Answer:
What gets broken without being held?
What is made of wood, but can't be sawed?
I climb higher as I get hotter. I can never escape from my crystal cage.
Glittering points that downward thrust. Sparkling spears that never rust.
I've been argued on my color. Without me you'll die. So many attempts on your life use me so make sure you have many of my White friends.
It produces a flower but it is not its fruitΝΎ it produces branches which are its fruit.