Abstract

In this study, the chloroplast genomes of Acanthocalyx alba (Hand.-Mazz., 1925) and Acanthocalyx nepalensis subsp. delavayi (Franchet, 1885) were sequenced, and their total lengths were 148,720 bp and 149,253 bp, respectively. The A. alba genome contained two inverted repeat regions (IRs) of 21,849 bp, a large single-copy region (LSC) of 89,084 bp, and a small single-copy region (SSC) of 15,938 bp, whereas A. nepalensis subsp. delavayi contained two IRs of 21,736 bp, one LSC of 89,034 bp, and one SSC of 16,747 bp. The chloroplast genomes of both A. alba and A. nepalensis subsp. delavayi contained 109 genes, including 72 mRNA, 33 tRNA, and four rRNA genes. Phylogenetic analysis suggested that A. alba is in a clade with A. nepalensis subsp. delavayi. This study provides useful data for further phylogenetic studies of A. alba and A. nepalensis subsp. delavayi.

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