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      Pternopetalum paucifoliolatum (Apiaceae), a new Critically Endangered species from Sichuan, China

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          Abstract

          Pternopetalum paucifoliolatum , a new species from Sixigou Scenic Area, Emeishan City, Sichuan Province, is proposed and described. Diagnostic morphological characters, full description, detailed illustrations, and a distribution map are provided. The new species is similar to P. porphyronotum in possessing the 1-pinnate leaves and the abaxially purple-red leaflets, but differs from the latter by shorter stature, fewer leaflets ((1–) 3–7) and rays (5–8), the leaflet margin white-ciliate. The new species, which is assessed as Critically Endangered (CR), was only found on limestone cliffs. We also provide a new key to the species of Pternopetalum .

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          Most cited references 7

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          Pternopetalum monophyllum (Apiaceae), a new species from Sichuan, China.

           JB Tan,  ZX Wang,  HY HU (2014)
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            On the identity of Pternopetalum botrychioides (Apiaceae), introducing P. latipinnulatum comb. et stat. nov.

             JB Tan,  XG Ma,  L. Zhang (2015)
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              Pternopetalum porphyronotum (Apiaceae), a new Critically Endangered species with abaxially purple leaflets from Sichuan, China

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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
                12 November 2020
                : 166
                : 97-103
                Affiliations
                [1 ] Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
                [2 ] State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
                [3 ] College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
                [4 ] Guangxi Guijiang Forestry Surveying & Planning & Designing Co., Ltd, Nanning 530022, China
                [5 ] Emei Mountain Biotic Resource Experimental Station, Emeishan 614201, China
                Author notes
                Corresponding author: Jian-Fei Ye ( yejf@ 123456ibcas.ac.cn )

                Academic editor: A. Sennikov

                Article
                54646
                10.3897/phytokeys.166.54646
                7679346
                Jian-Fei Ye, Liang Chen, Zhang-Jian Shan, Xiao-Jie Li, Ce-Hong Li

                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.

                Funding
                Funded by: National Natural Science Foundation of China 501100001809 http://doi.org/10.13039/501100001809
                Categories
                Research Article
                Apiaceae
                Biodiversity & Conservation
                Nomenclature
                Taxonomy
                Asia

                Plant science & Botany

                conservation, limestone, rare species, umbelliferae

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