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Genomic analysis reveals the complete 149,827-bp chloroplast sequence of Roman chamomile, indicating close phylogenetic proximity to Matricaria chamomilla.
Chamaemelum nobile L. (Asteraceae), commonly known as Roman chamomile, is a perennial herb with branched rhizomes and multiple leafy stems. The length of the complete cp genome is 149,827 bp, and it comprises 128 genes, including 83 protein-coding genes, 8 ribosomal RNA genes, and 37 transfer RNA genes. By conducting phylogenetic analyses based on chloroplast genomes, we found that C. nobile was more closely related to Matricaria chamomilla var. recutita within the chamomile species. This finding contributes to a better understanding of the phylogenetic relationship between C. nobile and other species.
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Yang et al. (2026) studied this question.
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