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      Michaelmoelleria (Gesneriaceae), a new lithophilous dwelling genus and species with zigzag corolla tube from southern Vietnam

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          Abstract

          Michaelmoelleria , a new genus from southern Vietnam is described with a single species, M. vietnamensis . The new genus is morphologically most similar to Deinostigma and Tribounia but it differs from the latter two by having four fertile stamens. Nuclear ribosomal internal transcribed spacer (ITS) region and plastid trnL-F intron spacer ( trnL-F) DNA sequence data from the new genus and eighty-seven species representing 42 genera within tribe Didymocarpeae are used to resolve its generic placement. The molecular evidence reveals that it is most closely related to Cathayanthe rather than Deinostigma and Tribounia . The chromosome number is counted as 2n = 36 that further clarified its distinction comparing to the related genera within tribe Didymocarpeae. A global conservation assessment is also performed and classifies Michaelmoelleria vietnamensis as Critically Endangered (CR).

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          Most cited references 29

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          Molecular systematics and remodelling of Chirita and associated genera (Gesneriaceae)

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            A new delineation for Oreocharis incorporating an additional ten genera of Chinese Gesneriaceae

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              A new definition of the genus Petrocodon (Gesneriaceae)

               A. Weber,  Y. Wei,  C Puglisi (2011)
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                Author and article information

                Contributors
                Journal
                PhytoKeys
                PhytoKeys
                3
                urn:lsid:arphahub.com:pub:F7FCE910-8E78-573F-9C77-7788555F8AAD
                PhytoKeys
                Pensoft Publishers
                1314-2011
                1314-2003
                2020
                08 May 2020
                : 146
                : 89-107
                Affiliations
                [1 ] Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guilin Botanical Garden, Guangxi Institute of Botany, Guangxi Zhuangzu Autonomous Region and Chinese Academy of Sciences, Guilin 541006, China
                [2 ] Gesneriad Conservation Center of China (GCCC), Guilin Botanical Garden, Chinese Academy of Sciences, Guilin 541006, China
                [3 ] Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
                [4 ] The Gesneriad Society, 2030 Fitzwater Street, Philadelphia, PA 19146, USA
                [5 ] Vietnam National Museum of Nature, Vietnam Academy of Science & Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam
                [6 ] Graduate University of Science and Technology, Vietnam Academy of Science & Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam
                Author notes
                Corresponding author: Truong Van Do ( dovantruong_bttn@ 123456yahoo.com ); Yi-Gang Wei ( weiyigang@ 123456aliyun.com )

                Academic editor: E. Fischer

                Article
                49731
                10.3897/phytokeys.146.49731
                7228932
                Fang Wen, Zi-Bing Xin, Long-Fei Fu, Shu Li, Lan-Ying Su, Stephen Maciejewski, Zhang-Jie Huang, Truong Van Do, Yi-Gang Wei

                This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                Categories
                Research Article
                Gesneriaceae
                Taxonomy

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