Answer:
What has roots as nobody sees, is taller than trees. Up, up it goes, and yet never grows?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
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 is lengthened by being cut at both ends?
A type of hammer that brings a room to order.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?