<p><i>Neltuma chilensis </i> (syn<i>. Prosopis chilensis</i>) domestication is studied through a combination of modern morphological and metrical comparisons, charring experiments and archaeobotanical remains from the El Shincal archaeological site (Inca period, ~ 500 BP) in northwestern Argentina. Charring experiments provide qualitative features that differ among seeds subjected to multiple charring episodes which allow archaeological seeds to be recognized as having been charred 2 or 4 times. These experiments also provide a basis for correcting for the extent of shrinkage under such charring regimes. Corrected measurements on archaeological seeds and testa, indicate that these fall within modern seed length variation but are narrower (more elongated in shape) and have significantly thinner testa in the Inka period. This suggests that Inka <i>Neltuma</i> can be considered a domesticate that had reduced dormancy with more changed aspects of fruit shape due to elongated seeds/endocarps.</p>

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Archaeobotanical evidence for a domesticated tree legume 500 years ago in Northwest Argentina: morphological and metrical evidence from Neltuma chilensis processed for food

  • Aylen Capparelli,
  • Dorian Q. Fuller

摘要

Neltuma chilensis (syn. Prosopis chilensis) domestication is studied through a combination of modern morphological and metrical comparisons, charring experiments and archaeobotanical remains from the El Shincal archaeological site (Inca period, ~ 500 BP) in northwestern Argentina. Charring experiments provide qualitative features that differ among seeds subjected to multiple charring episodes which allow archaeological seeds to be recognized as having been charred 2 or 4 times. These experiments also provide a basis for correcting for the extent of shrinkage under such charring regimes. Corrected measurements on archaeological seeds and testa, indicate that these fall within modern seed length variation but are narrower (more elongated in shape) and have significantly thinner testa in the Inka period. This suggests that Inka Neltuma can be considered a domesticate that had reduced dormancy with more changed aspects of fruit shape due to elongated seeds/endocarps.