{"title":"<i>Angiopterisnodosipetiolata</i> (Marattiaceae), a new fern species from Yunnan, China.","authors":"Ting Wang, Tuo Yang, Jin-Guo Zhang, Gui-Liang Zhang, Shi-Wei Yao, Jian-Ying Xiang, Yue-Hong Yan, Hong-Feng Chen","doi":"10.3897/phytokeys.241.115175","DOIUrl":null,"url":null,"abstract":"<p><p><i>Angiopterisnodosipetiolata</i> Ting Wang tris, H.F.Chen & Y.H.Yan, a new fern of Marattiaceae, is described and illustrated. Morphologically, <i>A.nodosipetiolata</i> is similar to <i>A.chingii</i> with more than one naked pulvinus on the stipe and numerous jointed hairs on the undersides of the mature pinnae. However, the pinnae of <i>A.nodosipetiolata</i> are lanceolate and can reach up to 4-6 pairs, whereas they are elliptic and occur in 2-3 pairs in <i>A.chingii</i>. Phylogenetic and genetic distance analysis, based on the plastid genomes, also indicates that <i>A.nodosipetiolata</i> is not closely related to <i>A.chingii</i>. Currently, there are ca. 500 mature individuals in Gulinqing Nature Reserve and we suggest <i>A.nodosipetiolata</i> should be categorised as an Endangered (EN) species according to the criteria of IUCN.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"241 ","pages":"177-189"},"PeriodicalIF":1.5000,"publicationDate":"2024-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11077261/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"PhytoKeys","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.3897/phytokeys.241.115175","RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/1/1 0:00:00","PubModel":"eCollection","JCR":"Q3","JCRName":"PLANT SCIENCES","Score":null,"Total":0}
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Abstract
Angiopterisnodosipetiolata Ting Wang tris, H.F.Chen & Y.H.Yan, a new fern of Marattiaceae, is described and illustrated. Morphologically, A.nodosipetiolata is similar to A.chingii with more than one naked pulvinus on the stipe and numerous jointed hairs on the undersides of the mature pinnae. However, the pinnae of A.nodosipetiolata are lanceolate and can reach up to 4-6 pairs, whereas they are elliptic and occur in 2-3 pairs in A.chingii. Phylogenetic and genetic distance analysis, based on the plastid genomes, also indicates that A.nodosipetiolata is not closely related to A.chingii. Currently, there are ca. 500 mature individuals in Gulinqing Nature Reserve and we suggest A.nodosipetiolata should be categorised as an Endangered (EN) species according to the criteria of IUCN.
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.
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