A preliminary phylogenetic study of Paraphlomis (Lamiaceae) based on molecular and morphological evidence

doi:10.1016/j.pld.2021.03.002

Plant Diversity ›› 2021, Vol. 43 ›› Issue (03): 206-215.DOI: 10.1016/j.pld.2021.03.002

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A preliminary phylogenetic study of Paraphlomis (Lamiaceae) based on molecular and morphological evidence

Ya-Ping Chen^a, Ang Liu^b, Xun-Lin Yu^b, Chun-Lei Xiang^a

a CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China;
b College of Forestry, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China

Received:2020-12-28 Revised:2021-03-17 Published:2021-06-28
Contact: Xun-Lin Yu, Chun-Lei Xiang
Supported by:
We would like to thank the staff of following herbaria for their warmly help in research facilities:BM, CDBI, E, GXMI, HIB, IBK, IBSC, K, KUN, KYO, MW, NAS, PE, SZ, TI. We are indebted to the Herbarium of Shanghai Chenshan Botanical Garden (CSH) and Dr. Xin Zhong for providing leaf material of Paraphlomis, to Mr. Xiong Li, Dr. Maxim Nuraliev, Dr. Zhu-Zhu Yang, Dr. Wei-Bin Xu, Dr. Lin-Bo Jia, Dr. Xin-Xin Zhu, Dr. Yi Yang, and Mr. Cun-Zhong Huang for their kind help with material collection, to the Big Data Platform for Ex Situ Plant Conservation, Dr. Ren-Bin Zhu, Mr. Ye-Chun Xu, Dr. XinXin Zhu, and Dr. Lin-Bo Jia for providing the photographs of Paraphlomis. Thanks also to Ms. Ling Wang from the Kunming Institute of Botany for her line drawing of the new species. Our manuscript also benefitted greatly from the insightful comments of two anonymous reviewers. This work was supported by the National Natural Science Foundation of China (Grant No. 31872648), the Yunnan Fundamental Research Projects (Grant No. 2019FI009), and the "Ten Thousand Talents Program of Yunnan" (Grant No. YNWRQNBJ-2018-279) to CLX, the CAS "Light of West China" program to CLX and YPC, and the "Special Investigation on Wild Orchidaceae Plant Resources in Hunan Province" program (Grant No. 2020070711) to XLY.

Abstract

Abstract: Paraphlomis is a genus of Lamiaceae with about 30 species distributed mainly in subtropical China. In this study, we carried out the first molecular phylogenetic analyses to elucidate the relationships within the genus based on two nuclear and four plastid DNA regions. Our results, which recovered a species of Matsumurella within Paraphlomis, indicate that the genus is not monophyletic. The two sections and most of the series previously described within the genus are also shown to be polyphyletic. Combining with morphological evidence, our study indicates that nutlet morphology rather than calyx morphology is of phylogenetic value for the infrageneric classification of Paraphlomis. Moreover, P. jiangyongensis, a new species from southern China, is here described, and P. coronata, formerly treated as a variety of P. javanica, is here resurrected as a distinct species within the genus.

Key words: Ajugoides, Infrageneric classification, Matsumurella, Nutlet, Paraphlomideae

Ya-Ping Chen, Ang Liu, Xun-Lin Yu, Chun-Lei Xiang. A preliminary phylogenetic study of Paraphlomis (Lamiaceae) based on molecular and morphological evidence[J]. Plant Diversity, 2021, 43(03): 206-215.

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A preliminary phylogenetic study of Paraphlomis (Lamiaceae) based on molecular and morphological evidence

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