'Tamarisk tree' in the Bible

Abraham planted a tamarisk tree in Beersheba, and called there on the name of the LORD, the Everlasting God.

And Saul heard that David was discovered, and the men that were with him: now Saul was sitting in Gibeah, under the tamarisk-tree in Ramah, with his spear in his hand, and all his servants were standing about him.

And they took their bones, and buried them under the tamarisk-tree in Jabesh, and fasted seven days.

every valiant soldier got up, removed the bodies of Saul and his sons, took them to Jabesh, and buried their bones under the tamarisk tree in Jabesh. Then they fasted for seven days.