Cinnamon is a tropical evergreen tree whose parts, either the bark or the leaf is used for a variety of purposes. The parts of the tree is broken down into many parts as follows. 1  Cinnamon chips (like wood chips) made from the bark. 2  Bark rolled into sticks that are between 2-6 inches long.3  The Cinnamon bark ground into Cinnamon powder.he cassia Cinnamon is made by cutting the Cinnamon tree trunk and rolling the inner bark into sticks. Because the Cassia Bark is very hard and thick only one piece of bark is used for rolling into a stick.