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. 2021 Dec 7;131(1):87–108. doi: 10.1093/aob/mcab147

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© The Author(s) 2021. Published by Oxford University Press on behalf of the Annals of Botany Company.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 1. — The natural distribution ranges of Urochloa (diagonal shading) and geographical origin of the accessions studied here (symbols). For relevant species, multiple ploidies were found at each collection location. (A) Urochloa brizantha is marked in blue, U. decumbens in green and U. ruziziensis in pink. (B) Urochloa humidicola is marked in orange. (C) Spikelet morphology. Diploid accessions are shown as squares, tetraploid as empty diamonds, pentaploid as upright crosses, hexaploid as triangles, heptaploid as diagonal crosses, octoploid as circles and nonaploid as filled diamonds. Natural distribution ranges are from wcsp.science.kew.org. Photograph of U. humidicola by Russell Cumming.