PhytoKeysPub Date : 2025-05-19eCollection Date: 2025-01-01DOI: 10.3897/phytokeys.256.142365
Shun Liu, Yu-Jin Wang
{"title":"<i>Loniceralanzhouensis</i> (Caprifoliaceae), a new species from Gansu, Northwest China.","authors":"Shun Liu, Yu-Jin Wang","doi":"10.3897/phytokeys.256.142365","DOIUrl":"10.3897/phytokeys.256.142365","url":null,"abstract":"<p><p><i>Loniceralanzhouensis</i> (Caprifoliaceae), a new species from Lanzhou City, Gansu province, China, is described and illustrated. The new species is morphologically similar to <i>L.webbiana</i> in that it has a bilabiate corolla and a long peduncle. It differs by narrowly lanceolate leaves (vs. ovate to ovate-lanceolate), yellow-green corolla at the beginning and reddish-purple when mature (vs. purple-red) and long involucral bracts (vs. short). The new species is supported by the genetic differentiation and phylogenetic analysis based on ITS and the combined sequences of chloroplast <i>psb</i>A-<i>trn</i>H and <i>mat</i>K fragments.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"256 ","pages":"83-90"},"PeriodicalIF":1.3,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12107274/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144161267","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 : 2025-05-13eCollection Date: 2025-01-01DOI: 10.3897/phytokeys.256.148644
Xi Li, Qiu-Ping Wang, Feng Yang, Jing-Yi Ye, Huan-Chong Wang
{"title":"<i>Oreochariscorallodiscoides</i> (Gesneriaceae, Trichosporeae, Didymocarpinae), a new species from Yunnan, southwest China.","authors":"Xi Li, Qiu-Ping Wang, Feng Yang, Jing-Yi Ye, Huan-Chong Wang","doi":"10.3897/phytokeys.256.148644","DOIUrl":"10.3897/phytokeys.256.148644","url":null,"abstract":"<p><p><i>Oreochariscorallodiscoides</i>, a new species of the tribe Trichosporeae (Gesneriaceae), is described and illustrated. This new species is characterized by its ovate, rounded or sometimes rhombic leaves densely covered with appressed hairs, yellow corolla, and the presence of two purple triangular appendages inside the base of the corolla tube. It is known only from the type locality, Luzhijiang dry-hot valley in Yimen county, central Yunnan, southwest China. A morphological comparison with its morphologically similar species (<i>O.agnesiae</i> and <i>O.longifolia</i>) is also presented.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"256 ","pages":"73-81"},"PeriodicalIF":1.3,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12093108/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144120570","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 : 2025-05-13eCollection Date: 2025-01-01DOI: 10.3897/phytokeys.256.145404
Lucila Guillén, Peter W Moonlight, Orlando A Jara-Muñoz, María Sánchez de Stapf, Juan F Carrión
{"title":"A new species of <i>Begonia</i> (Begoniaceae) from the eastern mountains of Panama.","authors":"Lucila Guillén, Peter W Moonlight, Orlando A Jara-Muñoz, María Sánchez de Stapf, Juan F Carrión","doi":"10.3897/phytokeys.256.145404","DOIUrl":"10.3897/phytokeys.256.145404","url":null,"abstract":"<p><p><i>Begoniachucantiensis</i> <b>sp. nov.</b> is described as a new species of BegoniasectionLepsia from Cerro Chucantí, Darién Province, in eastern Panama. A study of the literature and herbarium specimens, as well as fieldwork, suggests that the new taxon is distinguished from other species in the section by the combination of the following characters: uniform nodes, stipules persistent, 3.3-6 × 0.8-1.7 cm leaf blades, only two flowers per inflorescence, 12-14 stamens, and fruits with wings of similar shape and size. Images, information on geographic distribution, habitat, and a preliminary assessment of the conservation status of the new species are also provided.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"256 ","pages":"61-71"},"PeriodicalIF":1.3,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12093111/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144120571","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 : 2025-05-12eCollection Date: 2025-01-01DOI: 10.3897/phytokeys.256.148263
John L Clark
{"title":"Four new species of <i>Drymonia</i> (Gesneriaceae) from South America: Tributes to inspirational leaders.","authors":"John L Clark","doi":"10.3897/phytokeys.256.148263","DOIUrl":"10.3897/phytokeys.256.148263","url":null,"abstract":"<p><p>Exploratory field expeditions and herbarium research have led to the discovery of four new species of <i>Drymonia</i> (Gesneriaceae), distinguished by laterally compressed corollas, elongate inflorescence axes, and a nomadic climbing habit. These species, found in Andean forests of Colombia, Ecuador, and Peru, are unique within the Gesneriaceae for bearing inflorescences on a leafless portion of the stem near the ground, while their foliage is restricted to the subcanopy. Named in honor of visionary and inspirational leaders dedicated to advancing conservation, science, and education, the new species are <i>Drymoniaclavijoiae</i> J.L.Clark, <b>sp. nov.</b>, <i>D.katzensteiniae</i> J.L.Clark, <b>sp. nov.</b>, <i>D.rominieckiae</i> J.L.Clark, <b>sp. nov.</b>, and <i>D.silvaniae</i> J.L.Clark, <b>sp. nov.</b></p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"256 ","pages":"37-59"},"PeriodicalIF":1.3,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12089965/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144111175","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 : 2025-05-05eCollection Date: 2025-01-01DOI: 10.3897/phytokeys.256.147923
Juan Ernesto Guevara-Andino, John L Clark, Daniel Navas-Muñoz
{"title":"<i>Ormosianeillii</i> (Fabaceae), a remarkable new tree species from the Cordillera del Cóndor plateaus in Ecuador.","authors":"Juan Ernesto Guevara-Andino, John L Clark, Daniel Navas-Muñoz","doi":"10.3897/phytokeys.256.147923","DOIUrl":"10.3897/phytokeys.256.147923","url":null,"abstract":"<p><p>A new species, <i>Ormosianeillii</i> (Fabaceae), is described and illustrated from the tepui-like formations of the Cordillera del Cóndor Region in south-eastern Ecuador. Morphological similarities with other species of <i>Ormosia</i> are examined and discussed. Based on IUCN guidelines, a preliminary conservation status of Endangered (EN) is recommended.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"256 ","pages":"21-35"},"PeriodicalIF":1.3,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12184823/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144476339","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 : 2025-05-02eCollection Date: 2025-01-01DOI: 10.3897/phytokeys.256.152884
Van Tien Tran, The Bach Tran, Ha Phuong Vu, Hoang Tuan Cao, Thu Ha Bui
{"title":"Eriolaenabacgiangensis (Malvaceae), a new species from Vietnam.","authors":"Van Tien Tran, The Bach Tran, Ha Phuong Vu, Hoang Tuan Cao, Thu Ha Bui","doi":"10.3897/phytokeys.256.152884","DOIUrl":"https://doi.org/10.3897/phytokeys.256.152884","url":null,"abstract":"<p><p>The new species <i>Eriolaenabacgiangensis</i> from Vietnam is described and illustrated. The identified key was constructed to indicate the differences amongst three allied species of <i>Eriolaena</i>. <i>E.bacgiangensis</i> was compared with similar species, <i>E.candollei</i> and <i>E.wallichii</i>. <i>E.bacgiangensis</i> differs from <i>E.candollei</i> by the length of pedicel (1.4-2.3 cm long vs. 3.0-4.0 cm in <i>E.candollei</i>); presence of epicalyx after flowers at anthesis in <i>E.bacgiangensis</i> (vs. absence of epicalyx after flowers at anthesis in <i>E.candollei</i>); densely fringed epicalyx in <i>E.bacgiangensis</i> (vs. sparsely fringed epicalyx in <i>E.candollei</i>); style significantly exceeds staminal tube length in <i>E.bacgiangensis</i>, while the style is slightly longer than the staminal tube in <i>E.candollei</i>; the fruit apex round in <i>E.bacgiangensis</i> (vs. pointed and beaked in <i>E.candollei</i>). The linear epicalyx lobes are a key diagnostic trait for distinguishing <i>E.bacgiangensis</i> from <i>E.wallichii</i> (linear vs. ovate in <i>E.wallichii</i>). In addition, the other different characteristics of the two species are: leaf blade (not thickly papery in <i>E.bacgiangensis</i> vs. thickly papery in <i>E.wallichii</i>); length of inflorescences (13.0-18.0 cm in <i>E.bacgiangensis</i> vs. ≤ 6.0 cm in <i>E.wallichii</i>); shape of flower bud (lanceolate in <i>E.bacgiangensis</i> vs. globular in <i>E.wallichii</i>); fruit apex (round in <i>E.bacgiangensis</i> vs. apex shortly beaked in <i>E.wallichii</i>).</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"256 ","pages":"13-20"},"PeriodicalIF":1.3,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12065006/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144047943","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 : 2025-05-02eCollection Date: 2025-01-01DOI: 10.3897/phytokeys.256.149020
Michal Hroneš, Michal Sochor, Alena Uvírová, Azlan Bin Pandai, Salwana Jaafar, Rahayu S Sukri, Martin Dančák
{"title":"<i>Gastrodiamicrochila</i> (Orchidaceae, Epidendroideae), a new species from Brunei Darussalam.","authors":"Michal Hroneš, Michal Sochor, Alena Uvírová, Azlan Bin Pandai, Salwana Jaafar, Rahayu S Sukri, Martin Dančák","doi":"10.3897/phytokeys.256.149020","DOIUrl":"https://doi.org/10.3897/phytokeys.256.149020","url":null,"abstract":"<p><p>A new orchid species, <i>Gastrodiamicrochila</i> is described and illustrated. The species was found in a mixed dipterocarp forest in the Belait district, Brunei Darussalam, northern Borneo in 2024. It is distinct from most <i>Gastrodia</i> species in western Malesia by its small lip and column, and presence of the smooth cushion-like tissue on the inner side of lateral sepals. <i>Gastrodiamicrochila</i> is only the second species of <i>Gastrodia</i> recorded for Brunei Darussalam and the seventh known species for Borneo. A determination key for all <i>Gastrodia</i> species occurring in western Malesia is also provided.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"256 ","pages":"1-11"},"PeriodicalIF":1.3,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12065009/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144041820","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 : 2025-04-30eCollection Date: 2025-01-01DOI: 10.3897/phytokeys.255.149589
Jun Wen, Jun-Wen Zhu, Ren-Bin Zhu, Chun-Feng Song
{"title":"Taxonomic studies on the genus <i>Hydrocotyle</i> (Apiales) from China: The distribution and morphology of <i>H.chiangdaoensis</i>, with <i>H.calcicola</i> reduced to a synonym.","authors":"Jun Wen, Jun-Wen Zhu, Ren-Bin Zhu, Chun-Feng Song","doi":"10.3897/phytokeys.255.149589","DOIUrl":"https://doi.org/10.3897/phytokeys.255.149589","url":null,"abstract":"<p><p>Based on observations of living plants of <i>Hydrocotylecalcicola</i> in the field, together with examination of herbarium specimens and descriptions of both <i>H.calcicola</i> and <i>H.chiangdaoensis</i> (including type material), we demonstrated that <i>H.calcicola</i> is a synonym of <i>H.chiangdaoensis</i>. The species was previously compared with <i>H.sibthorpioides</i>; our phylogenetic analysis revealed that <i>H.chiangdaoensis</i> and <i>H.sibthorpioides</i> belong to different lineages, the former being closely related to the larger-leaved clade.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"255 ","pages":"247-260"},"PeriodicalIF":1.3,"publicationDate":"2025-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12059575/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144019894","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":"Diving into Diversity: <i>Hasleaberepwari</i> (Bacillariophyceae, Naviculaceae), a new species of marine diatom from New Caledonia.","authors":"Fiddy Semba Prasetiya, Thierry Jauffrais, Mustapha Mohamed-Benkada, Nolwenn Callac, Dominique Ansquer, Elif Yılmaz, Claude Lemieux, Monique Turmel, Jean-Luc Mouget, Danang Ambar Prabowo, Debora Christin Purbani, Diah Radini Noerdjito, Varian Fahmi, Sulastri Arsad, Romain Gastineau","doi":"10.3897/phytokeys.255.144697","DOIUrl":"https://doi.org/10.3897/phytokeys.255.144697","url":null,"abstract":"<p><p>The current article introduces and describes <i>Hasleaberepwari</i> <b>sp. nov.</b>, a new species of diatom discovered in the vicinity of Boulouparis, New Caledonia. Under light microscopy, <i>H.berepwari</i> <b>sp. nov.</b> strongly resembles <i>Hasleapseudostrearia</i>, but preliminary molecular barcoding conducted using partial 18S and <i>rbcL</i> genes suggested that it was a distinct species. This was confirmed first by scanning electron microscopy which showed the differences in stria densities between both species. A short-reads genome-skimming protocol applied on <i>H.berepwari</i> <b>sp. nov.</b> led us to obtain its complete mitochondrial and plastid genomes. The mitogenome is 36,572 bp in length and as already observed among other species of <i>Haslea</i> spp., the <i>nad6</i> and <i>nad2</i> genes are fused within a single open-reading frame. The plastome is 131,897 bp length, and unlike the mitogenome, it is not colinear with those of <i>H.pseudostrearia</i>. The results derived from the sequencing of the plastome allowed to perform a 123-gene multigene maximum likelihood phylogeny that associates <i>H.berepwari</i> <b>sp. nov.</b> to <i>H.pseudostrearia</i> with maximum support at the nodes but also strictly distinguishes them, suggesting a greater genetic distance between these species than what has been previously observed between other marennine-producing species.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"255 ","pages":"215-234"},"PeriodicalIF":1.3,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12048817/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144023714","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 : 2025-04-25eCollection Date: 2025-01-01DOI: 10.3897/phytokeys.255.143380
Dong-Li Quan, Yun-Hong Tan
{"title":"<i>Eumachiabrevipedunculata</i> (Rubiaceae, Palicoureeae), a new species from Yunnan, China.","authors":"Dong-Li Quan, Yun-Hong Tan","doi":"10.3897/phytokeys.255.143380","DOIUrl":"https://doi.org/10.3897/phytokeys.255.143380","url":null,"abstract":"<p><p><i>Eumachiabrevipedunculata</i> is a newly-identified species of the tribe Palicoureeae of Rubiaceae from Yunnan, China. It is morphologically similar to <i>E.straminea</i>, but differs by its smaller stipules, shorter petioles, smaller leaf blades, reduced inflorescences with shorter peduncles, axes and pedicels, longer calyx lobes, yellow-green flowers with shorter corolla tubes and shorter anthers. This species is widely found in southern Yunnan, but has long been misidentified as <i>Psychotria</i>. We clarify its taxonomic status and provide a description and illustration here.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"255 ","pages":"235-245"},"PeriodicalIF":1.3,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12048816/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144028749","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}