The complete mitochondrial genome of an important medicinal plant, <i>Rehmannia glutinosa</i> (Gaertn.) DC., 1845 (Lamiales, Orobanchaceae)

<i>Rehmannia glutinosa</i>, an extensively utilized Chinese herbal medicine, is highly valued for its medicinal properties. In this study, the complete mitochondrial genome (mitogenome) of <i>R. glutinosa</i> was sequenced and assembled for the first time. The mitogenome is 547,032 bp in length, with an overall GC content of 44.97%. The mitogenome contains 67 unique genes, comprising 43 protein-coding, three rRNA, and 21 tRNA genes, with six protein-coding and nine tRNA genes being chloroplast-derived. The phylogenetic analysis, based on the maximum-likelihood criterion, demonstrated that <i>R. glutinosa</i> is closely related to <i>Aeginetia indica</i> and <i>Castilleja paramensis</i> within the family Orobanchaceae.地黄（*Rehmannia glutinosa*）是一种应用广泛的中药材，其药用价值极高。本研究首次完成了地黄完整线粒体基因组（mitogenome）的测序与组装。该线粒体基因组全长547032 bp，整体GC含量为44.97%。其共包含67个独特基因，涵盖43个蛋白编码基因、3个核糖体RNA（rRNA）基因以及21个转运RNA（tRNA）基因，其中6个蛋白编码基因与9个tRNA基因来源于叶绿体基因组。基于最大似然法（maximum-likelihood）的系统发育分析表明，在列当科（Orobanchaceae）中，地黄与野菰（*Aeginetia indica*）及*Castilleja paramensis*亲缘关系密切。