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The collinear blocks between the organelle genomes of four species in Cyperaceae. A and (B) are collinear blocks of mtDNA and cpDNA, respectively. The bar chart represents the organelle genome, and the arc represents the homologous sequence of adjacent species. The red highlighted area represents homologous segments with lengths greater than 500 bp and an E values of 0, while the gray area represents homologous fragments with lengths less than 500 bp and an E values greater than 0
