The Historical Changes in the Classification of Chinese Gesneriaceae：On the Analysis of New Taxonomic Group Qualifiedly Published in China and New Records of National Distribution of This Family

XIN ZIBING^{1， 2}，FU LONGFEI^{1， 2}，LI SHU^{1， 2}，WEN FANG^{1， 2， 3}

(1. Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain，Guangxi Institute of Botany，Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences，Guilin，Guangxi，541006，China;2. Gesneriad Conservation Center of China，Guilin Botanical Garden，CAS，Guilin，Guangxi，541006，China； 3.Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, ChineseAcademy of Sciences, Guangzhou，Guangdong，510650，China)

Abstract

The biodiversity of Gesneriaceae plants in China is very bountiful，and the ratio of endemic genera and species in this family is very high. Based on modern molecular systematics，the revision of the classification system of the genus Gesneriaceae has been large and frequent in recent years. The revision and re-revision (including cancelling，merging，removing and expanding) to genera/species of Chinese Gesneriaceae occur several times since 2011. So far，the latest systematic classification of Gesneriaceae plants in China has basically reflected the natural evolution in this family. In addition，in recent years，a large number of new taxonomic group in Gesneriaceae from China have been published，and from another aspect，it reflects that the species diversity of the genus Gesneriaceae in China still needs further to be studied. This paper summarized and sorted out the genus-level revision that involved Chinese Gesneriaceae plants since 2011，and explained and introduced in detail the new system framework at the subfamily level and the dismantling，merging，migrating and cancelling at the genus-level before and after the revision. The monograph，plants of Gesneriaceae in China，was a phased summary of the study on the biodiversity of Chinese Gesneriaceae before 2005. Based on this，we analyzed the new taxonomic group and the new records of national distribution of the Chinese Gesneriaceae from January 2005 to December 2018， and found that the Chinese Gesneriaceae plants added 194 species (including infraspecies，including new records of national distribution) than the 520 species (including infraspecies) reported in 2005.As of December 31，2018， the number of species of the Chinese Gesneriaceae had reached 714 (including infraspecies).

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