What is the best cinnamon sticks? Cinnamon Sticks is a warm sweet fragrance spice. It is obtained from the inner bark of the tropical Cinnamomum tree (informally well known as the cinnamon tree) species from the genus Cinnamomum. The surface of the cinnamon stick is red-brown color and rugged to the touch. Inside, Cinnamon sticks hold up an unlighted, grey-brown shade with a glossy and fine-grained texture. It has a frowsy, soil-like, and spicy aroma that can smolder on the nose. Types of cinnamon sticks: There are four (4) major types of cinnamon cultivated commercially. These are Cinnamomum Verum (Ceylon Cinnamon), Cinnamomum burmannii (Korintje Cinnamon), Cinnamomum cassia (Saigon Cinnamon), and Cinnamomum Loureiro (Royal Cinnamon).