Looking at that log half w/ the ripples, I would absolutely have expected to hear that this is CURLY maple but I HAVE seen box elder (well, it was LISTED as box elder anyway) with no flame and the curl I'd expect to result from those ripples although it was much lighter. You can see the pics on my site. Also, there's a flamed bowl by Leo Frilot that also has some curl.
If I had just seen this without comment, I would have bet on curly maple and it being hard maple, not box elder maple, but I've been wrong before.
Anyway, my comment was only meant to point out that box elder IS a maple.
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