Abstract
Phylogenetic relationships among the six Iris subgenera were reconstructed by chloroplast trnL-F sequences data using maximum likelihood. The entire matrix of aligned bases analyzed includes 1043 characters and the length of all sequences varied from 747 bp to 893 bp, and mutation sites accounted for 18.79% of the total length. The cluster analysis results accorded well with the subgeneric classification of Chinese Iris species. Results suggested rhizomes and sepals lacking ornament are ancestral characters, and subg. Xyridion and subg. Limniris are more primordial than another four subgenera. Subgenus Nepalensis and subg. Xyridion were resolved as monophyletic.
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Acknowledgments
The authors thank the Education Department of Sichuan Province (13ZB0295), Bureau of Science and Technology and Bureau of Education of Sichuan Province, China; and also thank Guangdong provincial science and technology project (2017B090907001). The authors are highly thankful to Dr. Ling-Xia SUN, Xi LI and Yuan-Zhi PAN of College of Landscape Architecture, and Dr. Yi WANG and Long WANG of Triticeae Research Institute, Sichuan Agricultural University for their kind helps on experiment. And the authors also thank Chun-Nong LI, Qiang YUAN, Qiang YI and Yi-Mei Feng for their helps on samples collections.
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Jiang, YL., Huang, Z., Liao, JQ. et al. Phylogenetic analysis of IRIS L. from China on chloroplast TRNL-F sequences. Biologia 73, 459–466 (2018). https://doi.org/10.2478/s11756-018-0063-0
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DOI: https://doi.org/10.2478/s11756-018-0063-0