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An updated tribal classification of Lamiaceae based on plastome phylogenomics

2021    Zhao, Fei; Chen, Ya-Ping; Salmaki, Yasaman; Drew, Bryan T.; Wilson, Trevor C.; Scheen, Anne-Cathrine; Celep, Ferhat; Braeuchler, Christian; Bendiksby, Mika; Wang, Qiang; Min, Dao-Zhang; Peng, Hua; Olmstead, Richard G.; Li, Bo; Xiang, Chun-Lei

Background: A robust molecular phylogeny is fundamental for developing a stable classification and providing a solid framework to understand patterns of diversification, historical biogeography, and character evolution. As the sixth largest angiosperm family, Lamiaceae, or the mint family, consitutes a major source of aromatic oil, wood, ornamentals, and culinary and medicinal herbs, making it an exceptionally important group ecologically, ethnobotanically, and floristically. The lack of a reliable phylogenetic framework for this family has thus far hindered broad-scale biogeographic studies and our comprehension of diversification. Although significant progress has been made towards clarifying Lamiaceae relationships during the past three decades, the resolution of a phylogenetic backbone at the tribal level has remained one of the greatest challenges due to limited availability of genetic data.