P. Sánchez-Gómez, José Luis Cánovas, A. Lahora, Antonio E. Catalán, J. F. Jiménez-Martínez
Cistus pouzolzii is a species distributed in the western Mediterranean. Its populations are located in France and North Africa, being absent in the Iberian Peninsula.. It was described by Delile, but its taxonomic and nomenclatural status has been discussed by several authors, mainly based on its particular combination of morphological characters. We have recently found several populations of a Cistus species whose morphological characters match those of C. pouzolzii. To confirm the taxonomic identity of these populations, a comparative study was performed using herbarium specimens of C. pouzolzii from France and North Africa. In addition, two chloroplast regions were sequenced to study the phylogenetic relationships between the newly discovered Iberian populations and the rest of the species of the genus Cistus, including the sequences belonging to C. pouzolzii from France and Morocco previously used. Both analyses (morphological and phylogenetic studies) confirmed that the specimens sampled in the Iberian populations were C. pouzolzii. Furthermore, both the nomenclature of this species and its conservation status are briefly discussed.
Cistus pouzolzii 是一种分布于地中海西部的植物。其种群分布在法国和北非，伊比利亚半岛没有分布。它由 Delile 描述，但其分类学和命名学地位已被多位学者讨论过，主要是基于其形态特征的特殊组合。我们最近发现了几个形态特征与 C. pouzolzii 相同的肉苁蓉种群。为了确认这些种群的分类学特征，我们利用标本馆中来自法国和北非的 C. pouzolzii 标本进行了比较研究。此外，还对两个叶绿体区域进行了测序，以研究新发现的伊比利亚种群与肉苁蓉属其他物种之间的系统发育关系，包括之前使用的属于法国和摩洛哥 C. pouzolzii 的序列。这两项分析（形态学和系统发育研究）都证实了伊比利亚种群中的样本为 C. pouzolzii。此外，还简要讨论了该物种的命名及其保护状况。
{"title":"Disentangling the taxonomical uncertainties about the presence of Cistus pouzolzii Delile in the Iberian Peninsula","authors":"P. Sánchez-Gómez, José Luis Cánovas, A. Lahora, Antonio E. Catalán, J. F. Jiménez-Martínez","doi":"10.5209/mbot.90714","DOIUrl":"https://doi.org/10.5209/mbot.90714","url":null,"abstract":"Cistus pouzolzii is a species distributed in the western Mediterranean. Its populations are located in France and North Africa, being absent in the Iberian Peninsula.. It was described by Delile, but its taxonomic and nomenclatural status has been discussed by several authors, mainly based on its particular combination of morphological characters. We have recently found several populations of a Cistus species whose morphological characters match those of C. pouzolzii. To confirm the taxonomic identity of these populations, a comparative study was performed using herbarium specimens of C. pouzolzii from France and North Africa. In addition, two chloroplast regions were sequenced to study the phylogenetic relationships between the newly discovered Iberian populations and the rest of the species of the genus Cistus, including the sequences belonging to C. pouzolzii from France and Morocco previously used. Both analyses (morphological and phylogenetic studies) confirmed that the specimens sampled in the Iberian populations were C. pouzolzii. Furthermore, both the nomenclature of this species and its conservation status are briefly discussed.","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":"23 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139230268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Orobanche salviae is a European orophyte and considered an exclusive parasite of Salvia glutinosa. Here we provide the first report of the species for the Iberian Peninsula, which we discovered recently in the eastern Catalan Pyrenees. The closest reliable known localities are in the French Maritime Alps, although it was also previously reported with uncertainty from the French Pyrenees. The new found populations are located at the absolute western limit of the distribution of the species. We provide a description of its distribution, habitat and, given its rarity, we suggest a category of threat following the IUCN criteria.
{"title":"Orobanche salviae (Orobanchaceae), new to the flora of the Iberian Peninsula","authors":"Arnau Mercadé López, Aaron Pérez-Haase","doi":"10.5209/mbot.86862","DOIUrl":"https://doi.org/10.5209/mbot.86862","url":null,"abstract":"Orobanche salviae is a European orophyte and considered an exclusive parasite of Salvia glutinosa. Here we provide the first report of the species for the Iberian Peninsula, which we discovered recently in the eastern Catalan Pyrenees. The closest reliable known localities are in the French Maritime Alps, although it was also previously reported with uncertainty from the French Pyrenees. The new found populations are located at the absolute western limit of the distribution of the species. We provide a description of its distribution, habitat and, given its rarity, we suggest a category of threat following the IUCN criteria.","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":"13 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139233317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kateřina Vojtěchová, Lucie Kobrlová, Miloslav Kitner, Roman Kalous, Vassilis Ioannidis, D. Tzanoudakis, M. Duchoslav
Allium sect. Codonoprasum represents an evolutionarily young and rapidly radiating group of bulbous geophytes, with a significant proportion of polyploids and minor morphological differences between species. In the last 20 years, dozens of new species of this section have been described from the Mediterranean. Still, very little new information has been obtained on most of them since their description, especially concerning cytogenetic, molecular, and distribution data. Allium goumenissanum is a recently described species of this section, known only from three nearby localities in northern Greece. During the last 10 years, the senior authors' team collected population samples of an unknown species of this section from the southern Balkans, which appeared to be representative of A. goumenissanum. Using an integrated approach employing a range of methods (cytogenic, molecular, morpho- and micromorphological methods), the populations of an unknown species were compared with morphologically similar species A. goumenissanum and A. stamatiadae. AFLP, ITS sequencing and genome size analyses revealed that all the populations of the unknown species represent A. goumenissanum, and that this species is differentiated genetically and in genome size from A. stamatiadae. ITS sequencing indicates an allotriploid origin of A. goumenissanum from unknown ancestors. The characterization of the morphology and reproduction of A. goumenissanum is completed and micromorphological and anatomical characteristics of the leaves of both species are newly published. The distribution of A. goumenissanum, based on new data, now includes a more extensive area of north central Greece and the species has been found as a new one for Bulgaria.
薤白科Codonoprasum 代表了一个进化年轻、辐射迅速的球根地生植物群落，多倍体占很大比例，物种之间的形态差异很小。在过去的 20 年中，地中海地区描述了数十个该科的新物种。不过，自描述以来，关于其中大多数物种的新信息，特别是细胞遗传学、分子和分布数据，仍然很少。Allium goumenissanum 是新近描述的该区系的一个物种，仅从希腊北部附近的三个地方知道它的存在。在过去 10 年中，资深作者的团队从巴尔干半岛南部采集了该部分一个未知物种的种群样本，该样本似乎是 A. goumenissanum 的代表。采用综合方法（细胞学、分子学、形态学和微形态学方法），将未知物种的种群与形态上相似的物种 A. goumenissanum 和 A. stamatiadae 进行了比较。AFLP、ITS 测序和基因组大小分析表明，该未知物种的所有种群均代表 A. goumenissanum，而且该物种在基因组和基因组大小上与 A. stamatiadae 有所区别。ITS 测序表明，A. goumenissanum 起源于未知祖先的异源三倍体。goumenissanum 的形态和繁殖特征的研究已经完成，并新发表了这两个物种叶片的微观形态和解剖特征。根据新的数据，A. goumenissanum 的分布现在包括了希腊中北部更广阔的地区，该物种也被发现为保加利亚的新物种。
{"title":"Allium goumenissanum (Allium sect. Codonoprasum), a new species for Bulgaria and new localities in Greece: testing an integrated approach to species identification","authors":"Kateřina Vojtěchová, Lucie Kobrlová, Miloslav Kitner, Roman Kalous, Vassilis Ioannidis, D. Tzanoudakis, M. Duchoslav","doi":"10.5209/mbot.89106","DOIUrl":"https://doi.org/10.5209/mbot.89106","url":null,"abstract":"Allium sect. Codonoprasum represents an evolutionarily young and rapidly radiating group of bulbous geophytes, with a significant proportion of polyploids and minor morphological differences between species. In the last 20 years, dozens of new species of this section have been described from the Mediterranean. Still, very little new information has been obtained on most of them since their description, especially concerning cytogenetic, molecular, and distribution data. Allium goumenissanum is a recently described species of this section, known only from three nearby localities in northern Greece. During the last 10 years, the senior authors' team collected population samples of an unknown species of this section from the southern Balkans, which appeared to be representative of A. goumenissanum. Using an integrated approach employing a range of methods (cytogenic, molecular, morpho- and micromorphological methods), the populations of an unknown species were compared with morphologically similar species A. goumenissanum and A. stamatiadae. AFLP, ITS sequencing and genome size analyses revealed that all the populations of the unknown species represent A. goumenissanum, and that this species is differentiated genetically and in genome size from A. stamatiadae. ITS sequencing indicates an allotriploid origin of A. goumenissanum from unknown ancestors. The characterization of the morphology and reproduction of A. goumenissanum is completed and micromorphological and anatomical characteristics of the leaves of both species are newly published. The distribution of A. goumenissanum, based on new data, now includes a more extensive area of north central Greece and the species has been found as a new one for Bulgaria.","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":"26 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139230431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"In Memoriam Ramon Maria Masalles i Saumell","authors":"Josep Ninot, Rosario G. Gavilán","doi":"10.5209/mbot.92511","DOIUrl":"https://doi.org/10.5209/mbot.92511","url":null,"abstract":"","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":"13 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134991376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"In Memoriam, Juan Carlos Báscones Carretero","authors":"Javier Loidi","doi":"10.5209/mbot.92061","DOIUrl":"https://doi.org/10.5209/mbot.92061","url":null,"abstract":"In Memoriam, Juan Carlos Báscones Carretero","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":"13 7","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135367166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Floral longevity is a selected trait that shows plasticity, allowing plants to balance resource allocation and reproduction. In dichogamous flowers—in which female and male functions are decoupled in time—the duration of the female phase is expected to vary according to pollination status. We used Aristolochia rotunda as a model to test the hypothesis that the female phase should be shortened following pollen deposition on the stigma, and to identify the signal for phase switching. Aristolochia flowers are protogynous (female phase first) and trap pollinators for several days (trap flowers). The four experimental treatments we applied to flowers, i.e. hand pollination, presence of pollinators with or without pollen load in the flower, and deposition of a nylon thread on the stigma, shortened the female phase to a similar extent, demonstrating that the duration of the female phase depended on the presence of pollinators, independently of whether or not they carried pollen, and that mechanical stimulation of the stigmas was the signal for phase switching. Temperature was also shown to shorten the female stage. This mechanism of post-anthesis floral changes is original because usually such changes are triggered by chemical interactions between pollen and stigmas. We interpret the mechanical signal used in A. rotunda for phase switching to be adaptive when pollinators are limiting, because switching to the male phase even if the trapped pollinator does not bring pollen would ensure fulfilling the flower’s male function.
{"title":"Mechanical stimulation of the stigmas triggers switch from female to male phase in the protogynous trap flower of Aristolochia rotunda (Aristolochiaceae)","authors":"Rumsaïs Blatrix, Aroonrat Kidyoo, Inès Matrougui, Paradorn Samsungnoen, Doyle McKey, Magali Proffit","doi":"10.5209/mbot.85906","DOIUrl":"https://doi.org/10.5209/mbot.85906","url":null,"abstract":"Floral longevity is a selected trait that shows plasticity, allowing plants to balance resource allocation and reproduction. In dichogamous flowers—in which female and male functions are decoupled in time—the duration of the female phase is expected to vary according to pollination status. We used Aristolochia rotunda as a model to test the hypothesis that the female phase should be shortened following pollen deposition on the stigma, and to identify the signal for phase switching. Aristolochia flowers are protogynous (female phase first) and trap pollinators for several days (trap flowers). The four experimental treatments we applied to flowers, i.e. hand pollination, presence of pollinators with or without pollen load in the flower, and deposition of a nylon thread on the stigma, shortened the female phase to a similar extent, demonstrating that the duration of the female phase depended on the presence of pollinators, independently of whether or not they carried pollen, and that mechanical stimulation of the stigmas was the signal for phase switching. Temperature was also shown to shorten the female stage. This mechanism of post-anthesis floral changes is original because usually such changes are triggered by chemical interactions between pollen and stigmas. We interpret the mechanical signal used in A. rotunda for phase switching to be adaptive when pollinators are limiting, because switching to the male phase even if the trapped pollinator does not bring pollen would ensure fulfilling the flower’s male function.","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":"281 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135618925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Enrique Luengo, Rosina Magaña Ugarte, Juan Manuel Martínez Labarga, Rubén De Pablo Sanz, Daniel Sánchez-Mata
Soils rich in expansive clays (i.e., smectite and montmorillonite, and, to a lesser extent, soft clays such as sepiolite and palygorskite) are found in a broad stretch running NNE-SSW from the east of Madrid to the Tagus River surrounds in the province of Toledo. These clays tend to give rise to a specific type of soil, known as "vertisols" or related argillic soils with vertic behaviour, varied chemical and sedimentological composition, and occasionally siliceous or dolomitic clasts. In these soils, where there is an absence of woody vegetation, the colonising nitrophilous vegetation becomes of particular interest through the usage and alteration of the land. These argillic soil plant communities are incredibly diversified, with flora suited to the unique hydrogeochemical conditions of these settings. The variety of these plant communities is determined by factors such as land use, lithology, terrain, and the level of humidity they can withstand. We identify the primary plant community on the Madrid-Toledo expansive clays in this paper, as well as provide a preliminary approach to the different varieties and transitions to other related plant communities. The main dynamic and catena links are established, and a floristically summarised table is provided, along with a descriptive examination of the community's behaviour and variability. Finally, its conservation status and the high degree of threat to which it is subjected are assessed.
{"title":"Vegetation on expansive clay soils from Madrid and La Sagra region (Madrid-Toledo, Spain)","authors":"Enrique Luengo, Rosina Magaña Ugarte, Juan Manuel Martínez Labarga, Rubén De Pablo Sanz, Daniel Sánchez-Mata","doi":"10.5209/mbot.87773","DOIUrl":"https://doi.org/10.5209/mbot.87773","url":null,"abstract":"Soils rich in expansive clays (i.e., smectite and montmorillonite, and, to a lesser extent, soft clays such as sepiolite and palygorskite) are found in a broad stretch running NNE-SSW from the east of Madrid to the Tagus River surrounds in the province of Toledo. These clays tend to give rise to a specific type of soil, known as \"vertisols\" or related argillic soils with vertic behaviour, varied chemical and sedimentological composition, and occasionally siliceous or dolomitic clasts. In these soils, where there is an absence of woody vegetation, the colonising nitrophilous vegetation becomes of particular interest through the usage and alteration of the land. These argillic soil plant communities are incredibly diversified, with flora suited to the unique hydrogeochemical conditions of these settings. The variety of these plant communities is determined by factors such as land use, lithology, terrain, and the level of humidity they can withstand. We identify the primary plant community on the Madrid-Toledo expansive clays in this paper, as well as provide a preliminary approach to the different varieties and transitions to other related plant communities. The main dynamic and catena links are established, and a floristically summarised table is provided, along with a descriptive examination of the community's behaviour and variability. Finally, its conservation status and the high degree of threat to which it is subjected are assessed.","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":"281 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135619339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maria Soledad Villalba, Gabriela Entrocassi, Eduardo Martínez Carretero
The Subtropical Mountain Forests or Yungas at the northern extreme of Argentina (Sierras de Tartagal, Alto Macueta and del Alto Río Seco, Salta Province) were bioclimatically characterized for the first time. In this study, the methodology of the Bioclimatic Classification of Earth was applied. Twelve Temperature and Precipitation climatic parameters were used and three bioclimatic indices corresponding to 54 Bioclimatic Reference Localities (BRL) established in the study area were also calculated. From them we determined the bioclimatic units of each BRL at the level of Macrobioclimate, Bioclimate, Thermotypes and Ombrotypes. Subsequently, three bioclimatic maps (Bioclimate, Thermotypes and Ombrotypes) and two bioclimatic distribution maps of the forests and its vegetation belt (Premontane Forest and Montane Rainforest) were digitally developed using the QGIS software. The results obtained show that these forests are distributed within the Tropical Macrobioclimate and Tropical Pluviseasonal Bioclimate, with Upper Thermotropical and Lower Mesotropical thermotypes and Lower Subhumid and Upper Subhumid ombrotypes. The lowest vegetation belt, the Premontane Forest, is distributed between (≈400) 429-889 (≈900) m asl and exhibits two thermal variants: the warm Thermotropical Premontane Forest and the more temperate Mesotropical Premontane Forest. The Montane Rainforest is distributed at higher altitudes between (≈900) 965-1178 (≈1200) m als under Lower Mesotropical Thermotype. Both vegetation belts present two ombric variants, whose geographic distribution is determined by the precipitation gradient operating in the region: towards the West, the more humid variants are distributed under the Upper Subhumid ombrotype, while towards the East, the less humid variants are found under Lower Subhumid ombrotype. The present work constitutes the first bioclimatic study carried out in this forest formation applying the methodology of the Bioclimatic Classification of the Earth. It also lays the foundations and contributes whith valuable information to future floristic, vegetational, ecological and biogeographical studies and those focused on the conservation and sustainable management of native forests at the northern extreme of Argentina.
首次对阿根廷北部最北端的亚热带山地森林(sierra de Tartagal, Alto Macueta和del Alto Río Seco, Salta省)进行了生物气候特征研究。本研究采用地球生物气候分类的方法。利用12个温度和降水气候参数，计算了54个生物气候参考点(BRL)对应的3个生物气候指数。从宏观气候、生物气候、热型和温型四个层次确定了各地区的生物气候单位。随后，利用QGIS软件编制了3张生物气候图(生物气候图、热型图和温型图)和2张森林及其植被带的生物气候图(山地森林和山地雨林)。结果表明，这些森林分布在热带大生物气候和热带丰季生物气候中，具有上热热带和下中热带热型以及下半湿润和上半湿润型。最低的植被带，即前山林，分布在(≈400)429-889(≈900)m / l之间，表现出两种热变化:温暖的热热带前山林和更温和的中热带前山林。山地雨林分布在海拔(≈900)965-1178(≈1200)m之间，属于中热带低热型。两种植被带均呈现两种组分变化，其地理分布由区域内降水梯度决定:向西，湿润程度较高的组分分布在上亚湿润型下，而向东，湿润程度较低的组分分布在下亚湿润型下。目前的工作是应用地球生物气候分类的方法在这一森林地层中进行的第一次生物气候研究。它还为未来的植物区系、植被、生态和生物地理研究以及以保护和可持续管理阿根廷最北端原生森林为重点的研究奠定基础并提供宝贵的信息。
{"title":"Bioclimatic characterisation of the Subtropical Mountain Forests of Yungas at the northern extreme of Argentina: Sierras de Tartagal, Alto Macueta and del Alto Rio Seco (Salta Province)","authors":"Maria Soledad Villalba, Gabriela Entrocassi, Eduardo Martínez Carretero","doi":"10.5209/mbot.87801","DOIUrl":"https://doi.org/10.5209/mbot.87801","url":null,"abstract":"The Subtropical Mountain Forests or Yungas at the northern extreme of Argentina (Sierras de Tartagal, Alto Macueta and del Alto Río Seco, Salta Province) were bioclimatically characterized for the first time. In this study, the methodology of the Bioclimatic Classification of Earth was applied. Twelve Temperature and Precipitation climatic parameters were used and three bioclimatic indices corresponding to 54 Bioclimatic Reference Localities (BRL) established in the study area were also calculated. From them we determined the bioclimatic units of each BRL at the level of Macrobioclimate, Bioclimate, Thermotypes and Ombrotypes. Subsequently, three bioclimatic maps (Bioclimate, Thermotypes and Ombrotypes) and two bioclimatic distribution maps of the forests and its vegetation belt (Premontane Forest and Montane Rainforest) were digitally developed using the QGIS software. The results obtained show that these forests are distributed within the Tropical Macrobioclimate and Tropical Pluviseasonal Bioclimate, with Upper Thermotropical and Lower Mesotropical thermotypes and Lower Subhumid and Upper Subhumid ombrotypes. The lowest vegetation belt, the Premontane Forest, is distributed between (≈400) 429-889 (≈900) m asl and exhibits two thermal variants: the warm Thermotropical Premontane Forest and the more temperate Mesotropical Premontane Forest. The Montane Rainforest is distributed at higher altitudes between (≈900) 965-1178 (≈1200) m als under Lower Mesotropical Thermotype. Both vegetation belts present two ombric variants, whose geographic distribution is determined by the precipitation gradient operating in the region: towards the West, the more humid variants are distributed under the Upper Subhumid ombrotype, while towards the East, the less humid variants are found under Lower Subhumid ombrotype. The present work constitutes the first bioclimatic study carried out in this forest formation applying the methodology of the Bioclimatic Classification of the Earth. It also lays the foundations and contributes whith valuable information to future floristic, vegetational, ecological and biogeographical studies and those focused on the conservation and sustainable management of native forests at the northern extreme of Argentina.","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135618765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
An unusual population of Alternanthera was discovered in the South-Eastern part of Sicily. In this paper, we analyze the morphological features of the collected specimens and the ecological features of the community in which they were found. Also, we discuss the taxonomic criticality of the genus and assess the risk that the new finding may become invasive. The species found is a new floristic record for the flora of both Italy and Europe. However, due to the taxonomic criticalities of the whole genus, specific identification cannot be given for certain, and further investigations are needed.
{"title":"First finding of an unusual population of Alternanthera in Sicily and considerations on its morphological peculiarities, ecological requirements, and potential invasiveness","authors":"Corrado Marcenò, Duilio Iammonico, Roberto Venanzoni, Ilaria Boschi, Riccardo Guarino","doi":"10.5209/mbot.84939","DOIUrl":"https://doi.org/10.5209/mbot.84939","url":null,"abstract":"An unusual population of Alternanthera was discovered in the South-Eastern part of Sicily. In this paper, we analyze the morphological features of the collected specimens and the ecological features of the community in which they were found. Also, we discuss the taxonomic criticality of the genus and assess the risk that the new finding may become invasive. The species found is a new floristic record for the flora of both Italy and Europe. However, due to the taxonomic criticalities of the whole genus, specific identification cannot be given for certain, and further investigations are needed.","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136308030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Presentamos la revisión y actualización de las comunidades vegetales y series de vegetación del Parque Nacional de la Sierra de Guadarrama y su área de protección periférica. Se reconocen 131 asociaciones pertenecientes a 40 clases fitosociológicas, distribuidas en 9 grupos de vegetación. Se describen 7 nuevas asociaciones.
{"title":"Syntaxonomical checklist and vegetation series of Sierra de Guadarrama National Park","authors":"Paloma Cantó, Salvador Rivas-Martínez","doi":"10.5209/mbot.84904","DOIUrl":"https://doi.org/10.5209/mbot.84904","url":null,"abstract":"Presentamos la revisión y actualización de las comunidades vegetales y series de vegetación del Parque Nacional de la Sierra de Guadarrama y su área de protección periférica. Se reconocen 131 asociaciones pertenecientes a 40 clases fitosociológicas, distribuidas en 9 grupos de vegetación. Se describen 7 nuevas asociaciones.","PeriodicalId":54240,"journal":{"name":"Mediterranean Botany","volume":"156 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136308523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：