Fig. 4From: Plastome structure of 8 Calanthe s.l. species (Orchidaceae): comparative genomics, phylogenetic analysisComparative analysis of the nucleotide diversity values among the 8 Calanthe group chloroplast genomes. The X-axis represents the position of the midpoint of a window (kb), while the Y-axis indicates the nucleotide diversity of each windowBack to article page