Hmm, it's hard to say for sure.

By "Lacerations" do you mean tears, slits, or maybe white or brown streaks in the leaves? Marks that are exclusively on just the edges, or tips?

A good clear picture of the damaged leaves might help us out a little better in giving you an answer.

Billy Rae

A lot of Aroids like Philodendrons and Monsteras develop slits or holes as the foliage matures and gets larger. It's a survival trait that helps them survive and stay secured to trees when high winds from storms and hurricanes in the areas that they are native to.
Randy

Slits (not holes) on the end of the leaves of "Bird of a Paradise" plant are pretty much for the same reason, to let wind pass through caueing leaves less damage.

Billy Rae

Here are two pictures. One is out of focus so if that isn't good enough, let me know.

{{gwi:116761}}



{{gwi:116762}}

You appear to have a Philodendron 'Brasil', which I don't think develops slits. The slit and spots look like old damage to me - were they on the plant when you acquired it, or did they happen recently? I'm guessing it was either a slug or some sort of mechanical damage. If the spots seem to be spreading, you may have a fungal disease but it doesn't really look like it.

As long as the plant has some other leaves, I would cut off the damaged ones and watch for new marks, but I doubt you'll find more later on.