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Festucasilana (Poaceae), a new species from the Sila plateau in Italy. Festucasilana（禾本科），意大利Sila高原一新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-04-10 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.255.146942
Mattia Pallanza, Simone Orsenigo, Nicola Maria Giuseppe Ardenghi, Liliana Bernardo, Petr Šmarda, Petra Šarhanová, Graziano Rossi, Bruno Foggi
{"title":"<i>Festucasilana</i> (Poaceae), a new species from the Sila plateau in Italy.","authors":"Mattia Pallanza, Simone Orsenigo, Nicola Maria Giuseppe Ardenghi, Liliana Bernardo, Petr Šmarda, Petra Šarhanová, Graziano Rossi, Bruno Foggi","doi":"10.3897/phytokeys.255.146942","DOIUrl":"https://doi.org/10.3897/phytokeys.255.146942","url":null,"abstract":"<p><p>A new hexaploid species of fine-leaved fescue from Festucasect.Festuca (<i>Festucasilana</i> Ardenghi, Pallanza & Foggi, <b>sp. nov.</b>) endemic to the Sila plateau is described. The new taxon shows morphological affinities with species of the <i>F.marginata</i> group from which it can be distinguished by higher ploidy, ecology, and leaf cross section anatomy. ddRADseq data suggests <i>F.silana</i> could be a local hexaploid descendant/derivate of the widespread diploid <i>F.marginata</i>. Its distribution is restricted to several localities in the Sila highlands of the Southern Apennines, Italy.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"255 ","pages":"85-102"},"PeriodicalIF":1.3,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12006820/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144037619","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
Syzygiumtriflorum (Myrtaceae), a new species from Vietnam. Syzygiumtriflorum（桃金娘科），越南一新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-04-10 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.255.143043
Dang Hung Cuong, Nguyen Thi Kim Thanh, Nguyen Huu Hiep, Dang Ngoc Huyen, Thanh Truong Hoang, Shuichiro Tagane
{"title":"<i>Syzygiumtriflorum</i> (Myrtaceae), a new species from Vietnam.","authors":"Dang Hung Cuong, Nguyen Thi Kim Thanh, Nguyen Huu Hiep, Dang Ngoc Huyen, Thanh Truong Hoang, Shuichiro Tagane","doi":"10.3897/phytokeys.255.143043","DOIUrl":"https://doi.org/10.3897/phytokeys.255.143043","url":null,"abstract":"<p><p><i>Syzygiumtriflorum</i> T.T.Hoang, Kim Thanh, S.Tagane & D.H.Cuong, <b>sp. nov.</b>, from Kon Chu Rang Nature Reserve, Vietnam, is described and illustrated. The new species is distinguished from related species, <i>Syzygiumskiophilum</i>, by its having 4-angled and reddish-grey twigs, oblong leaves with an attenuate apex, less secondary veins of 26-30 pairs, exclusively axillary inflorescences, lanceolate-ovate bracts, sessile flowers, obconical hypanthium (slightly pyriform in flower buds) and more stamens of 18-28. The flowers and fruits were observed in the rainy season, July 2024. This new species grows under a mixed broad-leaved and coniferous forest dominated by <i>Dacrydiumelatum</i> and <i>Dacrycarpusimbricatus</i>.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"255 ","pages":"75-83"},"PeriodicalIF":1.3,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12006818/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144026644","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
Lagerstroemiayangchunensis (Lythraceae), a new species from Guangdong, China. Lagerstroemiayangchunensis（蓟科），广东一新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-04-08 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.255.138826
Bao-Huan Wu, Xiu-Ting Liu, Zi-Yu Bao, Xiao-Yan Ma, Ying Chen, Guo-Di Chen, Xing Hu, Guo-Feng Liu, Se-Ping Dai
{"title":"<i>Lagerstroemiayangchunensis</i> (Lythraceae), a new species from Guangdong, China.","authors":"Bao-Huan Wu, Xiu-Ting Liu, Zi-Yu Bao, Xiao-Yan Ma, Ying Chen, Guo-Di Chen, Xing Hu, Guo-Feng Liu, Se-Ping Dai","doi":"10.3897/phytokeys.255.138826","DOIUrl":"https://doi.org/10.3897/phytokeys.255.138826","url":null,"abstract":"<p><p>A new species from southern China, <i>Lagerstroemiayangchunensis</i> B.H.Wu & G.D.Chen, <b>sp. nov.</b>, is described in the present paper. This species is morphologically similar to <i>L.duperreana</i> Pierre ex Gagnep., but can be distinguished by its coarse bark with vertical fissures, calyx lobes glabrous inside, and flowers with shorter pseudopedicels and petals with longer claws. Detailed morphological characteristics, habitat information, and comparisons with similar species are provided.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"255 ","pages":"35-40"},"PeriodicalIF":1.3,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12000815/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143977768","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
Morphological and phylogenetic analysis approach to three new species and a new section of Astragalus (Fabaceae) from Mongolia. 蒙古黄芪（豆科）三新种和一新种的系统发育分析。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-04-08 eCollection Date: 2025-01-01 DOI: 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}
引用次数: 0
Sinosasadamingshanensis (Poaceae, Bambusoideae), a new combination supported by morphological and molecular evidence. Sinosasadamingshanensis (Poaceae, Bambusoideae)，形态和分子证据支持的新组合。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-04-08 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.255.148471
Yi-Ting Zhang, Shu-Yan Lin, Zheng-Yang Niu, Wei-Xin Jiang, Nian-He Xia, Yu-Long Ding
{"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}
引用次数: 0
Pollen and morphometric analysis reveal Solanumtavinuuyuku (Solanaceae), a new dioecious species from Mesoamerican Solanumsect.Anarrhichomenum. Pollen和形态分析揭示了中美洲茄科（Solanumtavinuuyuku）雌雄异株新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-04-04 eCollection Date: 2025-01-01 DOI: 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}
引用次数: 0
A new cherry species (Prunus, Rosaceae) from south-western Ecuador. A厄瓜多尔西南部樱桃新种（樱属，蔷薇科）。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-04-04 eCollection Date: 2025-01-01 DOI: 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}
引用次数: 0
Somnuekiaflaviflora (Malvaceae, Brownlowioideae), a new genus and species from Thailand. Somnuekiaflaviflora（锦葵科，锦葵科），泰国一新属及一新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-04-03 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.254.141219
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
{"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}
引用次数: 0
Liliumbrunneum (Liliaceae): a newly discovered species in north-western Yunnan, China. Liliumbrunneum（百合科）：云南西北部一新发现种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-04-03 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.254.147769
Ting Wang, Xiuying Shen, De Wang, Ying Zhao, Xiaomei Qu, Yundong Gao
{"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}
引用次数: 0
Impatiensmaolanensis (Balsaminaceae), a new species of Impatiens in a tiankeng from Guizhou, China. Impatiensmaolanensis（凤仙花科），贵州天坑凤仙花属一新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-04-01 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.254.142981
Bai-Zhu Li, Qin-Ying Wen, Jin-Dong Wang, Xiao-Xiang Huang, Zhi-Bin Xiong, Zhi-Juan Deng, Yin Yi, Xiao-Xin Tang
{"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}
引用次数: 0
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