Bahrain's national tree is a Prosopis Cenraria tree known as Shajarat-al-Hayat (the Tree of Life).
Arabic
a market economy
the national tree is an elm tree
petroleum, hydropower, and other resources of commercial importance.

Switzerland does not have an official national tree.
The national tree of Greece is the olive tree.
I believe that the pine tree is the national Christmas tree.
India's national tree is the banyan tree
The national tree of Yemen is the the Dragon Blood.
National tree of Persia (Iran) is Cherry tree.
the canadien national tree is the maple tree
The birch tree is considered Russia's national tree.