We sequenced and published the chloroplast genome of
Commelina caroliniana
Walter, which was previously misidentified as
C. diffusa
owing to their morphological similarities until 1989. The genome of
C. caroliniana
is 160,857 bp long [large single copy region: 88,064 bp; a small single copy region: 18,549 bp; two inverted repeat regions: 27,122 bp] and has a GC content of 35.7%. The genome comprises 133 genes, including 87 coding sequences (CDSs), 38 tRNAs, and eight rRNAs. The phylogenetic relationship between
C. caroliniana
and related species was analyzed using the maximum likelihood method based on the 79 CDSs of the chloroplast genome. Phylogenetic analysis revealed that
C. caroliniana
is closely related to
C. communis
. Our findings will contribute to studies on species identification and phylogenetic and evolutionary research. These results enhance our understanding of the
Commelina
genus.