Myrrh is a large shrub (or small tree) indigenous to Northeast Africa, and collected in Southern Arabia and Iran. The part of this plant used medicinally is the resin. Myrrh is referred to in the Bible. Myrrh was used as a wine preservative in the ancient world. It was used by Egyptians in embalming mixtures. It was also used as an aromatic for perfumes, funerals, and insect repellents.