Answer:
I have leaves on my fruit my fruit is on my leaves.
What goes around the wood but never goes into the wood?
In a tunnel of darkness lies a beast or iron. It can only attack when pulled back. What is it?
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What am I?
I am always in front of you, but you will never see me. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.