The word(s) "leaves" appears 4 time(s) in 4 verse(s) in Quran in Muhammad Pickthal translation.

(1) Thus did he lead them on with guile. And when they tasted of the tree their shame was manifest to them and they began to hide (by heaping) on themselves some of the leaves of the Garden. And their Lord called them, (saying): Did I not forbid you from that tree and tell you: Lo! Satan is an open enemy to you?

(2) And had We willed We could have raised him by their means, but he clung to the earth and followed his own lust. Therefor his likeness is as the likeness of a dog: if thou attackest him he panteth with his tongue out, and if thou leavest him he panteth with his tongue out. Such is the likeness of the people who deny Our revelations. Narrate unto them the history (of the men of old), that haply they may take thought.

(3) Then they twain ate thereof, so that their shame became apparent unto them, and they began to hide by heaping on themselves some of the leaves of the Garden. And Adam disobeyed his Lord, so went astray.

(4) On honoured leaves