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Beans for valdivia.

J E Damp, D M Pearsall, L T Kaplan

    Science (New York, N.Y.)
    |May 15, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Archaeologists discovered ancient Canavalia beans in Ecuador, dating back to 3300 B.C. This finding shows the early use of these beans during the Valdivia and Early Formative periods in coastal Ecuador.

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    Area of Science:

    • Archaeobotany
    • South American archaeology

    Background:

    • The earliest human settlements in coastal Ecuador provide crucial insights into ancient subsistence strategies.
    • Understanding the timeline of crop domestication and use is vital for reconstructing past lifeways.

    Purpose of the Study:

    • To identify and date the earliest evidence of Canavalia bean consumption in Ecuador.
    • To establish the chronological context of Canavalia bean use within the Valdivia and Early Formative periods.

    Main Methods:

    • Archaeological excavation at the Real Alto site (OGCh-12) in southwestern Ecuador.
    • Analysis of carbonized botanical remains, specifically Canavalia beans.
    • Radiocarbon dating of associated archaeological deposits.

    Main Results:

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    • Carbonized Canavalia bean remains were successfully recovered from archaeological layers at Real Alto.
    • The identified beans were confirmed as Canavalia species.
    • Dating of the deposits places the earliest use of these beans at approximately 3300 B.C.

    Conclusions:

    • Canavalia beans were utilized by inhabitants of coastal Ecuador from the inception of the Valdivia culture.
    • The findings extend the known history of Canavalia bean use into the Early Formative period in this region.
    • This research contributes to the understanding of early agriculture and foodways in prehistoric Ecuador.