'Tree' in the Bible

He who is having an ear -- let him hear what the Spirit saith to the assemblies: To him who is overcoming -- I will give to him to eat of the tree of life that is in the midst of the paradise of God.

And after these things I saw four messengers, standing upon the four corners of the land, holding the four winds of the land, that the wind may not blow upon the land, nor upon the sea, nor upon any tree;

and it was said to them that they may not injure the grass of the earth, nor any green thing, nor any tree, but -- the men only who have not the seal of God upon their foreheads,

in the midst of its broad place, and of the river on this side and on that, is a tree of life, yielding twelve fruits, in each several month rendering its fruits, and the leaves of the tree are for the service of the nations;

'Happy are those doing His commands that the authority shall be theirs unto the tree of the life, and by the gates they may enter into the city;