Answer:
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.
What goes further the slower it goes?
Many hear me, but no one sees me, and I only speak when spoken to
A hill full, a hole fullอพ yet you cannot catch a bowl full. What is it?
What can be seen but never found that only hides in the unwound?
If itโs information you seek, come and see me. If itโs pairs of letters you need, I have consecutively three. What am I?