only way you can be sure of getting abundant, large-sized nuts is if you water the trees regularly throughout the growing season. Most chestnut tree types only begin to produce nuts after they are three to 7 years old. Still, keep in mind that some chestnut tree types can live up to 800 years.
NoStreet food should not be banned: Street food is satisfying the hunger of many common people. Food in most restaurants is not affordable to many. For many middle-class people, eating at street food carts is very cheap and convenient. Lakhs of street vendors are making a living by preparing and selling street food.