The complete chloroplast genome sequence of <i>Amorphophallus konjac</i> (Araceae) from Yunnan, China and its phylogenetic analysis in the family Araceae

This work determined and analyzed the complete chloroplast genome sequence of <i>Amorphophallus konjac</i> K. Koch ex N.E.Br 1858 from Yunnan, China. The genome size was 167,470 bp, of which contains a large single-copy region (LSC 93,443 bp), a small single-copy region (SSC 21,575 bp), and a pair of inverted repeat regions (IR 26,226 bp). The chloroplast genome has 131 genes, including 86 protein-coding genes, 37 tRNAs, and eight rRNAs. A previous study reported deletion of <i>acc</i>D, <i>psb</i>E, and <i>trn</i>G-GCC genes in the <i>A. konjac</i> chloroplast genome. Our study supports the conservative structure of <i>A. konjac</i> and does not support the gene deletion mentioned above. Phylogenetic analysis indicated that <i>A. konjac</i> shares a close relationship with another <i>A. konjac</i> (collected from Guizhou) and <i>A. titanium</i> by forming a clade in the genus <i>Amorphophallus</i>. Our results provide some useful information to the evolution of the family Araceae.