Plant Diversity最新文献

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Effective palynological diversity indices for reconstructing angiosperm diversity in China.
IF 4.6 1区 生物学
Plant Diversity Pub Date : 2025-01-30 eCollection Date: 2025-03-01 DOI: 10.1016/j.pld.2025.01.004
Yuxuan Jiang, Fuli Wu, Xiaomin Fang, Haitao Wang, Yulong Xie, Cuirong Yu
{"title":"Effective palynological diversity indices for reconstructing angiosperm diversity in China.","authors":"Yuxuan Jiang, Fuli Wu, Xiaomin Fang, Haitao Wang, Yulong Xie, Cuirong Yu","doi":"10.1016/j.pld.2025.01.004","DOIUrl":"10.1016/j.pld.2025.01.004","url":null,"abstract":"<p><p>The utilization of palynological data for plant diversity reconstructions offers notable advantages in addressing the discontinuity of plant fossils in the stratigraphic record. However, additional studies of modern processes are required to validate or refine the accuracy of diversity results obtained from palynological data. In this study, we used a modern pollen dataset of China to compare the accuracy of plant diversity reconstructions using five different palynological diversity indices (i.e., the pollen species number, Berger-Parker index, Simpson diversity index, Hill index, and Shannon-Wiener index) over a large spatial scale. We then identified climate factors that are most strongly correlated with these patterns of plant diversity. We found that the index that most accurately reflects plant diversity is the Shannon-Wiener index. Our analyses indicated that the most effective indices at reflecting plant diversity are the Shannon-Wiener index and Berger-Parker index. Numerical analysis revealed that palynological diversity (measured using the Shannon-Wiener index) was strongly correlated with climatic parameters, in particular average temperature in the coldest month and annual precipitation, suggesting these factors may be primary determinants of plant diversity distribution. We also found that a threshold value of the normalized Shannon-Wiener index (NH = 0.4) approximately aligns with the contour line specifying 400 mm annual precipitation, serving as a rudimentary indicator for assessing plant diversity in arid versus humid climates. This study suggests that pollen diversity indices have remarkable potential for quantitatively reconstructing paleoclimatic parameters.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"47 2","pages":"244-254"},"PeriodicalIF":4.6,"publicationDate":"2025-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11963190/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143780969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Quantitative nectar spur length governs nonrandom mating in a bee-pollinated Aquilegia species.
IF 4.6 1区 生物学
Plant Diversity Pub Date : 2025-01-29 eCollection Date: 2025-03-01 DOI: 10.1016/j.pld.2025.01.005
Mingliu Yang, Zhi-Qiang Zhang
{"title":"Quantitative nectar spur length governs nonrandom mating in a bee-pollinated <i>Aquilegia</i> species.","authors":"Mingliu Yang, Zhi-Qiang Zhang","doi":"10.1016/j.pld.2025.01.005","DOIUrl":"10.1016/j.pld.2025.01.005","url":null,"abstract":"<p><p>Mating patterns in angiosperms are typically nonrandom, yet the mechanisms driving nonrandom mating remain unclear, especially regarding the effects of quantitative floral traits on plant mating success across male and female functions. In this study, we investigated how variation in spur length and flower number per plant influences mating patterns in <i>Aquilegia</i> <i>rockii</i> within a natural population. Using marker-based paternity analyses and manipulative experiments, we assessed the role of these traits in mating success across both sexual functions. We found significant variation in the mate composition between male and female function, with spur-length frequency positively associated with female outcrossing rate and mate number, but not with male outcrossing or mate number. Most mating events occurred within 10 m, and spur-length frequency positively correlated with mating distance. Regardless of selfing, there was evidence for assortative mating for spur length. Although spur length did not correlate with pollinator visitation, plants with mid-length spurs had higher seed set than those with shorter or longer spurs when autonomous selfing was excluded. Flowers number per plant was only associated with mating distance and female outcrossing rate. Our results suggest that spur length plays a key role in nonrandom mating by frequency-dependent mating, with implications for stabilizing selection and maintenance of genetic diversity. This study advances our understanding of floral diversity by dissecting the role of quantitative floral traits in plant mating through both female and male functions.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"47 2","pages":"323-336"},"PeriodicalIF":4.6,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11962968/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143780985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Environmental drivers of herbaceous plant diversity in the understory community of a warm-temperate forest.
IF 4.6 1区 生物学
Plant Diversity Pub Date : 2025-01-23 eCollection Date: 2025-03-01 DOI: 10.1016/j.pld.2025.01.003
Tingting Deng, Qingqing Du, Yan Zhu, Simon A Queenborough
{"title":"Environmental drivers of herbaceous plant diversity in the understory community of a warm-temperate forest.","authors":"Tingting Deng, Qingqing Du, Yan Zhu, Simon A Queenborough","doi":"10.1016/j.pld.2025.01.003","DOIUrl":"10.1016/j.pld.2025.01.003","url":null,"abstract":"<p><p>Herbaceous plants are an essential component of forest diversity and driver of ecosystem processes. However, because the growth forms and life-history strategies of herbaceous plants differ from those of woody plants, it is unclear whether the mechanisms that drive patterns plant diversity and community structure in these two plant groups are the same. In this study, we determined whether herb and woody plant communities have similar patterns and drivers of alpha- and beta-diversity. We compared species richness, distribution, and abundance of herbs to woody seedlings in a 20-ha Donglingshan warm-temperate forest (Donglingshan FDP), China. We also determined whether variation in patterns of species richness and composition are better explained by environmental or spatial variables. Herbaceous plants accounted for 72% of all species (81 herbaceous, 31 woody) recorded. Alpha- and beta-diversity were higher in herbs than in woody seedlings. Although alpha-diversity of herbs and woody seedlings was not correlated across the site, the local-site contributions to beta-diversity for herbs and woody seedlings were negatively correlated. Habitat type explained slightly more variation in herb community composition than in woody seedling composition, with the highest diversity in the low-elevation slope. Environmental variables explained the variation in species richness and composition more in herbaceous plants than in woody seedlings. Our results indicate that different mechanisms drive variation in the herb and woody seedling communities, with herbs exhibiting greater environmental sensitivity and habitat dependence. These findings contribute to the better understanding of herbaceous plant diversity and composition in forest communities.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"47 2","pages":"282-290"},"PeriodicalIF":4.6,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11963103/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143780982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
The chromosome-scale genome of black wolfberry (Lycium ruthenicum) provides useful genomic resources for identifying genes related to anthocyanin biosynthesis and disease resistance.
IF 4.6 1区 生物学
Plant Diversity Pub Date : 2025-01-06 eCollection Date: 2025-03-01 DOI: 10.1016/j.pld.2025.01.001
Gulbar Yisilam, Enting Zheng, Chuanning Li, Zhiyong Zhang, Ying Su, Zhenzhou Chu, Pan Li, Xinmin Tian
{"title":"The chromosome-scale genome of black wolfberry (<i>Lycium ruthenicum</i>) provides useful genomic resources for identifying genes related to anthocyanin biosynthesis and disease resistance.","authors":"Gulbar Yisilam, Enting Zheng, Chuanning Li, Zhiyong Zhang, Ying Su, Zhenzhou Chu, Pan Li, Xinmin Tian","doi":"10.1016/j.pld.2025.01.001","DOIUrl":"10.1016/j.pld.2025.01.001","url":null,"abstract":"<p><p>The black wolfberry (<i>L</i> <i>ycium</i> <i>ruthenicum</i>; 2<i>n</i> = 2<i>x</i> = 24) is an important medicinal plant with ecological and economic value. Its fruits have numerous beneficial pharmacological activities, especially those of anthocyanins, polysaccharides, and alkaloids, and have high nutritional value. However, the lack of available genomic resources for this species has hindered research on its medicinal and evolutionary mechanisms. In this study, we developed the telomere-to-telomere (T2T) nearly gapless genome of <i>L. ruthenicum</i> (2.26 Gb) by integrating PacBio HiFi, Nanopore Ultra-Long, and Hi-C technologies. The assembled genome comprised 12 chromosomes with 37,149 protein-coding genes functionally annotated. Approximately 80% of the repetitive sequences were identified, of which long terminal repeats (LTRs) were the most abundant, accounting for 73.01%. The abundance of LTRs might be the main reason for the larger genome of this species compared to that of other <i>Lycium</i> species. The species-specific genes of <i>L. ruthenicum</i> were related to defense mechanisms, salt tolerance, drought resistance, and oxidative stress, further demonstrating their superior adaptability to arid environments. Based on the assembled genome and fruit transcriptome data, we further constructed an anthocyanin biosynthesis pathway and identified 19 candidate structural genes and seven transcription factors that regulate anthocyanin biosynthesis in the fruit developmental stage of <i>L. ruthenicum</i>, most of which were highly expressed at a later stage in fruit development. Furthermore, 154 potential disease resistance-related nucleotide-binding genes have been identified in the <i>L. ruthenicum</i> genome. The whole-genome and proximal, dispersed, and tandem duplication genes in the <i>L. ruthenicum</i> genome enriched the number of genes involved in anthocyanin synthesis and resistance-related pathways. These results provide an important genetic basis for understanding genome evolution and biosynthesis of pharmacologically active components in the <i>Lycium</i> genus.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"47 2","pages":"201-213"},"PeriodicalIF":4.6,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11963026/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143780986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Genome compaction underlies the molecular adaptation of bay cedar (Suriana maritima) to the extreme habitat on the tropical coral islands.
IF 4.6 1区 生物学
Plant Diversity Pub Date : 2025-01-06 eCollection Date: 2025-03-01 DOI: 10.1016/j.pld.2025.01.002
Miaomiao Shi, Ping Liang, Zhonglai Luo, Yu Zhang, Shiran Gu, Xiangping Wang, Xin Qian, Shuguang Jian, Kuaifei Xia, Shijin Li, Zhongtao Zhao, Tieyao Tu, Dianxiang Zhang
{"title":"Genome compaction underlies the molecular adaptation of bay cedar (<i>Suriana maritima</i>) to the extreme habitat on the tropical coral islands.","authors":"Miaomiao Shi, Ping Liang, Zhonglai Luo, Yu Zhang, Shiran Gu, Xiangping Wang, Xin Qian, Shuguang Jian, Kuaifei Xia, Shijin Li, Zhongtao Zhao, Tieyao Tu, Dianxiang Zhang","doi":"10.1016/j.pld.2025.01.002","DOIUrl":"10.1016/j.pld.2025.01.002","url":null,"abstract":"<p><p>•The assembled genome of Bay cedar is 292.8 Mb, representing a small genome size within Fabales.•The compact genome was likely caused by remarkable reduction of long terminal repeat retrotransposons and gene losses.•The genes related to cold tolerance and pest/pathogen resistance were largely lost.•Expanded, positively selected, or retained genes after WGD may drive Bay cedar's adaptation to tropical coral islands.•Differentially expressed genes under salt and drought stresses were particularly identified in the abscisic acid pathway.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"47 2","pages":"337-340"},"PeriodicalIF":4.6,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11962907/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143780983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Multi-disciplinary evidence illuminates the speciation history of a monophyletic yet dimorphic lily group.
IF 4.6 1区 生物学
Plant Diversity Pub Date : 2024-12-28 eCollection Date: 2025-03-01 DOI: 10.1016/j.pld.2024.12.005
Yu Feng, Chaochao Yan, Wen-Qin Tu, Yu-Mei Yuan, Jing-Bo Wang, Xiao-Juan Chen, Chang-Qiu Liu, Yundong Gao
{"title":"Multi-disciplinary evidence illuminates the speciation history of a monophyletic yet dimorphic lily group.","authors":"Yu Feng, Chaochao Yan, Wen-Qin Tu, Yu-Mei Yuan, Jing-Bo Wang, Xiao-Juan Chen, Chang-Qiu Liu, Yundong Gao","doi":"10.1016/j.pld.2024.12.005","DOIUrl":"10.1016/j.pld.2024.12.005","url":null,"abstract":"<p><p>Species boundaries are dynamic and constantly challenged by gene flow. Understanding the strategies different lineages adopt to maintain ecological and genetic distinctiveness requires employing an integrative species concept that incorporates data from a variety of sources. In this study, we incorporated genetic, ecological, and environmental evidence to assess the extent of speciation or evolutionary divergence within a monophyletic yet dimorphic group (i.e., clade Leucolirion consisting of six species) within the genus <i>Lilium</i>. This clade consists of two lineages that exhibit unexpectedly distinct perianth appearances: whitish trumpet (funnel form, encompassing four species) and orange recurved (reflex form, including two species), respectively, which are separated by completely different pollination syndromes. Transcriptome-based nuclear and plastome datasets indicate that these two lineages are isolated, with only weak ancient gene flow between them. Within each lineage, several taxa with incomplete isolation have diverged, as indicated by weak genetic structure, strong gene flow, and conflicts between nuclear and chloroplast phylogenies, especially in the trumpet lineage. Although these taxa are not entirely independent, our evidence indicates that they are diverging, with recent gene flow disappearing and multiple isolation strategies emerging, such as differences in flowering time and niche specialization. Taken together, our findings suggest that species divergence and maintenance in <i>Lilium</i> are driven by a combination of adaptive and non-adaptive processes, highlighting the complex interplay of historical climate changes, ecological adaptation, and gene flow in shaping biodiversity within this genus.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"47 2","pages":"189-200"},"PeriodicalIF":4.6,"publicationDate":"2024-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11963083/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143780984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
The ethics of theft: Reevaluating the impacts of floral larceny on plant reproductive success. 偷窃的道德:重新评估花卉盗窃对植物繁殖成功的影响。
IF 4.6 1区 生物学
Plant Diversity Pub Date : 2024-12-20 eCollection Date: 2025-01-01 DOI: 10.1016/j.pld.2024.12.004
Jin-Ru Zhong, Xiao-Fang Jin, Michael C Orr, Xiao-Qing Li, Yong-Deng He, Sheng-Wei Wang, Qing-Feng Wang, Chun-Feng Yang, Zhong-Ming Ye
{"title":"The ethics of theft: Reevaluating the impacts of floral larceny on plant reproductive success.","authors":"Jin-Ru Zhong, Xiao-Fang Jin, Michael C Orr, Xiao-Qing Li, Yong-Deng He, Sheng-Wei Wang, Qing-Feng Wang, Chun-Feng Yang, Zhong-Ming Ye","doi":"10.1016/j.pld.2024.12.004","DOIUrl":"10.1016/j.pld.2024.12.004","url":null,"abstract":"<p><p>Plants and their interaction partners offer unparalleled views of evolutionary ecology. Nectar larceny, entailing nectar extraction without pollinating, is thought to be an example of a harmful, antagonistic behavior, but the precise consequences of floral larceny on plant reproductive success remain contentious. We conducted a comprehensive meta-analysis of 153 studies across 120 plant species, using 14 moderators to assess the effects of floral larceny on plant reproductive success and examine the key moderators. We found that floral larceny negatively impacts flower traits, pollinator visitation, pollen deposition, and fruit set, while having a neutral effect on critical female fitness indicators, such as seed set and seed quality, as well as on male fitness. By altering pollinator behavior, floral larceny may reduce geitonogamy, potentially enhancing genetic diversity. Additionally, factors such as pollinator type, plant mating system, and pollen limitation were identified as key moderators of these effects. Our analysis reveals an ultimately neutral effect of floral larceny on plant reproductive success, with potential benefits in certain contexts. These findings suggest that floral larceny plays a complex and multifaceted role within plant-pollinator interactions, facilitating the evolutionary stability and coexistence of floral larcenists and host plants.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"47 1","pages":"148-158"},"PeriodicalIF":4.6,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11873629/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143557775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
The island rule-like patterns of plant size variation in a young land-bridge archipelago: Roles of environmental circumstance and biotic competition.
IF 4.6 1区 生物学
Plant Diversity Pub Date : 2024-12-14 eCollection Date: 2025-03-01 DOI: 10.1016/j.pld.2024.12.001
Zengke Zhang, Wensheng Chen, Zengyan Li, Wentao Ren, Ling Mou, Junyong Zheng, Tian Zhang, Hantang Qin, Liyi Zhou, Bile Sai, Hang Ci, Yongchuan Yang, Shekhar R Biswas, Enrong Yan
{"title":"The island rule-like patterns of plant size variation in a young land-bridge archipelago: Roles of environmental circumstance and biotic competition.","authors":"Zengke Zhang, Wensheng Chen, Zengyan Li, Wentao Ren, Ling Mou, Junyong Zheng, Tian Zhang, Hantang Qin, Liyi Zhou, Bile Sai, Hang Ci, Yongchuan Yang, Shekhar R Biswas, Enrong Yan","doi":"10.1016/j.pld.2024.12.001","DOIUrl":"10.1016/j.pld.2024.12.001","url":null,"abstract":"<p><p>The island rule, a general pattern of dwarfism in large species to gigantism in small species on islands relative to mainland, is typically seen as a macroevolutionary phenomenon. However, whether the ecological processes associated with abiotic and biotic factors generate a pattern of plant size variation similar to the island rule remains unknown. We measured plant height for 29,623 individuals of 50 common woody plant species across 43 islands in the Zhoushan Archipelago (8500 years old and yet to undergo major evolutionary adaptation) and the adjacent mainlands in China. We found pronounced variations in plant height, similar to those of the island rule. Interestingly, islands with low resource availability, such as low soil organic matter content and low precipitation, had a high degree of dwarfism; islands experiencing high environmental stress, such as high soil pH, had a high degree of dwarfism; and islands experiencing less plant-plant competition had a high degree of gigantism. The magnitude of plant dwarfism was higher on small and remote islands than on larger and nearer islands. These results highlight the importance of ecological processes associated with abiotic and biotic conditions in shaping the island rule-like patterns of plant size variation. Since our studied archipelago is too young to undergo major evolution, ecological processes likely played a prominent role in generating the observed pattern, challenging the notion that the evolutionary process is the dominant factor underlying the island rule. Future studies on the island rule need to perform experiments to disentangle evolutionary from ecological mechanisms.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"47 2","pages":"300-310"},"PeriodicalIF":4.6,"publicationDate":"2024-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11963187/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143780987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Climate space, traits, and the spread of nonnative plants in North America.
IF 4.6 1区 生物学
Plant Diversity Pub Date : 2024-12-02 eCollection Date: 2025-03-01 DOI: 10.1016/j.pld.2024.11.005
Qinfeng Guo, Hong Qian, Shenhua Qian
{"title":"Climate space, traits, and the spread of nonnative plants in North America.","authors":"Qinfeng Guo, Hong Qian, Shenhua Qian","doi":"10.1016/j.pld.2024.11.005","DOIUrl":"10.1016/j.pld.2024.11.005","url":null,"abstract":"<p><p>The future distribution of invading species depends on the climate space available and certain life history traits that facilitate invasion. Here, to predict the spread potential of plant species introduced in North America north of Mexico (NAM), we compiled distribution and life history data (i.e., seed size, life form, and photosynthetic pathways) for 3021 exotic plant species introduced to NAM. We comparatively examined the species' range size and climate space in both native and exotic regions and the role of key life history traits. We found that large climate space for most exotic plants is still available in NAM. The range sizes in global exotic regions could better predict the current range sizes in NAM than those in global native regions or global native plus exotic regions. C3 species had larger ranges on average than C4 and CAM plants, and herbaceous species consistently showed stronger relationships in range size between native and exotic regions than woody species, as was the case within the C3 species group. Seed size was negatively related to range size both in native regions and in NAM. However, seed size surprisingly showed a positive correlation with global exotic range size and no correlation with the current actual global (native plus exotic) range size. Our findings underline the importance of species' native distribution and life history traits in predicting the spread of exotic species. Future studies should continue to identify potential climate space and use underappreciated species traits to better predict species invasions under changing climate.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"47 2","pages":"255-263"},"PeriodicalIF":4.6,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11962997/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143780962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
An integrative approach clarifies species delimitation and biogeographic history of Debregeasia (Urticaceae). 综合方法澄清了 Debregeasia(荨麻科)的物种划分和生物地理历史。
IF 4.6 1区 生物学
Plant Diversity Pub Date : 2024-11-26 eCollection Date: 2025-03-01 DOI: 10.1016/j.pld.2024.11.004
Amos Kipkoech, Ke Li, Richard I Milne, Oyetola Olusegun Oyebanji, Moses C Wambulwa, Xiao-Gang Fu, Dennis A Wakhungu, Zeng-Yuan Wu, Jie Liu
{"title":"An integrative approach clarifies species delimitation and biogeographic history of <i>Debregeasia</i> (Urticaceae).","authors":"Amos Kipkoech, Ke Li, Richard I Milne, Oyetola Olusegun Oyebanji, Moses C Wambulwa, Xiao-Gang Fu, Dennis A Wakhungu, Zeng-Yuan Wu, Jie Liu","doi":"10.1016/j.pld.2024.11.004","DOIUrl":"10.1016/j.pld.2024.11.004","url":null,"abstract":"<p><p>Integrative data from plastid and nuclear loci are increasingly utilized to resolve species boundaries and phylogenetic relationships within major angiosperm clades. <i>Debregeasia</i> (Urticaceae), an economically important genus, presents challenges in species delimitation due to its overlapping morphological traits and unstable taxonomic assignments. Here, we analyzed 14 morphological traits and generated 12 data matrices from the plastomes and nrDNA using genome skimming from the nine recognized morphospecies to clarify species boundaries and assess barcode performance in <i>Debregeasia</i>. We also used a universal set of 353 nuclear genes to explore reticulate evolution and biogeographic history of <i>Debregeasia</i>. Plastomes of <i>Debregeasia</i> exhibited the typical quadripartite structure with conserved gene content and marginal independent variations in the SC/IR boundary at inter- and intra-specific levels. Three <i>Debregeasia</i> species were non-monophyletic and could not be discerned by any barcode; however, ultra-barcodes identified the remaining six (67%), outperforming standard barcodes (56%). Our phylogenetic analyses placed <i>Debregeasia wallichiana</i> outside the genus and suggested six monophyletic clades in <i>Debregeasia</i>, although the placement between <i>Debregeasia hekouensis</i> and <i>Debregeasia libera</i> varied. There was extensive trait overlap in key morphologically diagnostic characters, with reticulation analysis showing potentially pervasive hybridization, likely influenced by speciation patterns and overlaps between species ranges. We inferred that <i>Debregeasia</i> crown diversification began at <i>ca</i>. 12.82 Ma (95% HPD: 11.54-14.63 Ma) in the mid-Miocene within Australia, followed by vicariance and later long-distance dispersal, mainly out of southern China. Our findings highlight the utility of genomic data with integrative lines of evidence to refine species delimitation and explore evolutionary relationships in complex plant lineages.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"47 2","pages":"229-243"},"PeriodicalIF":4.6,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11962966/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143780944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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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