Copal is a name given to tree resin, particularly the aromatic resins from the copal tree Protium copal Burseraceae. Isolated Stock Photo - Alamy
Frankincense (Boswellia sacra) Resin - emsherbals
Bark. Boswellia Serrata. Family: Burseraceae. A deciduous tree from the forests of peninsular India. The tree yields an aromatic resin which is used t... - SuperStock