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Cereal Grains from the Tashbulak site: a) an example of a hexaploid wheat rachis on the top and a tetraploid wheat rachis on the bottom; b) hexaploid wheat rachises; c) and d) culm nodes of a grass species that is roughly the size of a typical cereal plant; e) three views of a barley grain; f) three views of a compact free-threshing wheat grain; and g) a barley rachis with a close-up of the hairs along the margin.
