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The Vitextrifolia complex (Lamiaceae) in the Philippines. 菲律宾的 Vitextrifolia 复叶植物（唇形科）。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2024-10-22 eCollection Date: 2024-01-01 DOI: 10.3897/phytokeys.248.120387
Renerio P Gentallan, Seda Sengun, Michael Cedric B Bartolome, Kristine Joyce O Quiñones, Nadine B Coronado, Teresita H Borromeo, Emmanuel Bonifacio S Timog
{"title":"The <i>Vitextrifolia</i> complex (Lamiaceae) in the Philippines.","authors":"Renerio P Gentallan, Seda Sengun, Michael Cedric B Bartolome, Kristine Joyce O Quiñones, Nadine B Coronado, Teresita H Borromeo, Emmanuel Bonifacio S Timog","doi":"10.3897/phytokeys.248.120387","DOIUrl":"10.3897/phytokeys.248.120387","url":null,"abstract":"<p><p>The <i>Vitextrifolia</i> complex in the Philippines comprises economically important medicinal species, but its taxonomic status has become ambiguous due to numerous historical nomenclatural revisions. We assembled the complete chloroplast genomes of five species belonging to this species complex to provide additional evidence for their species delimitation. Based on a detailed analysis of specimens which combined molecular and morphological data, we propose reinstating <i>V.elmeri</i> Moldenke and delineating <i>V.arvensis</i> Gentallan, Sengun & M.B.Bartolome as a new endemic species belonging to this complex. The new species is a putative hybrid between <i>V.bicolor</i> Willd. and <i>V.elmeri</i> Moldenke. The specific epithet <i>arvensis</i> reflects its predominantly cultivated nature, both on a commercial scale and in home gardens, as a valued medicinal plant. We also provided a key to identify the five species belonging to the <i>V.trifolia</i> complex in the Philippines.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"248 ","pages":"1-40"},"PeriodicalIF":1.3,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11522745/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142558394","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
Speciation and diversification of the Bupleurum (Apiaceae) in East Asia. 东亚柴胡（Apiaceae）的物种和多样化。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2024-10-22 eCollection Date: 2024-01-01 DOI: 10.3897/phytokeys.248.132707
Yong-Xiu Song, Ceng-Yue Yang, Yu-Yang Zhou, Yan Yu
{"title":"Speciation and diversification of the <i>Bupleurum</i> (Apiaceae) in East Asia.","authors":"Yong-Xiu Song, Ceng-Yue Yang, Yu-Yang Zhou, Yan Yu","doi":"10.3897/phytokeys.248.132707","DOIUrl":"10.3897/phytokeys.248.132707","url":null,"abstract":"<p><p><i>Bupleurum</i>, belonging to the Apiaceae, is widely distributed across the Eurasian continent. The origin and species diversification of <i>Bupleurum</i> in East Asia, remain incompletely resolved due to the limited samples in previous studies. To address these issues, we have reconstructed a robust phylogenetic framework for <i>Bupleurum</i> in East Asia based on the ITS and three plastid genes. Our phylogenetic analysis confirms the monophyly of <i>Bupleurum</i> with strong support. Both ITS and chloroplast dataset divided the <i>Bupleurum</i> in East Asia into East Asia Group I and East Asia Group II in this study. The divergence time and ancestral area reconstruction of ITS dataset indicated that the <i>Bupleurum</i> originated in the Mediterranean basin and its adjacent areas around 50.33 Ma. subg. Penninervia and subg. Bupleurum diverged at about 44.35 Ma, which may be related to the collision of India with the Eurasian continent. Both East Asia Group I and East Asia Group II originated from a common ancestor in the Mediterranean, East Asia Group I divergence around 12.95 Ma; East Asia Group II divergence around 13.32 Ma. The character reconstruction showed that the morphological characters and altitude distribution analyzed in this study exhibit a scattered distribution in East Asian Group I and East Asian Group II. Additionally, diversification rate analysis shows that the East Asian Group I and East Asian Group II exhibited no significant shifts in diversification rates in the evolutionary history according to ITS and combined dataset. Both molecular and morphological data supports that East Asian <i>Bupleurum</i> is a museum taxon, meaning that the species diversity of East Asian <i>Bupleurum</i> has gradually accumulated over time.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"248 ","pages":"41-57"},"PeriodicalIF":1.3,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11522740/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142558393","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
Nomenclature and systematics of two Cocconeis species (Bacillariophyta) from Lake Baikal: Cocconeisbaicalensis and Cocconeisskvortzowii. 贝加尔湖两个 Cocconeis 种（Bacillariophyta）的命名和系统学：Cocconeisbaicalensis 和 Cocconeisskvortzowii。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2024-10-18 eCollection Date: 2024-01-01 DOI: 10.3897/phytokeys.247.131353
Rinat Gogorev, Maria Yurchak, Irina Sokolova, Anton Glushchenko, Maxim Kulikovskiy
{"title":"Nomenclature and systematics of two <i>Cocconeis</i> species (Bacillariophyta) from Lake Baikal: <i>Cocconeisbaicalensis</i> and <i>Cocconeisskvortzowii</i>.","authors":"Rinat Gogorev, Maria Yurchak, Irina Sokolova, Anton Glushchenko, Maxim Kulikovskiy","doi":"10.3897/phytokeys.247.131353","DOIUrl":"https://doi.org/10.3897/phytokeys.247.131353","url":null,"abstract":"<p><p>The study provides nomenclatural history, morphological characteristics and taxonomy of <i>Cocconeisbaicalensis</i> and <i>C.skvortzowii</i> described by B.V. Skvortzov from Lake Baikal. The lecto- and epitypification of the names are made, based on the K.I. Meyer and A.P. Skabichevsky materials, ensuring compliance with current nomenclatural standards. The morphological traits of these species were thoroughly examined using light microscopy (LM) nd scanning electron microscopy (SEM), leading to refined diagnoses and the clarification of previously confused synonymy.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"247 ","pages":"219-248"},"PeriodicalIF":1.3,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11512104/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142505873","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
Hemipiliazhuxiensis (Orchideae, Orchidaceae), a new species from Hubei Province, China. Hemipiliazhuxiensis（兰科，兰属），中国湖北省的一个新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2024-10-16 eCollection Date: 2024-01-01 DOI: 10.3897/phytokeys.247.131618
Cai-Quan Shen, Gui-Hua Lu, Xi-Tang Chen, Li-Sha Yi, De-Qing Lan, Rui Qin, Hong Liu
{"title":"<i>Hemipiliazhuxiensis</i> (Orchideae, Orchidaceae), a new species from Hubei Province, China.","authors":"Cai-Quan Shen, Gui-Hua Lu, Xi-Tang Chen, Li-Sha Yi, De-Qing Lan, Rui Qin, Hong Liu","doi":"10.3897/phytokeys.247.131618","DOIUrl":"https://doi.org/10.3897/phytokeys.247.131618","url":null,"abstract":"<p><p><i>Hemipiliazhuxiensis</i> (Orchidaceae), is a new species discovered in the Shibali Long Canyon National Nature Reserve, Zhuxi County, Hubei Province, China. It is morphologically similar to <i>Hemipiliahenryi</i> and <i>Hemipiliacrassicalcarata</i>, but differs in having an oblong, simple labellum with a slightly involute margin, an upcurved apex, and a spur shorter than the ovary. Molecular phylogenetic analyses, using nuclear (nrITS) and plastid (combined <i>matK</i>, <i>psaB</i>, <i>psbA-trnH</i>, <i>rbcL</i> and <i>trnL-F</i>) DNA sequences, confirm that <i>H.zhuxiensis</i> is closely related to <i>Hemipiliahenryi</i> and <i>Hemipiliacrassicalcarata</i>, supporting its recognition as a new species in the H.sectionHemipilia as defined by Tang et al. (2015).</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"247 ","pages":"203-217"},"PeriodicalIF":1.3,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11499671/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142505869","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
Pothosdeleonii (Araceae, Potheae, Pothoideae), a new species from Bukidnon, Mindanao, Philippines. Pothosdeleonii（Araceae，Potheae，Pothoideae），菲律宾棉兰老岛布基德农的一个新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2024-10-15 eCollection Date: 2024-01-01 DOI: 10.3897/phytokeys.247.130721
Maria Melanie P Medecilo-Guiang, Derek Cabactulan
{"title":"<i>Pothosdeleonii</i> (Araceae, Potheae, Pothoideae), a new species from Bukidnon, Mindanao, Philippines.","authors":"Maria Melanie P Medecilo-Guiang, Derek Cabactulan","doi":"10.3897/phytokeys.247.130721","DOIUrl":"https://doi.org/10.3897/phytokeys.247.130721","url":null,"abstract":"<p><p>A new species of <i>Pothos</i> is described and illustrated. This species is very similar to <i>Pothosphilippinensis</i> (sheathing and leaf morphology) but differs by the inflorescence and flowers. It is closely related also to <i>P.kingii</i> by the deep purple inflorescence, but differs in having longer peduncle, broadly ovate-concave to cucullate spathe (which is deep wine-red when fresh to purplish-black when senescing), and the spadix that is 7/10<sup>th</sup> the entire length of the spathe.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"247 ","pages":"183-190"},"PeriodicalIF":1.3,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11496825/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142505870","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
Vincetoxicumnakaianum (Asclepiadoideae, Apocynaceae), a new species from Japan for Cynanchummagnificum Nakai, nomen nudum. Vincetoxicumnakaianum (Asclepiadoideae, Apocynaceae), a new species from Japan for Cynanchummagnificum Nakai, nomen nudum.
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2024-10-15 eCollection Date: 2024-01-01 DOI: 10.3897/phytokeys.247.125070
Ko Mochizuki, Shuichi Nemoto, Jin Murata, Tetsuo Ohi-Toma
{"title":"<i>Vincetoxicumnakaianum</i> (Asclepiadoideae, Apocynaceae), a new species from Japan for <i>Cynanchummagnificum</i> Nakai, nomen nudum.","authors":"Ko Mochizuki, Shuichi Nemoto, Jin Murata, Tetsuo Ohi-Toma","doi":"10.3897/phytokeys.247.125070","DOIUrl":"https://doi.org/10.3897/phytokeys.247.125070","url":null,"abstract":"<p><p><i>Vincetoxicum</i> Wolf is the third largest genus in Asclepiadoideae, and 23 species are distributed in Japan. We discovered that an erect herb species, distributed in the eastern part of the Honshu island, was invalidly named <i>Vincetoxicummagnificum</i> (Nakai) Kitag. based on <i>Cynanchummagnificum</i> Nakai, nomen nudum. Therefore, we presently name this species <i>Vincetoxicumnakaianum</i> K.Mochizuki & Ohi-Toma, and we give a detailed description in this study. Additionally, we provide photographs that demonstrate its ecology and diagnostic characteristics.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"247 ","pages":"191-201"},"PeriodicalIF":1.3,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11496837/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142505872","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
Cryptanthawhippleae (Boraginaceae), a new serpentine-adapted species endemic to northern California, U.S.A. Cryptanthawhippleae (Boraginaceae), 美国加利福尼亚州北部特有的适应蛇毒的新物种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2024-10-15 eCollection Date: 2024-01-01 DOI: 10.3897/phytokeys.247.132060
Michael G Simpson, Dana A York
{"title":"<i>Cryptanthawhippleae</i> (Boraginaceae), a new serpentine-adapted species endemic to northern California, U.S.A.","authors":"Michael G Simpson, Dana A York","doi":"10.3897/phytokeys.247.132060","DOIUrl":"https://doi.org/10.3897/phytokeys.247.132060","url":null,"abstract":"<p><p><i>Cryptanthawhippleae</i> D.A.York & M.G.Simpson (Boraginaceae) is described as new. This species is currently known to occur in serpentine barrens in the Shasta-Trinity National Forest of Siskiyou County, California, with one outlier population in possible serpentine of Lake County, California. The new species is most similar to <i>Cryptanthagrandiflora</i> and to <i>C.milobakeri</i>, these three likely each others' closest relatives. All three have a relatively large corolla limb width and similar smooth, lance-ovate to ovate, marginally rounded, acuminate and abaxially transversely flattened nutlets. <i>Cryptanthawhippleae</i> differs from <i>C.grandiflora</i> in having a short, as opposed to a tall, stem height; bifurcate as opposed to trifurcate primary axis cymules; and typically 2-3 nutlets per fruit, as opposed to usually one nutlet per fruit. <i>Cryptanthawhippleae</i> differs from <i>C.milobakeri</i> also in having a short, versus tall, stem height; appressed-strigose and spreading-hispid stem vestiture, as opposed to strigose only or strigose and hirsute; calyx trichomes with two distinct vestiture types, these marginally appressed hirsute and medially hispid, as opposed to calyx trichomes of one type, dense, appressed to ascending, whitish sericeous; and 2-3 nutlets per fruit, as opposed to one nutlet per fruit. <i>Cryptanthawhippleae</i> is relatively rare and joins seven other <i>Cryptantha</i> species that are found on serpentine, either obligately or facultatively. Current molecular phylogenetic studies support the mostly convergent evolution of serpentine adaptation in <i>Cryptantha</i>, but additional studies are needed.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"247 ","pages":"155-172"},"PeriodicalIF":1.3,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11496836/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142505780","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
Spiradiclisyanii (Rubiaceae), a new species from Guangxi, China. Spiradiclisyanii（茜草科），中国广西的一个新种。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2024-10-15 eCollection Date: 2024-01-01 DOI: 10.3897/phytokeys.247.123867
You Nong, Li-Qun Lei, Gui-Yuan Wei, Xin-Cheng Qu, Zi-Yi Zhao, Bin Feng, Chuan-Gui Xu, Lei Wu
{"title":"<i>Spiradiclisyanii</i> (Rubiaceae), a new species from Guangxi, China.","authors":"You Nong, Li-Qun Lei, Gui-Yuan Wei, Xin-Cheng Qu, Zi-Yi Zhao, Bin Feng, Chuan-Gui Xu, Lei Wu","doi":"10.3897/phytokeys.247.123867","DOIUrl":"https://doi.org/10.3897/phytokeys.247.123867","url":null,"abstract":"<p><p><i>Spiradiclisyanii</i> Y.Nong & L.Wu (Rubiaceae), a new species from Guangxi, China, is described and illustrated. This new species is most similar to <i>S.tomentosa</i>, but it can be easily distinguished by being densely multicellular villous, leaves narrow elliptic or oblanceolate, apex acute or shortly acuminate, stipules 2-4, linear or linear lanceolate, 4-8 mm, densely villous, corolla tube 3 mm, sparsely pubescent inside, flower homomorphism, lobes 3-5, stamens arising at the base of the tube, stigma 2-lobed, lobes ovoid, slightly swollen, 0.2 mm. The habitat of <i>Spiradiclisyanii</i> is extremely fragile. Therefore, this species deserves close attention and protection.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"247 ","pages":"173-181"},"PeriodicalIF":1.3,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11496824/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142505871","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
Metagentianajiangyouensis, a new species of Metagentiana (Gentianaceae) from Sichuan, China. 来自中国四川的 Metagentiana（龙胆科）新种 Metagentianajiangyouensis。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2024-10-11 eCollection Date: 2024-01-01 DOI: 10.3897/phytokeys.247.129934
Hai-Feng Cao, Jie Cai, Yuan Zou, Hong Sun, Fang-Fang Li, An-Dong Xiong, Mei-Jun Xu
{"title":"<i>Metagentianajiangyouensis</i>, a new species of <i>Metagentiana</i> (Gentianaceae) from Sichuan, China.","authors":"Hai-Feng Cao, Jie Cai, Yuan Zou, Hong Sun, Fang-Fang Li, An-Dong Xiong, Mei-Jun Xu","doi":"10.3897/phytokeys.247.129934","DOIUrl":"10.3897/phytokeys.247.129934","url":null,"abstract":"<p><p><i>Metagentianajiangyouensis</i>, a new species of Gentianaceae from Sichuan, China, is described and illustrated. This new species is similar to <i>Metagentianavillifera</i>, but differs by the fact that the plant is glabrous and has 1-4 flowering stems, well-developed basal vegetative rosettes, a pale purple corolla with dark purple spots on the tube and erose or denticulate, non-fringed plicae margins. It also somewhat resembles <i>M.rhodantha</i>, but can be easily distinguished by having shorter stems, entire leaf margins, smooth, shorter sepal lobes, spotted corolla tubes, non-fringed plicae and narrowly winged seeds.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"247 ","pages":"137-144"},"PeriodicalIF":1.3,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11489717/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142472393","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
Gastrochilusbalangshanensis (Orchidaceae, Aeridinae), a new subalpine epiphytic orchid from the Mountains of Southwest China. 中国西南山区新发现的亚高山附生兰 Gastrochilusbalangshanensis（兰科，Aeridinae）。
IF 1.3 3区 生物学
PhytoKeys Pub Date : 2024-10-11 eCollection Date: 2024-01-01 DOI: 10.3897/phytokeys.247.130755
Jun-Yi Zhang, Yue-Hong Cheng, Min Liao, Sen-Long Jin, Hong-Qiang Lin, Pan-Yan Yang, Hai He, Bo Xu
{"title":"<i>Gastrochilusbalangshanensis</i> (Orchidaceae, Aeridinae), a new subalpine epiphytic orchid from the Mountains of Southwest China.","authors":"Jun-Yi Zhang, Yue-Hong Cheng, Min Liao, Sen-Long Jin, Hong-Qiang Lin, Pan-Yan Yang, Hai He, Bo Xu","doi":"10.3897/phytokeys.247.130755","DOIUrl":"10.3897/phytokeys.247.130755","url":null,"abstract":"<p><p><i>Gastrochilusbalangshanensis</i>, a new orchid species from the Balang Mountain, Sichuan Province, Southwest China, is described and illustrated. It morphologically resembles <i>G.affinis</i>, but differs in having shorter stems, a reniform epichile and a sub-hemispherical hypochile (spur), obtuse-rounded at the apex. The results of molecular phylogenetic analyses based on nuclear ribosome internal transcribed spacer (nrITS) and four chloroplast DNA markers (<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) from 50 <i>Gastrochilus</i> species indicate that <i>G.balangshanensis</i> is closely related to <i>G.heminii</i> and <i>G.bernhardtianus</i>, also endemic to the Hengduan Mountains. The novelty is a branch and trunk epiphyte in mixed coniferous forest.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":"247 ","pages":"123-135"},"PeriodicalIF":1.3,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11489711/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142472392","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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