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Persicariazhenaiguoi (Polygonaceae, Persicarieae), an overlooked new species from Dabie Mountains, central China.
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.
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.
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.
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.
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).
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.
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
Oviculabiradiata, a new genus of Compositae from Big Bend National Park in Trans-Pecos Texas.
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-18 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.137624
Debra L Manley, Isaac H Lichter Marck, Keily Peralta, Arturo Castro Castro, Kelsey A Wogan, Carolyn V Whiting, A Michael Powell
{"title":"<i>Oviculabiradiata</i>, a new genus of Compositae from Big Bend National Park in Trans-Pecos Texas.","authors":"Debra L Manley, Isaac H Lichter Marck, Keily Peralta, Arturo Castro Castro, Kelsey A Wogan, Carolyn V Whiting, A Michael Powell","doi":"10.3897/phytokeys.252.137624","DOIUrl":"10.3897/phytokeys.252.137624","url":null,"abstract":"<p><p>Here, we describe and illustrate a new monospecific genus of Compositae, <i>Oviculabiradiata</i> <b>gen. et sp. nov.</b>, from the Chihuahuan Desert in Big Bend National Park, Texas. <i>Oviculabiradiata</i> is a very locally abundant, yet range-limited, spring annual herb found in coarse calcareous alluvium. Based on its pistillate ray florets, pappus of hyaline, aristate scales, tomentose foliage and slightly saucer-shaped to flat, epaleate receptacle, we determine that the new species has affinities with the Helenioid subtribe Tetraneurinae in the Heliantheae alliance. Molecular phylogenetic analysis of nrDNA (ITS) sequence data supports the phylogenetic position of <i>Oviculabiradiata</i> within the subtribe Tetranuerinae, where it is resolved as the sister lineage to the genus <i>Psilostrophe</i>. We also present detailed habitat information, high-resolution images captured using a dissecting microscope and scanning electron micrographs of vegetative and reproductive characters of <i>Oviculabiradiata</i> and related taxa, as well as provide an updated key to the genera of Tetraneurinae. Finally, we discuss the significance of this remarkable discovery for community science, biodiversity exploration and plant conservation in the Chihuahuan Desert.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"141-162"},"PeriodicalIF":1.3,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11862897/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143516390","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
Two new species of Ocotea (Lauraceae) with clustered leaves from the Uxpanapa region, Mexico. 墨西哥 Uxpanapa 地区的两种叶片成簇的 Ocotea（月桂科）新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-14 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.132953
Leopoldo Hurtado-Reveles, Andrés Ernesto Ortiz-Rodriguez
{"title":"Two new species of <i>Ocotea</i> (Lauraceae) with clustered leaves from the Uxpanapa region, Mexico.","authors":"Leopoldo Hurtado-Reveles, Andrés Ernesto Ortiz-Rodriguez","doi":"10.3897/phytokeys.252.132953","DOIUrl":"10.3897/phytokeys.252.132953","url":null,"abstract":"<p><p>Two new species of <i>Ocotea</i> (Lauraceae) from Southern Mexico are described and illustrated. Based on their floral morphology, vegetative indument, and micromorphological attributes, both species are circumscribed within the <i>Ocoteahelicterifolia</i> group. Within this clade, the two species are morphologically similar to those with clustered leaves. Both species are endemic to the species-rich yet fragmented forests of the Uxpanapa region in Mexico, and therefore, their populations are threatened. Here, the morphological similarities of both species and their conservation status are discussed.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"125-139"},"PeriodicalIF":1.3,"publicationDate":"2025-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11845985/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143483914","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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