Accroides

n Resinous accumulation which occurs on the leaf and stem of the Xanthorrhoea species. It is native to Australia and Tasmania. It appears on the market in red and yellow forms, both of which are soluble in industrial alcohol, and are used in spirit varnishes. The resin is also described as “Black Boy Gum,” “Botany Bay Resin,” “grass tree gum,” “gum acaroid,” “acaroid resin,” “red gum,” and “yacca” or “yacka” gum (Langenheim JH (2003) Plant resins: chemistry, evolution ecology and ethnobotany. Timber Press, Portland, OR; Whistler JN, BeMiller JN (eds) (1992) Industrial gums: polysaccharides and their derivatives. Elsevier Science and Technology Books; Langenheim JH (2003) Plant resins: chemistry, evolution ecology and ethnobotany. Timber Press, Portland, OR).