Dendrobium chrysocrepis is an endangered and rare species belonging to the family Orchidaceae. Here, we report the complete chloroplast (cp) genome sequence and the cp genome features of D. chrysocrepis. The complete cp genome sequence of D. chrysocrepis was 154,155 bp in length and presented a typical quadripartite structure including one large single-copy region (LSC, 86,372 bp), one small singlecopy region (SSC, 15,463 bp), and two inverted repeat regions (IR, 26,160 bp). The cp genome encoded 130 genes, of which 115 were unique genes. The phylogenetic relationships indicated that D. chrysocrepis was closely related to other species in Dendrobium.
Pholidota Lindl. ex Hook. was placed in tribe Arethuseae Lindl. (Epidendroideae, Orchidaceae), while its generic relationship has been unclear. Since the plastid genome could play a key role in plant systematics, the complete chloroplast (cp) genome of P. articulata was reported in this paper. The cp genome was 160,114 bp in length with four typical quadripartite structures, which was consisted of a large single copy (LSC) region of 87,756 bp, a small single copy (SSC) region of 18,872 bp, and two inverted repeats (IR) of 26,734 bp. In addition, the cp genome encoded 132 genes in total, of which were 113 unique genes, including 79 protein-coding genes, 30 tRNAs, and 4 rRNAs. The phylogenetic analysis indicated that P. articulata was closely clustered with other two species of Pholidota and that they appeared to be related to Pleione in Arethuseae Lindl.
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