Answer:
In my life I must bare my bloodline I must share.
I have hands but cannot clap
In many hall ways you would stand if not with me in hand.
I am shared by goats devils and unicorns.
I am flora not fauna. I am foliage not trees. I am shrubbery not grass.
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.