{"title":"<i>Sedumsimingshanense</i> (Crassulaceae), a new species from Zhejiang, East China.","authors":"Shi-Qi She, Yang Zhang, Xin Zhou, Ya-Jun Peng, Shen-Hao Yao, Xing-Xing Zhao, Jia Yang, Yue-Liang Xu","doi":"10.3897/phytokeys.251.125595","DOIUrl":null,"url":null,"abstract":"<p><p>In this paper, <i>Sedumsimingshanense</i> <b>sp. nov.</b> is described as a new species based on morphological and molecular analyses, and its taxonomic relationships are discussed. Morphological analysis indicates <i>S.simingshanense</i> should be classified in the genus Sedumsect.Sedum and is distinct from the related species <i>S.xunvense</i> and <i>S.formosanum</i> in the morphology of its solitary, light green and smooth stems, flattened leaves, larger, obovate and spurless sepals, yellow anthers, 22-30 ovules per carpel, oblique follicles, and its habitat on shaded slopes or rocks. Phylogenetic analysis of sequences of the nuclear ribosomal internal transcribed spacer (ITS) also demonstrates that <i>S.simingshanense</i> has a highest similarity of only 97.22% with any known species and <i>S.formosanum</i> is the closest extant relative of the new species.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"251 ","pages":"23-35"},"PeriodicalIF":1.3000,"publicationDate":"2025-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11742097/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"PhytoKeys","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.3897/phytokeys.251.125595","RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/1/1 0:00:00","PubModel":"eCollection","JCR":"Q3","JCRName":"PLANT SCIENCES","Score":null,"Total":0}
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Abstract
In this paper, Sedumsimingshanensesp. nov. is described as a new species based on morphological and molecular analyses, and its taxonomic relationships are discussed. Morphological analysis indicates S.simingshanense should be classified in the genus Sedumsect.Sedum and is distinct from the related species S.xunvense and S.formosanum in the morphology of its solitary, light green and smooth stems, flattened leaves, larger, obovate and spurless sepals, yellow anthers, 22-30 ovules per carpel, oblique follicles, and its habitat on shaded slopes or rocks. Phylogenetic analysis of sequences of the nuclear ribosomal internal transcribed spacer (ITS) also demonstrates that S.simingshanense has a highest similarity of only 97.22% with any known species and S.formosanum is the closest extant relative of the new species.
期刊介绍：
PhytoKeys is a peer-reviewed, open-access, online and print, rapidly produced journal launched to support free exchange of ideas and information in systematic botany.
All papers published in PhytoKeys can be freely copied, downloaded, printed and distributed at no charge for the reader. Authors are thus encouraged to post the pdf files of published papers on their homepages or elsewhere to expedite distribution. There is no charge for color.
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