The mulberry trees - Rather, the Bacah-tree, and found abundantly near Mecca. It is very like the balsam-tree, and probably derives its name from the exudation of the sap in drops like tears when a leaf is torn off. Some think the valley of Baca Psalms 84:6 was so called from this plant growing there.
Related Commentaries of 2 Samuel 5:23
2 Samuel 5:23
23 And when David enquired of the LORD, he said, Thou shalt not go up; but fetch a compass behind them, and come upon them over against the mulberry trees.