And yet, the chestnut is one of the very few commonly eaten botanical nuts (along with the hazelnut and some acorns) -- nearly all other culinary nuts are otherwise (drupes, seeds, legumes, etc).
A clarification for those watching the video dominance is generally defined in terms of biomass not numbers. The American Chestnut could grow quite large, which changes some of these comparisons.
It's really more like a small potato.