I think that it is absolutely dangerous to turn wood that you cannot identify-
My reason is - what if this wood turns out to be the most beautiful wood in the world and wins many prizes in all of the shows that you enter it in and you do not even know it name.
You will now search for the rest of your life for MORE of this wood and it is beyond your reach -- can you imagine the anguish that your life will be because of this piece found wood from the road? You may even turn to drink to coverup the frustration and loose your job, wife, kids, dogs. You will become homeless and living in hobo camps. All because of this lost limb from the road.
Remember the tea kettle - it is always up to its neck in hot water, yet it