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Sweet Chestnut (Castanea species). Forest Chestnuts. The American chestnut (Castanea dentata) was one of the largest growing forest trees in eastern North America. It was important for timber as well as nuts for human use as well as wildlife.A deadly fungus disease, introduced from the Orient effectively wiped out this chestnut in the first half of the 20th century.he American chestnut (Castanea dentata) was one of the largest growing forest trees in eastern North America. It was important for timber as well as nuts for human use as well as wildlife. A deadly fungus disease, introduced from the Orient effectively wiped out this chestnut in the first half of the 20th century.
Occasionally people ask about the edibility of chestnuts. In almost every case the 'chestnut' turns out to be the non-edible horse-chestnut or buckeye.True American chestnut (Castanea dentata) is rare here. It has been virtually eliminated from much of its former native range due to a fungal blight.ccasionally people ask about the edibility of chestnuts. In almost every case the 'chestnut' turns out to be the non-edible horse-chestnut or buckeye.