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Oviculabiradiata, a new genus of Compositae from Big Bend National Park in Trans-Pecos Texas. Oviculabiradiata，来自德克萨斯州跨佩科斯大本德国家公园的菊科新属。
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
Caelospermum versus Coelospermum in Rubiaceae (Gentianales): their etymologies explained. Caelospermum与龙胆科（龙胆属）的腔精子：它们的词源解释。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-14 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.136744
Brecht Verstraete, Elmar Robbrecht
{"title":"<i>Caelospermum</i> versus <i>Coelospermum</i> in Rubiaceae (Gentianales): their etymologies explained.","authors":"Brecht Verstraete, Elmar Robbrecht","doi":"10.3897/phytokeys.252.136744","DOIUrl":"10.3897/phytokeys.252.136744","url":null,"abstract":"<p><p><i>Caelospermum</i> is the original spelling of the generic name, as it appeared in the protologue, but in literature and online databases, the variant spelling <i>Coelospermum</i> is often used. However, the confusion about the spelling is caused by a misinterpretation of the etymology. Here, we demonstrate that the original spelling by Blume should be retained.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"119-124"},"PeriodicalIF":1.3,"publicationDate":"2025-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11845979/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143483909","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
Primulayanbianensis (Primulaceae), a new species in Primula sect. Cortusoides from Sichuan, China. Primulayanbianensis（报春花科），中国四川Primula组Cortusoides中的一新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-14 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.140026
Tian Shuai, Hong-Qiang Lin, Lei Cai, Yu-Fan Chen, Zhi-Kun Wu
{"title":"<i>Primulayanbianensis</i> (Primulaceae), a new species in <i>Primula</i> sect. <i>Cortusoides</i> from Sichuan, China.","authors":"Tian Shuai, Hong-Qiang Lin, Lei Cai, Yu-Fan Chen, Zhi-Kun Wu","doi":"10.3897/phytokeys.252.140026","DOIUrl":"10.3897/phytokeys.252.140026","url":null,"abstract":"<p><p><i>Primulayanbianensis</i> T.Shuai, Lei Cai & Z.K.Wu, a new species of Primulaceae from Sichuan, China, is described and illustrated. Morphological evidence supports <i>P.yanbianensis</i> as a member of P.sect.Cortusoides, which is characterised by lack of farina, generally well furnished with multicellular hairs, subrounded leaf blades are more or less lobed, with distinct petiole and a deeply cordate base and campanulate or narrowly campanulate calyx not accrescent after anthesis. The new species is characterised by having umbel in whorls of 1-2, scape usually lower than leaf clusters, bracts broadly ovate and rose to pink petals distinctly veined. The distribution, morphological comparison with closely-related species and conservation status of the new species are also provided.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"109-118"},"PeriodicalIF":1.3,"publicationDate":"2025-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11845986/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143483912","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 genus Chiloschista (Aeridinae, Vandeae, Epidendroideae, Orchidaceae) from Sumatra Island, Indonesia. A印度尼西亚苏门答腊岛赤枝兰属新种（绿枝科，万迪亚科，附着物科，兰科）。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-12 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.138190
Destario Metusala
{"title":"A new species of genus <i>Chiloschista</i> (Aeridinae, Vandeae, Epidendroideae, Orchidaceae) from Sumatra Island, Indonesia.","authors":"Destario Metusala","doi":"10.3897/phytokeys.252.138190","DOIUrl":"10.3897/phytokeys.252.138190","url":null,"abstract":"<p><p><i>Chiloschistatjiasmantoi</i>, a new species of epiphytic leafless orchid from the northernmost region of Sumatra Island, Indonesia, is described and illustrated. The flower of this new species is morphologically close to <i>C.javanica</i>, but differs in having oblong-obovate petals, narrowly oblique oblong side lobes with truncate to obtuse apex, and a different shape of lip sac.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"65-76"},"PeriodicalIF":1.3,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11840428/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143468803","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
Petrocodoncurvitubus, a new species of Gesneriaceae from Guangxi, China. Petrocodoncurvitubus，广西苦苣苔科一新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-12 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.136306
Jin-Xin Wei, Bo Pan, Tao Ding
{"title":"<i>Petrocodoncurvitubus</i>, a new species of Gesneriaceae from Guangxi, China.","authors":"Jin-Xin Wei, Bo Pan, Tao Ding","doi":"10.3897/phytokeys.252.136306","DOIUrl":"10.3897/phytokeys.252.136306","url":null,"abstract":"<p><p>A new species of Gesneriaceae, <i>Petrocodoncurvitubus</i> J.X.Wei, B.Pan & T.Ding, <b>sp. nov.</b> from Guangxi, China, is described and illustrated. The new species is morphologically similar to <i>P.lui</i> and <i>P.tenuitubus</i>, but can be easily distinguished by its elliptic to oblong-ovate leaves, corollas with two purple longitudinal stripes, and conical ovary.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"77-85"},"PeriodicalIF":1.3,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11840435/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143468799","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
Plastome-based subgenus-level phylogenetic backbone of hawthorns: insights into the maternal position and taxonomic synopsis of Crataegusshandongensis (Rosaceae, Maleae). Plastome-based山楂亚属水平的系统发育骨干：山楂属（蔷薇科，马来科）母系位置和分类概述的认识。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-12 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.136506
Xiao-Hua Lin, Si-Yu Xie, Guang-Ning Liu, Dai-Kun Ma, Fei-Ran Zou, Wei-Dong Peng, Chao Xu, Bing Liu, Liang Zhao, Bin-Bin Liu
{"title":"Plastome-based subgenus-level phylogenetic backbone of hawthorns: insights into the maternal position and taxonomic synopsis of <i>Crataegusshandongensis</i> (Rosaceae, Maleae).","authors":"Xiao-Hua Lin, Si-Yu Xie, Guang-Ning Liu, Dai-Kun Ma, Fei-Ran Zou, Wei-Dong Peng, Chao Xu, Bing Liu, Liang Zhao, Bin-Bin Liu","doi":"10.3897/phytokeys.252.136506","DOIUrl":"10.3897/phytokeys.252.136506","url":null,"abstract":"<p><p>The recent recognition of the five-subgenera classification within <i>Crataegus</i> has prompted discussion about the maternal phylogenetic relationships among these subgenera, with inconsistencies in taxon sampling, marker selection, and inference methods contributing to differing interpretations. In this study, we performed deep genome skimming sequencing and assembled 63 whole plastomes, including 58 from <i>Crataegus</i> and five from related genera as the outgroups. We employed multiple phylogenetic inference methods (Maximum Likelihood and Bayesian Inference) to reconstruct an accurate phylogeny. The whole plastome-based, maternally inherited trees consistently supported two major clades within <i>Crataegus</i>: one comprising C.subg.Crataegus and C.subg.Brevispinae, the other encompassing the remaining three subgenera. Within the latter clade, C.subg.Sanguineae and C.subg.Americanae formed a sister group, which together were sister to C.subg.Mespilus. Our analysis also revealed a close maternal relationship between <i>C.shandongensis</i> and C.pinnatifidavar.major, suggesting the shared maternal ancestry. Furthermore, we updated the description of <i>C.shandongensis</i> based on extensive specimen examination and designated the lectotype for this species. This comprehensive taxonomic synopsis, supported by both phylogenomic and morphological analyses, provides a robust foundation for future taxonomic and evolutionary studies of the Shandong hawthorn.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"87-108"},"PeriodicalIF":1.3,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11840429/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143468806","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
Lespedezajianghuensis (Fabaceae), a new species from riparian meadows of Yangtze River basin, China. Lespedezajianghuensis（豆科），长江流域河岸草甸一新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-10 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.144564
Song Huang, Mei-Qian Chen, Feng Song, Jia-Xiang Li, Bo Pan, Hui-Yi Zhong, Li-Qun Zhou, Ang Liu, Yu-Tao Zheng, Pan Zhao
{"title":"<i>Lespedezajianghuensis</i> (Fabaceae), a new species from riparian meadows of Yangtze River basin, China.","authors":"Song Huang, Mei-Qian Chen, Feng Song, Jia-Xiang Li, Bo Pan, Hui-Yi Zhong, Li-Qun Zhou, Ang Liu, Yu-Tao Zheng, Pan Zhao","doi":"10.3897/phytokeys.252.144564","DOIUrl":"10.3897/phytokeys.252.144564","url":null,"abstract":"<p><p><i>Lespedezajianghuensis</i> (Fabaceae), from Yangtze River basin, China, is described and illustrated as a new species. It is a dwarf shrublet occurring in the riparian meadows along the banks of rivers and lakes. It is morphologically similar to <i>L.cuneata</i>, <i>L.lichiyuniae</i>, and <i>L.caraganae</i>, but differs by its prostrate or decumbent habit, angulate but not furrowed stems, and small stipules (ca. 1 mm). Phylogenetic analyses based on combination of five chloroplasts fragments and ITS sequence confirmed that it belongs to Lespedezasect.Junceae. We also evaluate its conservation status as Least Concern (LC).</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"51-63"},"PeriodicalIF":1.3,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11833302/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143449749","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
Spiradiclisscorpiura (Rubiaceae), a new species from Guangxi, China. Spiradiclisscorpiura（茜草科），广西一新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-10 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.139783
You Nong, Li-Qun Lei, Lei Wu, Qi-Min Hu, Ying-Jing Li, Xin-Cheng Qu, Chuan-Gui Xu, Gui-Yuan Wei
{"title":"<i>Spiradiclisscorpiura</i> (Rubiaceae), a new species from Guangxi, China.","authors":"You Nong, Li-Qun Lei, Lei Wu, Qi-Min Hu, Ying-Jing Li, Xin-Cheng Qu, Chuan-Gui Xu, Gui-Yuan Wei","doi":"10.3897/phytokeys.252.139783","DOIUrl":"10.3897/phytokeys.252.139783","url":null,"abstract":"<p><p><i>Spiradiclisscorpiura</i> (Rubiaceae), a new calcareous species found in Guangxi, China, is described and illustrated. This new species is similar to <i>S.coccinea</i>, <i>S.scabrida</i>, and <i>S.purpureocaerulea</i> in having pubescent stems and subglobose capsules, but it is easily distinguished by its cincinnous inflorescence and its triangular, 1-2 mm long, pubescent bracteoles. According to the IUCN criteria, it is considered Data Deficient (DD) until more information becomes available. Photographs, an illustration, a distribution map, and a comparative table with the most similar species are provided.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"41-49"},"PeriodicalIF":1.3,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11833304/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143449750","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
Gastrochilusobovatifolius (Orchidaceae, Aeridinae), a new species from the Daba Mountains of Chongqing, China. Gastrochilusobovatifolius（兰科，兰花科），重庆大巴山一新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2025-02-07 eCollection Date: 2025-01-01 DOI: 10.3897/phytokeys.252.133501
Chi Xiong, Xiao-Ying Fu, Ke Tan, Ya Huang, Hong-Jing Zhang, Yi-Chen Wang, Yu-Bing Yang, Si-Rong Yi
{"title":"<i>Gastrochilusobovatifolius</i> (Orchidaceae, Aeridinae), a new species from the Daba Mountains of Chongqing, China.","authors":"Chi Xiong, Xiao-Ying Fu, Ke Tan, Ya Huang, Hong-Jing Zhang, Yi-Chen Wang, Yu-Bing Yang, Si-Rong Yi","doi":"10.3897/phytokeys.252.133501","DOIUrl":"10.3897/phytokeys.252.133501","url":null,"abstract":"<p><p><i>Gastrochilusobovatifolius</i>, a new species discovered in the Dabashan of northeast Chongqing (China), is described and illustrated. The novelty morphologically resembles <i>G.affinis</i>, <i>G.balangshanensis</i> and <i>G.heminii</i> in having a glabrous and smooth epichile. but can be distinguished by the unique obovate shape of the leaves, smaller epichile, and flower color. The results of molecular phylogenetic analysis, based on nuclear ribosome internal transcribed spacer (nrITS) and four chloroplast DNA fragments (<i>mat</i>K, <i>psb</i>A-<i>trn</i>H, <i>psb</i>M-<i>trn</i>D, and <i>trn</i>L-F) of 55 <i>Gastrochilus</i> species, support the inclusion of <i>G.obovatifolius</i> in G.sect.Microphylli, being most closely related to <i>G.balangshanensis</i> from Sichuan. The new species is a trunk epiphyte in evergreen broad-leaved forest.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"252 ","pages":"25-40"},"PeriodicalIF":1.3,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11829196/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143432542","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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