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. 2024 Sep 4;10(36):eadn1466. doi: 10.1126/sciadv.adn1466

Fig. 1. Geographical distribution of archaeological records of maize throughout the Americas.

Fig. 1.

(A) Geographical location of Rio Balsas Valley, Southwestern Amazonia, Peruaçu Valley and archaeological records of maize (in years BP) (table S5) across the Americas. (B) Fragments of cobs, ears, straw, and stigma from archaeological samples of maize from Peruaçu Valley, Minas Gerais (MG). (C) Grains and floury endosperm in archaeological maize samples from Peruaçu Valley, MG. (D) Maize ears characterized for the classification of races in archaeological samples from Peruaçu Valley, MG. (E) Samples with primitive traits and typical ears/cobs of fully domesticated maize from archaeological samples from Peruaçu Valley, MG. The photos of the ears are presented on the same scale for each item [(A), (B), (C), (D) and (E)]. Photo credits: Flaviane Malaquias Costa, Universidade de São Paulo.