Omumbiri (Commiphora wildii) as a resin is new to the market place and therefore does not have a history of grading like C. myrrhra. The Himba collects the Omumbiri resin from the trees and then take it to a central collection point in the conservancies in the Namib.
Bulgarian Rose Oil | Bulgarian Rose Otto | Rosa Damascena | Rosa Canina
Why are There No Essential Oils in Plants? – The Plant Volatiles