Flake ?????n? is ?xtr??t?d fr?m th? Er?thr?x?l?n ???? bush in P?ru, B?l?v??, and C?l?mb??. C???-l??f ?nfu???n? or t??? h?v? b??n u??d to ??mb?t ?lt?tud? ???kn??? and b???t ?n?rg? ?n most indigenous tr?b?? ?file S?uth The united states.An?th?r ???ul?r m?th?d ?f use is usually to ?m?k? ?????n? which includes b??n ?r??????d t? make a r??k ?r??t?l (