Ancient Use of Coca Leaves in the Peruvian Central Highlands

@article{Valdez2015AncientUO,
  title={Ancient Use of Coca Leaves in the Peruvian Central Highlands},
  author={Lidio M. Valdez and Juan Taboada and J. Ernesto Valdez},
  journal={Journal of Anthropological Research},
  year={2015},
  volume={71},
  pages={231 - 258}
}
Coca, of the genus Erythroxylum, is a stimulant and painkiller that played key roles within the Inka state. As reported by the early Spanish chroniclers, coca was the most important plant offering during public rituals. Likewise, important landmarks within the Inka domain regularly received offerings of this precious leaf. Its high value is indicated by the fact that not only the living chewed the leaves on a regular basis, but also the dead carried coca leaves in their mouths. We still do not… 
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