There are roughly 550 species of Burseraceae, a collection of trees often referred to as the incense tree family, recognizable for their flaking aromatic bark and fragrant sap. But true ...
(left) This tree species, Aquilaria crassna, is a key source of agarwood (© Blaise Droz/wikimedia). Poachers scraped the bark ...
Frankincense had calming, aromatic qualities and was mixed with a variety of spices to form incense ... is collected from ...