PhytoKeysPub Date : 2025-04-08eCollection Date: 2025-01-01DOI: 10.3897/phytokeys.255.140805
Dariganga Munkhtulga, Shukherdorj Baasanmunkh, Nudkhuu Nyamgerel, Jong Ho Park, Zagarjav Tsegmed, Komiljon Sh Tojibaev, Hyeok Jae Choi
{"title":"Morphological and phylogenetic analysis approach to three new species and a new section of <i>Astragalus</i> (Fabaceae) from Mongolia.","authors":"Dariganga Munkhtulga, Shukherdorj Baasanmunkh, Nudkhuu Nyamgerel, Jong Ho Park, Zagarjav Tsegmed, Komiljon Sh Tojibaev, Hyeok Jae Choi","doi":"10.3897/phytokeys.255.140805","DOIUrl":"https://doi.org/10.3897/phytokeys.255.140805","url":null,"abstract":"<p><p><i>Astragalus</i> L. is the largest genus worldwide, comprising more than 3,100 species belonging to 250 sections. In Mongolia, approximately 130 species, including 15 endemic and 25 subendemic species have been previously recognized from 42 sections and 6 subgenera. In this study, we investigated several species within section Laguropsis in Mongolia based on extensive morphological analyses and molecular evidence. Based on these results, we describe three new species and a new section. Two of the newly described species, <i>A.oyunicus</i> and <i>A.teshigicus</i>, belong to the section Laguropsis, whereas the remaining species, <i>A.uvsicus</i>, is the type species of the new section Uvsicus. Furthermore, our findings revealed that (i) <i>A.tamiricus</i>, previously considered endemic to Mongolia, is an additional synonym of <i>A.laguroides</i>, and (ii) <i>A.gobi-altaicus</i>, previously a synonym of <i>A.laguroides</i>, is an independent species. Finally, we provide taxonomic nomenclature, morphological observations, distribution maps and wild photo illustrations of each species.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"255 ","pages":"51-73"},"PeriodicalIF":1.3,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12000814/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144037311","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}
{"title":"<i>Sinosasadamingshanensis</i> (Poaceae, Bambusoideae), a new combination supported by morphological and molecular evidence.","authors":"Yi-Ting Zhang, Shu-Yan Lin, Zheng-Yang Niu, Wei-Xin Jiang, Nian-He Xia, Yu-Long Ding","doi":"10.3897/phytokeys.255.148471","DOIUrl":"https://doi.org/10.3897/phytokeys.255.148471","url":null,"abstract":"<p><p>Morphological characteristics and phylogenetic analyses clearly revealed that <i>Chimonobambusadamingshanensis</i> should be a member of the genus <i>Sinosasa</i>, rather than <i>Chimonobambusa</i>, and is a distinct species close to <i>Sinosasahuapingensis</i> and <i>S.mingyueshanensis</i>. Morphologically, it differs from all the other known <i>Sinosasa</i> species by internodes initially with white pubescent, culm leaf auricles absent and triangularly subulate sheath blades, characteristics that are unusual in this genus. And this morphological distinction warrants recognition of <i>Ch.damingshanensis</i> as a new combination of <i>Sinosasa</i>.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"255 ","pages":"41-50"},"PeriodicalIF":1.3,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12000816/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143975199","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}
PhytoKeysPub Date : 2025-04-04eCollection Date: 2025-01-01DOI: 10.3897/phytokeys.255.140014
Jacob Bryant, Mariana Vazquez-Alonso, Eric J Tepe
{"title":"Pollen and morphometric analysis reveal <i>Solanumtavinuuyuku</i> (Solanaceae), a new dioecious species from Mesoamerican Solanumsect.Anarrhichomenum.","authors":"Jacob Bryant, Mariana Vazquez-Alonso, Eric J Tepe","doi":"10.3897/phytokeys.255.140014","DOIUrl":"https://doi.org/10.3897/phytokeys.255.140014","url":null,"abstract":"<p><p><i>Solanumtavinuuyuku</i>, of the Sierra Madre del Sur ecoregion of South-Central Mexico, is a viny, node-rooting species of the Potato clade, in the subclade Solanumsect.Anarrhichomenum. <i>Solanumtavinuuyuku</i> is distinguished from its relatives by possessing long and narrow, lanceolate, ovate to falcate, 1-3-foliate leaves with (5-)7-10 secondary veins; large, persistent pseudo-stipules found at nearly every node on herbarium material; and white, violet-tinged corollas particularly pronounced in the floral bud. <i>Solanumtavinuuyuku</i> is functionally dioecious, producing functional, tricolporate pollen and non-functional, inaperturate pollen in short and long-styled flowers, respectively, joining its close relative <i>S.appendiculatum</i> as one of only two documented dioecious species in the entire Potato clade. Separation of <i>S.tavinuuyuku</i> from its closest ally, the simple-leaved <i>S.ionidium</i>, is based on morphometric and geographic evidence presented here.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"255 ","pages":"1-22"},"PeriodicalIF":1.3,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11992534/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144009971","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}
PhytoKeysPub Date : 2025-04-04eCollection Date: 2025-01-01DOI: 10.3897/phytokeys.255.151041
Álvaro J Pérez, Jorge Andrés Pérez-Zabala, Katya Romoleroux, David A Espinel-Ortiz, Chaquira Romoleroux, Natasha Albán-Vallejo
{"title":"A new cherry species (<i>Prunus</i>, Rosaceae) from south-western Ecuador.","authors":"Álvaro J Pérez, Jorge Andrés Pérez-Zabala, Katya Romoleroux, David A Espinel-Ortiz, Chaquira Romoleroux, Natasha Albán-Vallejo","doi":"10.3897/phytokeys.255.151041","DOIUrl":"https://doi.org/10.3897/phytokeys.255.151041","url":null,"abstract":"<p><p><i>Prunusluxurians</i>, a new species from Buenaventura Reserve at El Oro province in Ecuador is described and illustrated. Additionally, notes on its geographical distribution, ecology, conservation status, and taxonomic affinities are documented. <i>Prunusluxurians</i> has some vegetative and floral similarities with other Andean species, but the unique combination of oblong-lanceolate leaves with prominent secondary and tertiary veins, densiflorous floriferous shoots less than 5 cm long, sepals with two marginal glands and flowers with turbinate hypanthium clearly differentiates it from the rest. This is the first species of <i>Prunus</i> described from the western flank at elevation below 1500 m, and particularly from a humid spot surrounded by dry areas (Tumbesian influence). Other taxonomic novelties of <i>Prunus</i> on this flank can be expected, so further botanical exploration is needed to better understand the diversity of the genus in the region.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"255 ","pages":"23-34"},"PeriodicalIF":1.3,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11992535/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144041739","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}
{"title":"<i>Somnuekiaflaviflora</i> (Malvaceae, Brownlowioideae), a new genus and species from Thailand.","authors":"Porntawat Chalermwong, Sutee Duangjai, Aroon Sinbumroong, Theerawat Thananthaisong, Kunanon Daonurai, Anusara Kaewmuan, Manop Poopath, Wanwisa Bhuchaisri, Kusol Tangjaipitak, Bhanumas Chantarasuwan, Chatchai Ngernsaengsaruay, Sukid Rueangruea, Somran Suddee","doi":"10.3897/phytokeys.254.141219","DOIUrl":"https://doi.org/10.3897/phytokeys.254.141219","url":null,"abstract":"<p><p><i>Somnuekia</i> is described as a new genus of Malvaceae, currently known only from a few locations in the upper part of Tenasserim in northern and peninsular Thailand. Morphological and molecular phylogenetic analyses, based on plastid DNA sequence regions, support the recognition of this new genus within the Brownlowioideae (Malvaceae). Its distinct phylogenetic position, along with a distinct set of morphological and palynological characteristics, strongly support the recognition of <i>Somnuekia</i> as a new genus. A formal description of <i>Somnuekiaflaviflora</i> is provided along with illustrations, photographs, a distribution map and conservation notes. Furthermore, this new genus is compared to other Asian genera within the subfamily.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"254 ","pages":"221-243"},"PeriodicalIF":1.3,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11986429/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143976333","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}
{"title":"<i>Liliumbrunneum</i> (Liliaceae): a newly discovered species in north-western Yunnan, China.","authors":"Ting Wang, Xiuying Shen, De Wang, Ying Zhao, Xiaomei Qu, Yundong Gao","doi":"10.3897/phytokeys.254.147769","DOIUrl":"https://doi.org/10.3897/phytokeys.254.147769","url":null,"abstract":"<p><p><i>Liliumbrunneum</i> represents a newly discovered and described lily species with a limited distribution in isolated alpine regions of north-western Yunnan, China. The recognition of this new species as a distinct entity is supported by both morphological and molecular data. Furthermore, the investigation of this region, identified as a 'hotspot' due to its high diversity and endemicity within the genus <i>Lilium</i>, is anticipated to provide greater insight into the processes of speciation and the maintenance of species boundaries in this genus. Further fieldwork aimed at exploring these regions is expected to discover additional new species and therefore warrants special attention and resources.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"254 ","pages":"201-219"},"PeriodicalIF":1.3,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11986428/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144027622","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}
{"title":"<i>Impatiensmaolanensis</i> (Balsaminaceae), a new species of <i>Impatiens</i> in a tiankeng from Guizhou, China.","authors":"Bai-Zhu Li, Qin-Ying Wen, Jin-Dong Wang, Xiao-Xiang Huang, Zhi-Bin Xiong, Zhi-Juan Deng, Yin Yi, Xiao-Xin Tang","doi":"10.3897/phytokeys.254.142981","DOIUrl":"https://doi.org/10.3897/phytokeys.254.142981","url":null,"abstract":"<p><p><i>Impatiensmaolanensis</i> Z.B.Xiong & Q.Y.Wen (Balsaminaceae), a new species of Impatienssubg.Clavicarpa from Maolan National Nature Reserve, Guizhou, China, is described. The new species grows in a tiankeng (a large, naturally formed pit) connected to a dried-up underground river. <i>I.maolanensis</i> is similar to <i>I.auriculata</i> Chang Y. Xia & S. X. Yu, <i>I.liboensis</i> K. M. Liu & R. P. Kuang and <i>I.tianlinensis</i> S. X. Yu & L. J. Zhang, but differs from the latter three species in terms of orange-red flowers, roots, stems, bracts, dorsal petals, lateral sepals, lower sepals, pollen grains and seeds micromorphology. The micromorphological characteristics and surface patterning of pollen grains and seeds of the new species were examined using scanning electron microscopy (SEM). Pollen grains of <i>I.maolanensis</i> are triangular-round in polar view and elliptical in equatorial view. The pollen exine has an irregular and relatively smooth reticulate ornamentation, and under high magnification, granular protrusions can be observed. Seeds of <i>I.maolanensis</i> are black and narrowly ellipsoid. The seed coat has reticulate ornamentation with slightly sunken meshes, folded base, and granular protrusions within the meshes. Morphological and micromorphology evidence support the establishment of the new species. Our study provides detailed information on the new species, including morphological characteristics, phenology, photographs, palynology, seed micromorphology, etymology, habitat and distribution, and conservation assessment.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"254 ","pages":"189-200"},"PeriodicalIF":1.3,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11979615/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144027620","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}
PhytoKeysPub Date : 2025-03-31eCollection Date: 2025-01-01DOI: 10.3897/phytokeys.254.136085
Mat Yunoh Siti-Munirah, Shakri Mohamad Alias
{"title":"<i>Thismiaaliasii</i> (Thismiaceae), a new species from Terengganu, Peninsular Malaysia.","authors":"Mat Yunoh Siti-Munirah, Shakri Mohamad Alias","doi":"10.3897/phytokeys.254.136085","DOIUrl":"10.3897/phytokeys.254.136085","url":null,"abstract":"<p><p>A new mycoheterotrophic species, <i>Thismiaaliasii</i>, is described and illustrated. This species inhabits a hill dipterocarp forest in mountains of eastern Peninsular Malaysia. <i>Thismiaaliasii</i> differs from other <i>Thismia</i> species by the following features: tepals equal in size and shape with different length of their appendages, appendages of the outer tepals shorter than those of the inner tepals (3.5 mm vs. ca. 26-32 mm long), stamen supraconnective at apex with three long filiform appendages and two acute appendages, and the margins of individual connectives abaxially raised into a conspicuous rib. With respect to floral morphology, <i>T.aliasii</i> should be placed to Thismiasubsect.Odoardoa. According to the categories and criteria of the IUCN Red List, <i>T.aliasii</i> is provisionally classified as Critically Endangered (CR).</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"254 ","pages":"175-188"},"PeriodicalIF":1.3,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11976305/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143812149","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}
{"title":"<i>Pyruszhaoxuanii</i> (Rosaceae), A new pear species from Danxiashan Mountain, Guangdong, China.","authors":"Xiao-Wei Yi, Ying-Yu Wu, Qiang Fan, Fang Chen, Zai-Xiong Chen, Bin-Bin Liu, Cui-Ying Huang","doi":"10.3897/phytokeys.254.138039","DOIUrl":"10.3897/phytokeys.254.138039","url":null,"abstract":"<p><p><i>Pyruszhaoxuanii</i> is described as a new species from Guangdong Province, China, within the genus <i>Pyrus</i>, specifically under P.subg.Pashia. Although it shares morphological similarities with <i>P.calleryana</i>, <i>P.zhaoxuanii</i> can be distinguished by its uniquely small, obovate, leathery leaves, which have an obtuse apex and short petioles. A phylogenetic analysis based on single nucleotide polymorphisms (SNPs) indicated that <i>P.zhaoxuanii</i> forms an independent branch within <i>Pyrus</i> and is categorized in the Oriental clade, P.subg.Pashia. Currently, this species has only been recorded in the Danxiashan National Nature Reserve. Considering its potential distribution and population size, we recommend classifying this species as Least Concern (LC) according to the IUCN Red List classifications and criteria.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"254 ","pages":"161-173"},"PeriodicalIF":1.3,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11971636/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143796042","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}
{"title":"Resolving a nearly 95-year-old enigma: Transfer of the little-known Japanese moss <i>Arctoaschistioides</i> to <i>Kiaeriafalcata</i> (Rhabdoweisiaceae, Bryophyta).","authors":"Wen-Zhuan Huang, Jia-Yi Zheng, Xin-Rui Xia, Xin-Yin Ma, Tian-Xiong Zheng, Yu-Huan Wu","doi":"10.3897/phytokeys.254.141498","DOIUrl":"10.3897/phytokeys.254.141498","url":null,"abstract":"<p><p>Taxonomic uncertainties regarding rare species often impede effective biodiversity conservation. One such taxonomic uncertainty is the 95-year-old mystery surrounding <i>Arctoaschistioides</i> (Broth. ex Ihsiba) Ihsiba. Since its initial publication in 1929, this species has not been subjected to any further discoveries and is, thus, classified as \"doubtful taxa\" or \"insufficiently known taxa\" to date. Assessing the taxonomic status of this species is essential for determining whether a conservation strategy should be implemented. In this study, we examined the holotype of <i>A.schistioides</i> and treated this species as a new synonym of <i>Kiaeriafalcata</i> (Hedw.) I.Hagen, a widely distributed species in the Northern Hemisphere, by providing detailed description, illustration and taxonomic notes. Our findings not only resolve this long-standing mystery, but also enhance our understanding of Japanese mosses and the global distribution of bryophytes.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"254 ","pages":"151-159"},"PeriodicalIF":1.3,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11971638/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143796045","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}