If Straubies had a 7x or 10x close-up lens and took a shot of the end grain, it would be more definitive. A regular 35 mm can't be closer than 4 feet without this lens, and would be a big blur. Untill we have a sample to see, I'm stickin with Sassafras because folks have steeped its wood for alot of herbal teas and such and it grows biggest in its southern range (3 feet dbh , 100 feet). You may get a unique tree that is even more spicier than others. Maybe its foreign wood, I can't imagine it though.
regards