Plant Diversity最新文献

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Latitudinal diversity gradients of soil seed bank and aboveground vegetation in China. 中国土壤种子库和地上植被的纬向多样性梯度。
IF 5.9 1区 生物学
Plant Diversity Pub Date : 2026-05-15 eCollection Date: 2026-09-01 DOI: 10.1016/j.pld.2026.05.003
Yantong Zhao, Yangqing Luo, Shilu Zheng, Tiantian Zhang, Jiajia Liu
{"title":"Latitudinal diversity gradients of soil seed bank and aboveground vegetation in China.","authors":"Yantong Zhao, Yangqing Luo, Shilu Zheng, Tiantian Zhang, Jiajia Liu","doi":"10.1016/j.pld.2026.05.003","DOIUrl":"10.1016/j.pld.2026.05.003","url":null,"abstract":"<p><p>The latitudinal diversity gradient is one of the most general biogeographical patterns. However, current latitudinal diversity gradients have been mostly focused on aboveground vegetation, while such a pattern exists in soil seed bank, which is an irreplaceable natural resource that provides multifaceted benefits to terrestrial biodiversity, is not well understood. Here, we compiled plant diversity data of soil seed bank and corresponding aboveground vegetation from 496 sample sites in China, to detect whether the latitudinal diversity gradient of soil seed bank differs from that of aboveground vegetation. We found that soil seed bank exhibited a significant but weaker latitudinal diversity gradient compared to aboveground vegetation, and the latitudinal diversity gradient of soil seed bank was not observed for ecosystems dominated by herbaceous plants. In contrast to increasing species diversity of aboveground vegetation towards the tropics, species diversity in soil seed bank remained stable across the latitudinal gradient for grasslands and wetlands. Moreover, environmental factors associated with species diversity of soil seed bank and aboveground vegetation were different, with mean temperature and temperature range as the major driver of species diversity in soil seed bank while elevation and temperature seasonality as the major drivers of aboveground vegetation species diversity. Our results provide empirical evidence that biogeographic pattern of plant diversity generated from aboveground biota do not necessarily reflect that of belowground diversity, and aboveground-focused conservation may fail to protect plant diversity stored in soil seed bank.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"48 5","pages":"884-892"},"PeriodicalIF":5.9,"publicationDate":"2026-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13615778/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149063477","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
How does plant diversity drive productivity in China's drylands: Through complementary or mass ratio effects? 植物多样性如何推动中国旱地生产力:通过互补效应还是质量比效应?
IF 5.9 1区 生物学
Plant Diversity Pub Date : 2026-05-12 eCollection Date: 2026-07-01 DOI: 10.1016/j.pld.2026.04.011
Hao Guo, Hong-Hu Meng, Jin-Fei Yin, Tong Li, Ben-Feng Yin, Xiao-Bing Zhou, Yuan-Ming Zhang
{"title":"How does plant diversity drive productivity in China's drylands: Through complementary or mass ratio effects?","authors":"Hao Guo, Hong-Hu Meng, Jin-Fei Yin, Tong Li, Ben-Feng Yin, Xiao-Bing Zhou, Yuan-Ming Zhang","doi":"10.1016/j.pld.2026.04.011","DOIUrl":"10.1016/j.pld.2026.04.011","url":null,"abstract":"<p><p>Dryland biodiversity-productivity relationships remain poorly resolved. Specifically, the environmental conditions governing the shift between complementarity and mass ratio mechanisms remain unclear, limiting the effectiveness of restoration and management strategies. To address this gap, the aim of this study was to investigate the geographical patterns of diversity and biomass production in herbaceous communities along a 2100-km precipitation gradient in North China. We studied how α- and β-diversity affect community-wide productivity using linear mixed-effects models and piecewise structural equation models, along with rolling-window change-point analyses. In arid regions, biomass productivity was primarily driven by interspecific niche complementarity, where higher functional diversity (FD(α)) enhanced resource-use efficiency. However, in semi-arid regions, productivity was regulated by the mass ratio effect, specifically through the traits of dominant species, including community weighted mean height and specific leaf area, as these species exploited broader resource spectra with increasing water availability. A critical mechanistic shift occurred at a mean annual precipitation (MAP) threshold of ∼168 mm (95% CI: 152-171 mm; <i>p</i> < 0.001). Below this threshold, productivity was driven by diversity-mediated complementarity and stress tolerant strategies. Conversely, as MAP surpassed 168 mm, the system transitioned to mass ratio control, coincident with a shift toward competitive strategies. Overall, our study provides empirical evidence to guide dryland management: prioritising the maintenance of functional diversity in arid communities, while emphasising dominant-trait optimisation (plant height and specific leaf area) in semi-arid communities to maximise aboveground biomass.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"48 4","pages":"766-781"},"PeriodicalIF":5.9,"publicationDate":"2026-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13424705/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148654307","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
Stone-like fruit is associated with reduced herbivory and enhanced reproductive success in an alpine legume (Phyllolobium heydei). 一种高山豆科植物(phylloobium heydei)的石状果实与减少草食性和提高生殖成功率有关。
IF 5.9 1区 生物学
Plant Diversity Pub Date : 2026-05-12 eCollection Date: 2026-07-01 DOI: 10.1016/j.pld.2026.04.012
Feng Gao, Quan Yuan, Hong-Sen Hu, Hao-Ran Sun, Yang Dong
{"title":"Stone-like fruit is associated with reduced herbivory and enhanced reproductive success in an alpine legume (<i>Phyllolobium heydei</i>).","authors":"Feng Gao, Quan Yuan, Hong-Sen Hu, Hao-Ran Sun, Yang Dong","doi":"10.1016/j.pld.2026.04.012","DOIUrl":"10.1016/j.pld.2026.04.012","url":null,"abstract":"<p><p>•Fruits of <i>Phyllolobium heydei</i> evolved remarkably similar to stones.•Stone-like fruits may protect the fruits from herbivores and thereby increase ensure reproductive success.•Concealment of fruits from herbivores may represent a general adaptive strategy in harsh alpine environments.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"48 4","pages":"851-854"},"PeriodicalIF":5.9,"publicationDate":"2026-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13424695/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148653708","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
Divergent responses of microbial networks to global change scenarios during alpine cushion plant degradation. 高山垫层植物退化过程中微生物网络对全球变化情景的不同响应。
IF 5.9 1区 生物学
Plant Diversity Pub Date : 2026-05-04 eCollection Date: 2026-07-01 DOI: 10.1016/j.pld.2026.04.010
Mengdie Yin, Yaojun Ye, Xin Liu, Wanyin Xiong, Shijian Liu, Hang Sun, Wenguang Sun, Yazhou Zhang
{"title":"Divergent responses of microbial networks to global change scenarios during alpine cushion plant degradation.","authors":"Mengdie Yin, Yaojun Ye, Xin Liu, Wanyin Xiong, Shijian Liu, Hang Sun, Wenguang Sun, Yazhou Zhang","doi":"10.1016/j.pld.2026.04.010","DOIUrl":"10.1016/j.pld.2026.04.010","url":null,"abstract":"<p><p>The degradation of alpine cushion plants is known to disrupt soil microbial networks. To explore the mechanisms behind this, we collected soils across a degradation sequence on the Qinghai-Xizang Plateau and, using a microcosm approach, simulated the effects of three global change factors: warming (T), nitrogen addition (N), and dry-wet cycling (D). Our findings indicated that fungal and bacterial networks exhibited contrasting structures and response patterns. Fungal networks displayed hub-dependent structure: they maintained complexity and enhanced robustness under T, N, and D, yet showed vulnerability when keystone nodes were preferentially removed. Bacterial networks exhibited connector-mediated redundancy that conferred high baseline robustness but limited adaptive capacity; their robustness did not increase under T or N, though assortativity rose under N. Network complexity showed nonlinear shifts across degradation stages. At two thresholds-individual-level Stage 3-4 and community-level balanced-to-stable transition-fungal networks reorganized while bacterial networks simplified. Both abiotic and biotic factors predicted network dynamics. Abiotic predictors included microbial biomass, nutrients, pH, and polyphenol oxidase (PPO) activity. Beyond these, keystone taxa abundance emerged as a biotic driver strongly correlated with bacterial network complexity, though this relationship was attenuated under warming. We propose a management framework that prioritizes protecting bacterial network integrity through mitigating warming and nitrogen deposition, targets pre-threshold stages as intervention windows, and integrates soil-microbial indicators for early warning. This study provides a practical basis for predicting and managing microbial network dynamics in alpine tundra under global change.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"48 4","pages":"800-814"},"PeriodicalIF":5.9,"publicationDate":"2026-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13424387/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148654244","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 first telomere-to-telomere genome assembly of the soybean male-sterile germplasm 88-428BY by massive parallel sequencing. 大豆雄性不育种质88-428BY首次端粒-端粒基因组的大规模平行测序
IF 5.9 1区 生物学
Plant Diversity Pub Date : 2026-04-28 eCollection Date: 2026-07-01 DOI: 10.1016/j.pld.2026.04.006
Yuhua Yang, Zhiyuan Bai, Yan Chen, Mengen Nie, Haigang Wang, Haiping Zhang, Ruijun Zhang, Zhixin Mu
{"title":"The first telomere-to-telomere genome assembly of the soybean male-sterile germplasm 88-428BY by massive parallel sequencing.","authors":"Yuhua Yang, Zhiyuan Bai, Yan Chen, Mengen Nie, Haigang Wang, Haiping Zhang, Ruijun Zhang, Zhixin Mu","doi":"10.1016/j.pld.2026.04.006","DOIUrl":"10.1016/j.pld.2026.04.006","url":null,"abstract":"<p><p>Soybean (<i>Glycine max</i>) is a key source of plant protein and oil, yet genomic resources for male-sterile germplasms remain scarce. This study addresses this gap by presenting the first telomere-to-telomere (T2T) genome assembly of the landrace soybean 88-428BY, a Chinese photoperiod-sensitive genic male sterility (PGMS) germplasm with photoperiod-dependent fertility. Using a hybrid strategy combining PacBio HiFi, Oxford Nanopore ultra-long reads, and Hi-C scaffolding, we generated a high-quality reference genome of 1.01 Gb (N50 = 52.05 Mb), achieving 99.88% BUSCO completeness and assembling telomeres at both ends of 80% of the chromosomes. Annotation revealed 55,292 protein-coding genes and a high repetitive content (63.03%), which was dominated by LTR retrotransposons. Comparative genomics identified 35,236 structural variations (SVs), with hotspot regions harboring genes showing suppressed expression. Transcriptomic analysis under long-day and short-day conditions uncovered co-expression modules enriched in flavonoid biosynthesis and protease inhibitors, alongside key transcription factors (e.g., <i>NAC25</i>, <i>ERF113</i>) potentially associated with fertility regulation. This T2T genome provides a critical resource for elucidating the molecular basis of photoperiod-sensitive male sterility and advancing functional genomics and molecular breeding in soybean.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"48 4","pages":"836-845"},"PeriodicalIF":5.9,"publicationDate":"2026-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13424727/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148653695","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
Phylogenomic conflict in Moraceae: Evidence for pervasive introgression and incomplete lineage sorting. 桑科的系统发育冲突:普遍渗入和不完整谱系分类的证据。
IF 5.9 1区 生物学
Plant Diversity Pub Date : 2026-04-21 eCollection Date: 2026-07-01 DOI: 10.1016/j.pld.2026.04.003
Chen-Xuan Yang, Shui-Yin Liu, Qin Tian, Wei Gu, Qing Lu, Robert P Guralnick, Gregory W Stull, Heather R Kates, Ryan A Folk, Douglas E Soltis, Pamela S Soltis, Elliot M Gardner, Ting-Shuang Yi
{"title":"Phylogenomic conflict in Moraceae: Evidence for pervasive introgression and incomplete lineage sorting.","authors":"Chen-Xuan Yang, Shui-Yin Liu, Qin Tian, Wei Gu, Qing Lu, Robert P Guralnick, Gregory W Stull, Heather R Kates, Ryan A Folk, Douglas E Soltis, Pamela S Soltis, Elliot M Gardner, Ting-Shuang Yi","doi":"10.1016/j.pld.2026.04.003","DOIUrl":"10.1016/j.pld.2026.04.003","url":null,"abstract":"<p><p>Although the phylogenetic backbone of Moraceae, an ecologically important angiosperm family in tropical rainforests, has been significantly improved, phylogenetic discordance among nuclear genes and between nuclear and plastid genomes remains common at various phylogenetic depths. However, the patterns and causes of this discordance across the entire family have not been systematically investigated. Here, we reconstructed a comprehensive phylogeny of 319 species of Moraceae using sequences from nuclear and plastid gene datasets to investigate family-wide phylogenetic conflict, identify the evolutionary drivers of conflict, and inform taxonomic revision. Phylogenetic analyses showed general congruence at the section level and above in nuclear datasets, but notable conflicts occurred at several nodes (e.g., Chlorophoreae, <i>Bagassa</i>, and <i>Sloetiopsis</i>). Discordance between nuclear and plastid trees was widespread, especially within the tribes Antiarideae, Artocarpeae, Dorstenieae, and Ficeae. Coalescent simulations and phylogenetic network analyses suggest that the observed discordance arises from a combination of incomplete lineage sorting and ancient hybridization. Based on integrated phylogenetic and morphological evidence, we propose several taxonomic revisions for the family. Overall, this work elucidates the evolutionary history of Moraceae, emphasizing the role of hybridization in its diversification, and provides a robust phylogenetic framework for future research on its classification, biogeography, and diversification.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"48 4","pages":"688-703"},"PeriodicalIF":5.9,"publicationDate":"2026-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13424704/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148654366","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
Fire-embracers possess higher shoot flammability, lower litter flammability and a more acquisitive strategy than fire-tolerators in Pinus yunnanensis. 抱火树种比耐火树种具有更高的枝部可燃性、更低的凋落物可燃性和更强的获取策略。
IF 5.9 1区 生物学
Plant Diversity Pub Date : 2026-04-10 eCollection Date: 2026-09-01 DOI: 10.1016/j.pld.2026.03.013
Dachuan Dai, Shuting Li, Ying Liu, Zihan Zhang, Lihua Tu, Congde Huang, Shixing Zhou, Junxi Hu, Yang Liu, Xinhua He, Juli G Pausas, Xinglei Cui
{"title":"Fire-embracers possess higher shoot flammability, lower litter flammability and a more acquisitive strategy than fire-tolerators in <i>Pinus yunnanensis</i>.","authors":"Dachuan Dai, Shuting Li, Ying Liu, Zihan Zhang, Lihua Tu, Congde Huang, Shixing Zhou, Junxi Hu, Yang Liu, Xinhua He, Juli G Pausas, Xinglei Cui","doi":"10.1016/j.pld.2026.03.013","DOIUrl":"10.1016/j.pld.2026.03.013","url":null,"abstract":"<p><p>Plants in fire-prone environments have evolved traits to survive recurrent fires. Some traits enable plants to survive under crown fires (fire-embracer strategy), while others support persistence under surface fires (fire-tolerator strategy). Although plant fire survival strategies have been extensively studied, the manner in which they interact with other complementary survival strategies, such as flammability strategy and plant economic strategy, to facilitate plant coexistence with wildfires remain poorly investigated. <i>Pinus yunnanensis</i>, a fire-adapted species native to southwest China, has diversified into three distinct varieties: var. <i>yunnanensis</i>, var. <i>pygmaea</i> and var. <i>tenuifolia</i>. We examined the variations in fire-adaptations traits, shoot flammability, litter flammability, and plant economics traits across 21 populations from their three varieties. The relationships across these traits were also investigated to better understand their interplay. We found that <i>P</i>. <i>yunnanensis</i> has developed distinct fire survival strategies. Specifically, var. <i>pygmaea</i> survives wildfire as fire-embracers due to its high serotiny level, low crown height and thin bark; var. <i>tenuifolia</i> survives wildfire as fire-tolerators characterized by low serotiny level, high crown and thick bark, while the original var. <i>yunnanensis</i> exhibits the intermediate values in these fire-adaptions. Populations exhibiting fire-embracer strategy possess higher shoot flammability, lower litter flammability and a more acquisitive strategy compared to those with fire-tolerator strategy. Our study elucidated the divergent evolutionary trajectories among <i>P</i>. <i>yunnanensis</i> varieties to survive wildfires, and uncovered how the interplay among flammability attributes, fire-adaptations and economic traits facilitated the coexistence of <i>P</i>. <i>yunnanensis</i> with wildfires.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"48 5","pages":"1011-1022"},"PeriodicalIF":5.9,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13615787/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149063969","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
Assessing the performance of remotely sensed functional traits and spectral metrics for estimating multidimensional plant diversity in wetlands using UAV data. 利用无人机数据评估湿地多维植物多样性遥感功能特征和光谱指标的性能
IF 5.9 1区 生物学
Plant Diversity Pub Date : 2026-04-09 eCollection Date: 2026-09-01 DOI: 10.1016/j.pld.2026.04.002
Long Ren, Zhaoju Zheng, Paolo Villa, Ping Zhao, Cong Xu, Ying Fu, Zhaofu Zhou, Jinchen Wu, Xinsheng Zhao, Wei Li, Hui Lu, Sufan Liu, Dan Zhao, Yuan Zeng
{"title":"Assessing the performance of remotely sensed functional traits and spectral metrics for estimating multidimensional plant diversity in wetlands using UAV data.","authors":"Long Ren, Zhaoju Zheng, Paolo Villa, Ping Zhao, Cong Xu, Ying Fu, Zhaofu Zhou, Jinchen Wu, Xinsheng Zhao, Wei Li, Hui Lu, Sufan Liu, Dan Zhao, Yuan Zeng","doi":"10.1016/j.pld.2026.04.002","DOIUrl":"10.1016/j.pld.2026.04.002","url":null,"abstract":"<p><p>Plant diversity underpins wetland ecosystem stability and functional sustainability, and its reliable assessment is vital for effective conservation and management. Remote sensing provides an efficient mean of plant diversity monitoring, however the potential of remotely sensed functional traits (RS-traits) and spectral metrics for plant diversity estimation in wetland ecosystems has not been fully investigated. In this study, we integrated UAV hyperspectral and LiDAR data to extract spectral band metrics, Rao's quadratic entropy and principal components, texture features, and retrieve physiological and morphological RS-traits. We then used these features to predict multi-dimensional (species, functional, and phylogenetic) plant diversity using multiple stepwise regression (MSR), generalized additive models (GAMs), and random forest regression (RF). The results demonstrated that the retrieved RS-traits were generally consistent with field measurements (R<sup>2</sup> = 0.36-0.78 for physiological, R<sup>2</sup> = 0.47-0.87 for morphological traits). Among the different models, MSR performed best for species diversity, GAMs for functional diversity, and RF for phylogenetic diversity. The highest predictive performance was achieved for species diversity (R<sup>2</sup> <sub>adj</sub> = 0.62-0.73), followed by functional (R<sup>2</sup> <sub>adj</sub> = 0.41-0.83) and phylogenetic diversity (R<sup>2</sup> <sub>adj</sub> = 0.55-0.64). Models based on RS-traits consistently performed better than those based on spectral metrics, while combining spectral metrics and RS-traits did not lead to statistically significant improvements. While our results provide preliminary evidence towards a unified RS-trait framework for the multi-dimensional monitoring of wetland plant diversity, further work is needed to generalise these findings to other sites and wetland types.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"48 5","pages":"1023-1037"},"PeriodicalIF":5.9,"publicationDate":"2026-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13615782/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149063989","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
Floral symmetry is associated with contrasting hydraulic strategies and trait coordination in angiosperm flowers. 被子植物花的对称与不同的水力策略和性状协调有关。
IF 5.9 1区 生物学
Plant Diversity Pub Date : 2026-04-07 eCollection Date: 2026-09-01 DOI: 10.1016/j.pld.2026.04.001
Feng-Jiao Liu, Yan Ke, Xian-Yan Huang, Yun-Bing Zhang, Jiao-Lin Zhang
{"title":"Floral symmetry is associated with contrasting hydraulic strategies and trait coordination in angiosperm flowers.","authors":"Feng-Jiao Liu, Yan Ke, Xian-Yan Huang, Yun-Bing Zhang, Jiao-Lin Zhang","doi":"10.1016/j.pld.2026.04.001","DOIUrl":"10.1016/j.pld.2026.04.001","url":null,"abstract":"<p><p>Floral symmetry is widely recognized as a key driver of angiosperm diversification, yet how actinomorphic and zygomorphic flowers differ in their hydraulic architecture remains poorly understood. Clarifying symmetry-related differences in hydraulic strategies is essential for linking floral function with physiological and evolutionary divergence. Here, we measured 22 floral traits related to hydraulics, structural and reproductive investment across 39 woody species (21 actinomorphic and 18 zygomorphic) to evaluate how floral symmetry shapes hydraulic design. Our results revealed distinct hydraulic differentiation between the two symmetry types. Zygomorphic flowers exhibited significantly longer floral longevity (FL) and lower petal vein density (<i>D</i> <sub>vein</sub>) than actinomorphic flowers. They also adopted a hydraulically safer strategy, characterized by more negative water potential at the turgor loss point (ψ<sub>tlp</sub>), lower relative water content at turgor loss (RWC<sub>tlp</sub>), and higher hydraulic capacitance (<i>C</i> <sub>1,mass</sub>). Crucially, after accounting for native climatic variables, divergence in FL, ψ<sub>tlp</sub>, and <i>D</i> <sub>vein</sub> remained significant, indicating that these traits represent intrinsic features of floral symmetry, whereas <i>C</i> <sub>1,mass</sub> and RWC<sub>tlp</sub> function primarily as environmentally plastic responses. Functionally, actinomorphic flowers prioritized hydraulic supply capacity, whereas zygomorphic flowers combined enhanced hydraulic safety with extended longevity. Furthermore, zygomorphic flowers showed stronger trait coordination, forming integrated functional modules that likely contribute to greater hydraulic stability under fluctuating environmental conditions. Together, these findings demonstrate that floral symmetry is tightly linked to physiological function and that evolutionary shifts in symmetry may be accompanied by coordinated adjustments in hydraulic safety as well as structural and reproductive investment, thereby supporting divergent pollination strategies and life-history demands.</p>","PeriodicalId":20224,"journal":{"name":"Plant Diversity","volume":"48 5","pages":"952-963"},"PeriodicalIF":5.9,"publicationDate":"2026-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13615793/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149064050","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 modulation of phylogenetic and functional constraints on fruit volume: A case study of Chinese angiosperms. 气候调节对果实体积的系统发育和功能制约:以中国被子植物为例。
IF 5.9 1区 生物学
Plant Diversity Pub Date : 2026-03-20 eCollection Date: 2026-07-01 DOI: 10.1016/j.pld.2026.03.010
Yingqun Feng, Jiming Cheng, Chao Zhang, Yujiao Ma, Bo Wang
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