How to edge laminate to curved edge?
A quick Google search for &quot;flexible trim&quot; shows several items that should work. I don't know if they're any good but they're clearly designed to do what you want and there are several to choose from.
Here's one example called eXtreme® Quickstep Flexible Laminate Floor Beading &amp; Skirting. The photo looks like it matches your description exactly.

And there's also something called Flexible PVC skirting which is taller but equally flexible since it also comes in a roll.