We have another Strange Plant Of The Hour. Take a look.
Even though it looks like something that you might rake up and then throw into the composting bin, that is not just a leaf; it is a whole plant. This plant puts out exactly one leaf, which sits on top of the plant, covering it completely. Here is a closer view.
I have been assured by my experts that there is a plant under there, and it owns this leaf. It only ever puts out exactly one leaf. The single leaf covers the plant entirely.
In case you feel an overpowering urge to run out and procure one of these, here is what it is called:
Say that three times quickly without spitting up.