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ExaML phylogenetic tree of Zanthoxylum based on the concatenated alignment of 258 targeted nuclear genes. Bootstrap values are shown at each branch. Branch lengths are proportional to the number of substitutions per position. Abbreviations after species names refer to their current sectional classification according to Reynel (2017): MAC, Macqueria; PTE, Pterota; SIN, Sinensis; TOB, Tobinia; ZAN, Zanthoxylum. World map source: https://pngkey.com.
