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A synopsis of Christiana DC. (Malvaceae, Brownlowioideae), with a new species from the Brazilian Atlantic Forest. A克里斯蒂安娜DC简介。（malvacae, brownlowiideae），与来自巴西大西洋森林的一新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-28 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.253.145350
Thales Silva Coutinho, Rafael G Barbosa-Silva, Laurence J Dorr
{"title":"A synopsis of <i>Christiana</i> DC. (Malvaceae, Brownlowioideae), with a new species from the Brazilian Atlantic Forest.","authors":"Thales Silva Coutinho, Rafael G Barbosa-Silva, Laurence J Dorr","doi":"10.3897/phytokeys.253.145350","DOIUrl":"10.3897/phytokeys.253.145350","url":null,"abstract":"<p><p>A taxonomic synopsis is provided for the genus <i>Christiana</i>, with emphasis on the American species. Full synonymies, typifications, comments about distribution, and notes on main diagnostic characteristics, as well as conservation status and phenology, are provided. We describe a new species, <i>C.restingae</i> T.S. Cout., Barb.Silva & Dorr, <b>sp. nov</b>. With this addition, <i>Christiana</i> now comprises six species, with its center of richness in South America, where five species occur. The new species is endemic to Brazil where it is known only from Atlantic Forest and Restinga in the states of Espírito Santo and Rio de Janeiro, and is preliminarily assessed as Critically Endangered. Illustrations, images, a distribution map, SEM images of vegetative and reproductive structures, taxonomic comments, and information about the ecology and conservation of <i>C.restingae</i> are provided. Furthermore, the distribution and introduction of <i>C.africana</i> in the Americas is discussed. A total of eight names of <i>Christiana</i> species or synonyms described in four other genera (<i>Berrya</i>, <i>Carpodiptera</i>, <i>Entelea</i>, and <i>Speirostyla</i>) are lectotypified.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"253 ","pages":"33-56"},"PeriodicalIF":1.3,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11889513/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143586659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Schnabeliajiuzhaigouensis (Lamiaceae, Ajugoideae), a new species from Sichuan, China. Schnabeliajiuzhaigouensis (Lamiaceae, Ajugoideae)，中国四川一新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-26 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.253.141697
Fei Zhao, Peng-Wei Gao, Ting Zhang, Cheng Liu, Chun-Lei Xiang
{"title":"<i>Schnabeliajiuzhaigouensis</i> (Lamiaceae, Ajugoideae), a new species from Sichuan, China.","authors":"Fei Zhao, Peng-Wei Gao, Ting Zhang, Cheng Liu, Chun-Lei Xiang","doi":"10.3897/phytokeys.253.141697","DOIUrl":"10.3897/phytokeys.253.141697","url":null,"abstract":"<p><p><i>Schnabeliajiuzhaigouensis</i> C. Liu, F. Zhao & C.L. Xiang, a new species from north-eastern Sichuan, China, is described, based on both morphological and molecular phylogenetic evidence. Morphologically, the new species is mostly similar to <i>S.terniflora</i>, but can be readily distinguished by its habit, ovate to lanceolate-ovate leaf blades, the presence of 5-8 lateral veins on each side of the mid-rib and distinct characteristics of the floral structure, including oblong upper lip and lateral lobes of the lower lip, with the middle lobe being cuneate. In addition, the nutlets are puberulent and lack reticulate venation. Molecular phylogenetic analyses place the new species at a basal position within the genus <i>Schnabelia</i>. The new species is categorised as Data Deficient (DD) according to the IUCN Red List Categories and Criteria. A key to all species of <i>Schnabelia</i> is also provided.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"253 ","pages":"21-32"},"PeriodicalIF":1.3,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11883466/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143573395","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Persicariazhenaiguoi (Polygonaceae, Persicarieae), an overlooked new species from Dabie Mountains, central China. Persicariazhenaiguoi（蓼科，桃科），中国中部大别山一个被忽视的新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-25 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.253.144408
Yi-Ming Wei, Zhen-Hua Zhu, Shu-Qing Lei, Bo Li
{"title":"<i>Persicariazhenaiguoi</i> (Polygonaceae, Persicarieae), an overlooked new species from Dabie Mountains, central China.","authors":"Yi-Ming Wei, Zhen-Hua Zhu, Shu-Qing Lei, Bo Li","doi":"10.3897/phytokeys.253.144408","DOIUrl":"10.3897/phytokeys.253.144408","url":null,"abstract":"<p><p><i>Persicariazhenaiguoi</i> Bo Li, a remarkable new species discovered from the summit of Tiantangzhai Peak of Dabie Mountains in Hubei Province, central China, is described and illustrated. Based on its spicate inflorescences, ciliate ocreae, and the absence of prickles, the species is placed in P.sect.Persicaria. Within this section, <i>P.zhenaiguoi</i> most resembles <i>P.orientalis</i> and <i>P.viscosa</i> in gross morphology, particularly in the presence of densely spreading villus throughout. However, the new species can be easily distinguished from these two similar taxa by its nearly sessile leaves, which are lanceolate in shape with broadly cuneate to rounded bases, membranous ocrea with a small circle of green leaf-like wing, sparse and interrupted inflorescences, glabrous peduncles, greenish tepals, and ovoid achenes with grooved surfaces. Diagnostic characteristics, along with comparative photographs of the three related species, are provided, as well as a detailed morphological description and information on the distribution and habitat of the new species.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"253 ","pages":"11-19"},"PeriodicalIF":1.3,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11880815/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143573407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Euonymuspushpagiriensis (Celastraceae), a new species from the central Western Ghats of Karnataka, India. Euonymuspushpagiriensis (Celastraceae)，一新种，产于印度卡纳塔克邦中西部高止山脉。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-25 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.253.138418
Navendu V Page, Tejas U Thackeray
{"title":"<i>Euonymuspushpagiriensis</i> (Celastraceae), a new species from the central Western Ghats of Karnataka, India.","authors":"Navendu V Page, Tejas U Thackeray","doi":"10.3897/phytokeys.253.138418","DOIUrl":"10.3897/phytokeys.253.138418","url":null,"abstract":"<p><p><i>Euonymuspushpagiriensis</i> <b>sp. nov.</b>, an understorey tree species from the montane (Shola) forests of Kodagu District of Karnataka is described and illustrated. The species is morphologically distinct from all other species of <i>Euonymus</i> reported from the Western Ghats and the rest of India, in having sub-sessile, ovate leaves with rounded to sub-cordate leaf base. This species is, so far, known from the Kodagu District of the State of Karnataka.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"253 ","pages":"1-9"},"PeriodicalIF":1.3,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11880816/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143573402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Orobancheandryalae (Orobanchaceae): a new species from the Canary Islands. Orobancheandryalae（桔梗科）：来自加那利群岛的一新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-20 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.141300
Chris J Thorogood, Matías Hernández González, Fred J Rumsey, Jorge Alfredo Reyes-Betancort
{"title":"<i>Orobancheandryalae</i> (Orobanchaceae): a new species from the Canary Islands.","authors":"Chris J Thorogood, Matías Hernández González, Fred J Rumsey, Jorge Alfredo Reyes-Betancort","doi":"10.3897/phytokeys.252.141300","DOIUrl":"https://doi.org/10.3897/phytokeys.252.141300","url":null,"abstract":"<p><p>A new species of <i>Orobanche</i> is described from the Canary Islands. The plant belongs to the complicated Subsection Minores and has a distinct combination of morphological features, ecology, and host specificity. The markedly cernuous corolla, high filament insertion and colouration distinguishes <i>Orobancheandryalae</i> from closely related species with which it has been previously confused, and which do not occur in the Canary Islands, including O.amethysteasubsp.castellana and <i>O.calendulae</i>; these features remain stable in cultivation. <i>Orobancheandryalae</i> appears to be parasitic almost exclusively on <i>Andryala</i> spp., and occurs on thermophilus volcanic substrates in northern Lanzarote, northwest Tenerife and Jandía in Fuerteventura. An updated key to the <i>Orobanche</i> of the Canary Islands is presented, including the new taxon we describe here.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"275-285"},"PeriodicalIF":1.3,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11868799/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143543082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new species of Sedum (Crassulaceae, Saxifragineae) from Guangxi, China. A广西景天属（石竹科，石竹科）新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-20 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.128011
Chun-Yu Zou, Tao Meng, Shi-Yong Meng, Yan Liu
{"title":"A new species of <i>Sedum</i> (Crassulaceae, Saxifragineae) from Guangxi, China.","authors":"Chun-Yu Zou, Tao Meng, Shi-Yong Meng, Yan Liu","doi":"10.3897/phytokeys.252.128011","DOIUrl":"https://doi.org/10.3897/phytokeys.252.128011","url":null,"abstract":"<p><p>A new species, <i>Sedumguangxiense</i> <b>sp. nov.</b>, discovered in Guangxi Province, China, is described and illustrated. Molecular phylogenetic analyses and morphological differences indicate that this species is well separated from its close relatives in <i>Sedum</i>, justifying its recognition as a distinct new species. Morphologically, it closely resembles <i>Sedumtosaense</i> and <i>S.emarginatum</i> in its leaf shape, inflorescence type and life form, but it can be easily distinguished in its erect stems when young, much larger leaves, narrowly triangular petals, ovate nectar scales and oblong anthers.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"287-299"},"PeriodicalIF":1.3,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11868805/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143543095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sinoseneciotongziensis (Asteraceae), a new species from north Guizhou, China. 中国贵州北部的新种 Sinoseneciotongziensis（菊科）。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-20 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.141719
Ren-Bo Zhang, Tan Deng, Ying Liu, Da-Jun Xie, Ruo-Xun Wei, Lin He, Quan-Li Dou, Zheng-Min Qian
{"title":"<i>Sinoseneciotongziensis</i> (Asteraceae), a new species from north Guizhou, China.","authors":"Ren-Bo Zhang, Tan Deng, Ying Liu, Da-Jun Xie, Ruo-Xun Wei, Lin He, Quan-Li Dou, Zheng-Min Qian","doi":"10.3897/phytokeys.252.141719","DOIUrl":"https://doi.org/10.3897/phytokeys.252.141719","url":null,"abstract":"<p><p><i>Sinoseneciotongziensis</i> R.B.Zhang, Tan Deng & Ying Liu (Asteraceae), a new species from Tongzi County in northern Guizhou, China, is described and illustrated. It closely resembles <i>S.changii</i> in the subscapigerous habit, ovate-oblong and pinnately veined leaf lamina, and simple to compound terminal corymbs, yet differs markedly by the texture of leaf lamina (membranous vs. papery), the number of lateral veins (8-10 vs. 10-18), and the indumentum on the stems, leaves, and inflorescences (pubescent with 2-5 mm long, uniseriate, spreading hairs vs. sparsely white arachnoid to densely white tomentose). Phylogenetic analysis indicates that <i>S.tongziensis</i> is related to <i>S.bodinieri</i>, <i>S.nanchuanicus</i>, <i>S.confervifer</i>, and S.globigervar.adenophyllus.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"187-196"},"PeriodicalIF":1.3,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11868800/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143543093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Taxonomic revision and phylogenetic relationships of Thinouia (Sapindaceae), a neotropical genus. Taxonomic新热带属藜属的修正及系统发育关系。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-20 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.129621
Herison Medeiros, Pedro Acevedo-Rodríguez, Jenifer de Carvalho Lopes, Rafaela Campostrini Forzza
{"title":"Taxonomic revision and phylogenetic relationships of <i>Thinouia</i> (Sapindaceae), a neotropical genus.","authors":"Herison Medeiros, Pedro Acevedo-Rodríguez, Jenifer de Carvalho Lopes, Rafaela Campostrini Forzza","doi":"10.3897/phytokeys.252.129621","DOIUrl":"https://doi.org/10.3897/phytokeys.252.129621","url":null,"abstract":"<p><p>A taxonomic revision of <i>Thinouia</i> (Sapindaceae) is presented, including typification and descriptions for all accepted species. Phylogenetic analyses based on molecular data confirm that the genus is monophyletic and suggest two main clades with <i>T.cazumbensis</i> sister to the other species of the genus. Thirteen species of <i>Thinouia</i> are accepted, including a new species from Amazonia. The genus is distributed across continental tropical America, with its highest diversity found in South America. Its species can be distinguished by morphological details of leaves, indumentum, inflorescences, flowers, and fruits. We present a comprehensive review of the morphology and geographical distribution of the genus, along with an identification key, distribution maps, conservation risk assessments, illustrations, and comments on the ecology and taxonomy for all species, gathered from the literature and fieldwork.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"207-273"},"PeriodicalIF":1.3,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11868801/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143543099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the identity and typification of Violatenuis Bentham (Violaceae). On边沁堇菜（堇菜科）的鉴定与分型。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-20 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.138994
Yan-Shuang Huang, Stephan W Gale, Jinlong Zhang, Qiang Fan
{"title":"On the identity and typification of <i>Violatenuis</i> Bentham (Violaceae).","authors":"Yan-Shuang Huang, Stephan W Gale, Jinlong Zhang, Qiang Fan","doi":"10.3897/phytokeys.252.138994","DOIUrl":"https://doi.org/10.3897/phytokeys.252.138994","url":null,"abstract":"<p><p><i>Violatenuis</i> Benth. was first described by George Bentham in 1842, without any type specimen designated, but with a collection record by Richard Brinsley Hinds in 1841. Currently, <i>Violatenuis</i> is considered a synonym of another species according to Plants of the World Online (POWO). However, based on a combination of morphological and molecular evidence, we propose reinstating <i>Violatenuis</i> as a distinct species. Our analysis places it within Violasect.Plagiostigmasubsect.Diffusae, where it shows morphological similarities to five other species endemic to Guangdong Province, China. We designated the type of <i>V.tenuis</i> here and assigned additional KFBG specimens to the species.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"197-206"},"PeriodicalIF":1.3,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11868806/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143543097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
No end to endemism - contributions to the difficult Nasa Weigend Series Alatae (Loasaceae). A new species from Peru and the rehabilitation of " Loasa" calycina Benth. No结束地方性-对困难的Nasa Weigend系列Alatae （Loasaceae）的贡献。秘鲁一新种及“Loasa”萼花属的恢复。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-19 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.141635
Tilo Henning, Joshua P Allen, Daniel Montesinos-Tubeé, Eric F Rodríguez-Rodríguez, José Luis Marcelo Peña, Rafael Acuña-Castillo
{"title":"No end to endemism - contributions to the difficult <i>Nasa</i> Weigend Series <i>Alatae</i> (Loasaceae). A new species from Peru and the rehabilitation of \" <i>Loasa</i>\" <i>calycina</i> Benth.","authors":"Tilo Henning, Joshua P Allen, Daniel Montesinos-Tubeé, Eric F Rodríguez-Rodríguez, José Luis Marcelo Peña, Rafael Acuña-Castillo","doi":"10.3897/phytokeys.252.141635","DOIUrl":"10.3897/phytokeys.252.141635","url":null,"abstract":"<p><p>A new species of Nasaser.Alatae (Urban & Gilg) Weigend from Northern Peru is described and illustrated. <i>Nasakatjae</i> <b>sp. nov.</b> was at first encountered by an observation on iNaturalist and subsequently collected in the humid Andean forests near Colasay in the province of Jaén (Cajamarca, Peru). Whilst comparing the new species with closely related <i>Nasaloxensis</i> (Kunth) Weigend, a taxon widespread in Southern Ecuador (and tentatively adjacent Peru), a reevaluation of the status of earlier synonymized <i>Loasacalycina</i> Benth. became necessary. Consequently, <i>Nasacalycina</i> <b>comb. nov.</b> is rehabilitated at species level and <i>Nasaloxensis</i> is redefined.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"163-186"},"PeriodicalIF":1.3,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11865914/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143524129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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