Hi, Pictures would help...alot. Bow making requires straight, well seasoned wood. Not just dried, but dried without checks and splits, then protected from moisture and insects. Wood collected for burning seldom gets premium treatment. So the wood you have on hand may be of an excellent species for bow making and still be worthless ( except as fire wood.)
Assuming its straight, dry, and has no rot or bug holes most wood over .40 specific gravity can be made into a bow.
If you want an accurate species ID, pics and info on your location, would really help. Ron