Cinnamon is a fragrant spice used in various industries, including pharmaceuticals, food, and cosmetics. The cinnamon tree belongs to the dicotyledonous family and is evergreen, growing primarily in regions of India and China. It is native to Sri Lanka, and the highest quality cinnamon is Ceylon cinnamon. The tree has regular, yellowish-white flowers, and its brown-colored bark is what is known as cinnamon.