On the grounds of Dominus Flevit (= "our Lord wept;" Luke 19:41–44) there is a tree called "the crown of thorns tree," the branches of which may have been used to make the "crown of thorns" placed on the head of Jesus.
The Roman soldiers (Matt. 27:29) . . . twisted together a crown of thorns and set it on his head. They put a staff in his right hand and knelt in front of him and mocked him. “Hail, king of the Jews!” they said.
Mark 15:17 They put a purple robe on him, then twisted together a crown of thorns and set it on him.
John 19:2 The soldiers twisted together a crown of thorns and put it on his head. They clothed him in a purple robe . . . John 19:5 When Jesus came out wearing the crown of thorns and the purple robe, Pilate said to them, “Here is the man!”
For a brief blog entry on this topic Click Here.