What's the major differences between Dunstan chestnuts (a hybrid) and 'true' American Chestnuts? Or do we even know, given how long its been since the American

What's the major differences between Dunstan chestnuts (a hybrid) and 'true' American Chestnuts? Or do we even know, given how long its been since the American Chestnuts died off? https://chestnuthilltreefarm.com/learning-center/dunstan-chestnut-history-2/ https://chestnuthilltreefarm.com/learning-center/dunstan-che...