- The cinnamon tree grows in moist well-drained soils and rarely reaches more than 15 metres (49 feet) in height.
- The thick simple leaves have smooth margins and are usually oval; the veins are roughly parallel to each other.
- Young leaves are red and mature to a deep green.
- The small bisexual flowers are greenish to yellow and are borne in clusters.
- The fruit is a dark drupe.