Boswellia sacra, also known as frankincense, is a tree species of the family Burseraceae. Synonyms include Boswellia bhawdajiana, Boswellia carteri, and Boswellia undulatocrenata. Another common name for Boswellia sacra is olibanum tree. The tree has its origins in Somalia and the Arabian Peninsula which comprises Yemen and Persia. Boswellia sacra can reach a height of 2 to 8 metres. The tree trunk has a papery texture and could be more than one per tree. The treeís compound leaves comprise oppositely-arranged leaflets. Flowers are small, yellowish-white and grow in clusters. Fruits occur in the form of 1 cm long capsules. The tree has buttress roots that may grow up to tree base. Boswellia sacra becomes a rich source of resin once it reaches its 8th to 10th year of growth.