boswellia serrata tree with plate with its name

alternative arabian aromatherapy aromatic balsam bark boswellia branch burseraceae closeup culture deciduous detail drop drug elixir essence foliage frankincense growing gum harvest herbage incense leaf nature oil olibanum oman plant rare remedy resin rheumatic rubber sacra sacred sap scent serrata smoke socotra spirituality stem therapy tradition tree trunk yellow yemen