I agree but there is no cotton that comes off the tree. Cottonwoods are common around here - similar leaves but different bark and they get huge.
My grandfather used to call basswood "summer wood" I think because it was used in his mom's cookstove in the summer so it would burn up quick.
Thanks fellas, I knew I could count on you. It's at my in laws house they moved into a couple years ago, and it's been bugging me ever since!
Used to know an old Polish mountain man. The Grizzly Adams of Europe type guy. I know Linden was his favorite tree. All sorts of medicinal uses.
Bass and cottonwood leaf look similar. Bass or linden leave mostly look heart shaped. In this case I agree with linden rather than cottonwood. Cut some and save some for whittling as that wood is great for that.