PhytoKeys最新文献

{"title":"<i>Xantolisweimingii</i> (Sapotaceae), a new species from the Yuanjiang River basin, Yunnan, southwest China.","authors":"Feng Yang, Chao Chen, Qiu-Ping Wang, Jian-Yong Wu, Zhen-Xue Li, Huan-Chong Wang","doi":"10.3897/phytokeys.246.119516","DOIUrl":"https://doi.org/10.3897/phytokeys.246.119516","url":null,"abstract":"<p><p><i>Xantolisweimingii</i> <b>sp. nov.</b> (Sapotaceae) is described and illustrated from Yunnan, southwest China. The new species is morphologically most similar to <i>X.tomentosa</i> (Roxb.) Raf., but differs from the latter in the ovate or obovate leaves, entirely glabrous corollas, lanceolate, ca. 5 mm long staminodes, fringed at the base. We provided a distribution map and a preliminary conservation assessment for the new species. Additionally, an updated dichotomous key to all known species of <i>Xantolis</i> is presented.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11411200/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142293163","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>Planothidiumpseudolinkei</i> sp. nov. (Bacillariophyta), a new marine monoraphid diatom species from the coast of Guangxi, China.","authors":"Lang Li, Yu-Yang Huang, Qun-Zhuan Nong, Jun-Xiang Lai, Yu-Hang Li","doi":"10.3897/phytokeys.246.128068","DOIUrl":"https://doi.org/10.3897/phytokeys.246.128068","url":null,"abstract":"<p><p>A new marine monoraphid diatom species, <i>Planothidiumpseudolinkei</i> <b>sp. nov.</b>, is described from the coast of Guangxi, China. The detailed morphology of this epipsammic diatom is studied by using both light and scanning electron microscopy. <i>P.pseudolinkei</i> differs from congeners by a combination of morphological features including capitate apices, multiseriate striae, a small central area on the raphe valve and an oblong sinus on the rapheless valve. Ecological preferences of <i>Planothidium</i> are also briefly discussed.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11393488/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142293160","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>Temochloa</i> (Poaceae, Bambusoideae), a newly-recorded bamboo genus for China and Vietnam, with new taxa and a re-interpretation of flowering structures.","authors":"Zhuo-Yu Cai, You-Yuan Zhang, Yi-Hua Tong, Tien Chinh Vu, Nian-He Xia","doi":"10.3897/phytokeys.246.129035","DOIUrl":"https://doi.org/10.3897/phytokeys.246.129035","url":null,"abstract":"<p><p><i>Neomicrocalamus</i> and <i>Temochloa</i> are closely-related genera for which 'inflorescence' structures were incompletely understood and difficult to reconcile. After re-examining the inflorescence morphology, the so-called 'spikelets' of both genera as described should instead be recognised as pseudospikelets with mostly inactive axillary buds. The new bamboo taxa, comprising two varieties of a new species, are placed in <i>Temochloa</i>, representing a new genus record for China and Vietnam.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11391123/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142293162","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":"Six new species of <i>Globba</i> L. (Zingiberales, Zingiberaceae) from the Eastern Himalayas and Northeast India.","authors":"Ritu Yadav, Vinita Gowda","doi":"10.3897/phytokeys.246.118751","DOIUrl":"https://doi.org/10.3897/phytokeys.246.118751","url":null,"abstract":"<p><p>We describe six new species in the genus <i>Globba</i> L.: <i>Globbacorniculata</i> <b>sp. nov.</b>, <i>Globbapaschimbengalensis</i> <b>sp. nov.</b>, <i>Globbapolymorpha</i> <b>sp. nov.</b>, <i>Globbatyrnaensis</i> <b>sp. nov.</b>, <i>Globbajanakiae</i> <b>sp. nov.</b>, <i>and Globbayadaviana</i> <b>sp. nov.</b> collected from the Indian part of the Eastern Himalayas (West Bengal) and Northeast India. We provide a detailed morphological description of all six species along with photographic plates, distribution maps, and tentative conservation assessments. We also provide a dichotomous identification key for all the Indian <i>Globba</i> species and discuss the newly described species in relation to those that are morphologically similar to them. Finally, we highlight the taxonomic collection challenges in the ecologically sensitive Eastern Himalayas and Northeast regions of India.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11391125/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142293165","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":"Studies on <i>Typhonium</i> (Araceae) of Thailand I: <i>Typhoniumvinicolor</i>, a new species from Khon Kaen Province, Northeastern Thailand.","authors":"Piyaporn Saensouk, Surapon Saensouk, Khant Zaw Hein, Thawatphong Boonma, Anousone Sengthong, Sarayut Rakarcha","doi":"10.3897/phytokeys.246.128778","DOIUrl":"https://doi.org/10.3897/phytokeys.246.128778","url":null,"abstract":"<p><p><i>Typhoniumvinicolor</i> from Khon Kaen Province (Northeastern Thailand), is described and illustrated as a species new to science. Color plates, phenology, distribution, discussion of similar taxa, and conservation status assessment are provided.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11387835/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142293166","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>Salviapenghuana</i> (Lamiaceae), a new species from Guizhou, China.","authors":"Feng-Jin Qiu, Deng-Li Yu, Hong-Bo Lan, Ming-Tai An, Yan-Fei Geng, Chun-Lei Xiang, Guo-Xiong Hu","doi":"10.3897/phytokeys.246.130332","DOIUrl":"https://doi.org/10.3897/phytokeys.246.130332","url":null,"abstract":"<p><p><i>Salviapenghuana</i>, a new species from Guizhou Province of southwestern China, is described and illustrated. Morphologically, <i>Salviapenghuana</i> is similar to <i>S.filicifolia</i>, but can be easily distinguished from the latter by ovate-lanceolate bracts, purple corolla, and foot-shaped fused lower arms of connective. In addition, <i>S.penhuana</i> is morphologically similar to <i>S.cavaleriei</i>, but differs by having 3-4-pinnate leave, ovate-lanceolate bracts, puberulent calyx, and longer upper arms of connective. Based on the fibril root, small calyx and corolla, and completely reduced posterior thecae, <i>S.penghuana</i> should be placed in section Sobiso of subg. Glutinaria.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11384139/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142293161","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":"Evidence for moth pollination in a rhinomyiophilous Erica species from the Cape Floristic Region of South Africa.","authors":"Timotheüs van der Niet, Ruth J Cozien","doi":"10.3897/phytokeys.246.126310","DOIUrl":"https://doi.org/10.3897/phytokeys.246.126310","url":null,"abstract":"<p><p>Contrasting pollination syndromes in closely related species suggest that floral trait divergence is associated with differences in pollination system, but empirical observations are required to confirm syndrome-based predictions. We present a comparative study of two closely related <i>Erica</i> species with contrasting pollination syndromes from the Cape Floristic Region of South Africa. <i>Ericacylindrica</i> has narrowly tubular pale and strongly scented flowers and is known to be hawkmoth-pollinated. The closely related <i>Ericainfundibuliformis</i> has bright flower colours and appears to lack scent, traits that are suggestive of pollination by long-tongued nemestrinid flies (rhinomyiophily). Floral trait measurements revealed that both species exhibit predominantly upright flower orientation and elongated floral tubes, although tube length of <i>E.infundibuliformis</i> is consistently greater than that of <i>E.cylindrica</i>. For both species, petals are brighter than floral tube surfaces, but flowers of <i>E.cylindrica</i> lack the strong UV reflectance found in <i>E.infundibuliformis.</i> Nectar of <i>E.infundibuliformis</i> is more concentrated and produced in larger volumes. Scent composition, but not evening scent emission rates, differed between the species: scent of <i>E.cylindrica</i> is dominated by aromatic compounds, whereas scent of <i>E.infundibuliformis</i> is dominated by (E)-ocimene and other terpenoid compounds and is emitted at higher rates during the day than the evening. Pollinator observations contradicted trait-based predictions: although a single nemestrinid fly captured in the vicinity of <i>E.infundibuliformis</i> did carry <i>Erica</i> pollen, almost all other diurnal flower visitors were nectar-robbing Hymenoptera which did not carry <i>Erica</i> pollen. Contrary to predictions, at two sites and over two flowering seasons, flowers were consistently visited in the evenings by several species of settling moths and hawkmoths which carried pollen, almost exclusively of <i>Erica</i>, on their proboscides. Our findings thus suggest that, despite objective differences in key floral traits between the closely related hawkmoth-pollinated <i>E.cylindrica</i> and <i>E.infundibuliformis</i>, moths are also important pollinators of <i>E.infundibuliformis</i>. A bimodal pollination system involving predominant pollination by moths and occasional visits by long-proboscid flies could partially reconcile findings with predictions. Our study further suggests that hawkmoth pollination may be more widespread in both <i>Erica</i> and the broader Cape flora than has hitherto been assumed and emphasises the importance of nocturnal pollinator observations.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11384911/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142293164","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":"The genus <i>Coleus</i> (Lamiaceae) in Central Africa (Democratic Republic of the Congo, Rwanda, Burundi), with the description of 15 new species.","authors":"Pierre J Meerts, Alan J Paton","doi":"10.3897/phytokeys.246.129476","DOIUrl":"https://doi.org/10.3897/phytokeys.246.129476","url":null,"abstract":"<p><p>The genus <i>Coleus</i> is revised for DR. Congo, Rwanda, Burundi, based on herbarium taxonomy. Ninety-five taxa are reported (89 species, 1 subspecies, 5 varieties). Fifteen new species and one new variety are described (<i>Coleusduvigneaudii</i>, C.esculentusvar.kolweziensis, <i>C.hildei</i>, <i>C.kaminaensis</i>, <i>C.kundelunguensis</i>, <i>C.linarioides</i>, <i>C.lisowskii</i>, <i>C.marunguensis</i>, <i>C.minusculus</i>, <i>C.mitwabaensis</i>, <i>C.mystax</i>, <i>C.pengbelensis, C.piscatorum</i>, <i>C.pseudoschizophyllus</i>, <i>C.ruziziensis</i> and <i>C.zigzag</i>). Fourteen species are newly recorded in DR. Congo and two species are newly recorded in Burundi. Four new combinations are made (Coleusbetonicifoliusvar.kasomenensis, C.esculentusvar.densus, C.esculentusvar.primulinus and <i>C.parvifolius</i>). Ten names are lectotypified. One name is neotypified. Thirteen new synonyms are reported. Particular attention is paid to the <i>Coleusbojeri</i> complex. Three names are resurrected to accommodate the extensive variation patterns in Central Africa (<i>C.chevalieri</i>, <i>C.collinus</i> and <i>C.heterotrichus</i>); their distribution in Africa is outlined and the circumscription of <i>C.bojeri</i> is amended accordingly. Fifteen taxa are endemic to the study region. A determination key is provided.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11384907/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142293167","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>Huperziacrassifolia</i> (Lycopodiaceae), a new species from China based on morphological characters and molecular evidence.","authors":"Zhi-You Guo, Hong-Mei Liu, Kai-Kai Wang, Tao Fujiwara, Zheng-Yu Liu, Xian-Chun Zhang, Harald Schneider","doi":"10.3897/phytokeys.246.131046","DOIUrl":"10.3897/phytokeys.246.131046","url":null,"abstract":"<p><p>A new species of the firmoss from China, <i>Huperziacrassifolia</i> sp. nov., is described and illustrated based on morphological characters and molecular evidence. The new species resembles species associated with the <i>H.javanica</i> complex, in particular <i>H.javanica</i> based on leaf shape and serrations, but can be easily distinguished by elliptic lanceolate and thick coriaceous leaves, well differentiated seasonal constriction zones, and reflexed leaf margins when get dried. Phylogenomic reconstruction using whole chloroplast genome sequences recovered <i>H.crassifolia</i> as sister to <i>H.sutchueniana</i> and only distantly related to morphological similar species <i>H.javanica</i>, <i>H.nanlingensis</i>, and <i>H.serrata.</i> The genome size 2C = 17.2 pg indicated the new species to be a tetraploid, whereas diploid <i>H.javanica</i> had a genome size of 8.7 pg. Morphological characters, distribution, and conservation status of the new species are also presented.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11375336/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142140789","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":"A new species and a new record of <i>Phlomoides</i> (Lamiaceae) from Xizang, China.","authors":"Yue Zhao, Ya-Ping Chen, Rui-Zhu Bai, Colin A Pendry, Alexander P Sukhorukov, Chun-Lei Xiang","doi":"10.3897/phytokeys.246.129057","DOIUrl":"10.3897/phytokeys.246.129057","url":null,"abstract":"<p><p><i>Phlomoidesbomiensis</i>, a new species in Bomi County, Xizang, China, was described and illustrated. In addition, <i>Phlomoideslongidentata</i>, previously only known from Nepal and Bhutan, is newly recorded from Dingri County, Xizang, China. The phylogenetic placement of both species within the genus was analysed using nine plastid DNA markers (<i>atpB-rbcL</i>, <i>psbA-trnH</i>, <i>rpl16</i>, <i>rpl32-trnL</i>, <i>rps16</i>, <i>trnK</i>, <i>trnL-trnF</i>, <i>trnS-trnG</i>, <i>trnT-trnL</i>). Both species have brown-black trichomes inside the upper corolla lip and nested within the same subclade of Clade II. A diagnostic key to the <i>Phlomoides</i> species belonging to this subclade is provided.</p>","PeriodicalId":20070,"journal":{"name":"PhytoKeys","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11372290/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142133457","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}