| Abstract: |
Our paper addresses the complex set of issues affecting rice grain preservation at archaeological sites. Through a set of carefully controlled carbonization experiments using wild and domesticated species, we demonstrate that dried, dehusked grains survive intact within a small window of heating conditions and, contrary to previous studies, are not substantially reduced in size by the carbonization process. The rice accessions included in this study are part of an extensive botanical collection from the Ban Chiang region, Thailand, which provides unique ethnobotanical information for traditional rice cultivars, their growing conditions, and specific attributes favored by local farmers. The Ban Chiang rice study provides a new lens for considering the history of rice cultivation in Southeast Asia regarding the chronology, archaeology, and cultural importance of <i>Oryza sativa</i> ssp. <i>japonica</i> and <i>Oryza sativa</i> ssp. <i>indica.</i>
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