Bdellium

Bdellium /ˈdɛliəm/ (also bdellion or false myrrh) is a semi-transparent oleo-gum resin extracted from Commiphora wightii plants, and from Commiphora africana trees growing in sub-saharan Africa. According to Pliny the best quality came from Bactria. Other named sources for the resin are India, Pakistan, Arabia, Media, and Babylon.