Different mechanisms underlie similar species-area relationships in two tropical archipelagoes
Available online 9 September 2023
Despite much research in the field of island biogeography, mechanisms regulating insular diversity remain elusive. Here, we aim to explore mechanisms underlying plant species-area relationships in two...
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What do we know about treelines of the Anthropocene in High Asia?
Available online 5 September 2023
The conversion of forests to pastures is the most important human intervention that has shaped the natural landscape into the Anthropocene environment. The Qinghai-Tibet Plateau (QTP), which has both...
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Central Asia revealed as a key area in evolution of Eremurus (Asphodelaceae)
Available online 2 September 2023
Eremurus was described at the beginning of the 19th century. However, due to limited sampling and the small number of gene markers to date, its phylogeny and evolution are largely unknown. In this study,...
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Enhanced and asymmetric signatures of hybridization at climatic margins: Evidence from closely related dioecious fig species
Available online 28 August 2023
Hybridization plays a significant role in biological evolution. However, it is not clear whether ecological contingency differentially influences likelihood of hybridization, particularly at ecological...
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Temperature is a cryptic factor shaping the geographical pattern of genetic variation in Ceratophyllum demersum across a subtropical freshwater lake
Available online 19 August 2023
Macrophyte habitats exhibit remarkable heterogeneity, encompassing the spatial variation of abiotic and biotic components such as changes in water conditions and weather as well as anthropogenic stressors....
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A new infrageneric classification of Gastrochilus (Orchidaceae: Epidendroideae) based on molecular and morphological data
Available online 14 August 2023
Gastrochilus is an orchid genus containing 73 species of mainly epiphytic on trees or rocks in mountain forests of tropical and subtropical Asia. Previous phylogenetic analyses and morphological assessments...
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Historical biogeography and evolutionary diversification of Lilium (Liliaceae): New insights from plastome phylogenomics
Available online 3 August 2023
Here, we infer the historical biogeography and evolutionary diversification of the genus Lilium. For this purpose, we used the complete plastomes of 64 currently accepted species in the genus Lilium...
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Patterns and drivers of plant sexual systems in the dry-hot valley region of southwestern China
Available online 3 August 2023
Sexual systems play important roles in angiosperm evolution and exhibit substantial variations among different floras. Thus, studying their evolution in a whole flora is crucial for understanding the...
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Does pollinator dependence decrease along elevational gradients?
July 2023
Plants have long been thought to be less dependent on pollinators for seed production at higher elevations due to adverse pollination environments. However, recent research has yet to consistently support...
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Molecular phylogeny and inflorescence evolution of Prunus (Rosaceae) based on RAD-seq and genome skimming analyses
July 2023
Prunus is an economically important genus widely distributed in the temperate Northern Hemisphere. Previous studies on the genus using a variety of loci yielded conflicting phylogenetic hypotheses....
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The molecular mechanism of WRINKLED1 transcription factor regulating oil accumulation in developing seeds of castor bean
July 2023
The transcription factor WRINKLED1 (WRI1), a member of AP2 gene family that contain typical AP2 domains, has been considered as a master regulator regulating oil biosynthesis in oilseeds. However, the...
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Endemic medicinal plant distribution correlated with stable climate, precipitation, and cultural diversity
July 2023
Medicinal plants provide crucial ecosystem services, especially in developing countries such as China, which harbors diverse endemic medicinal plant species with substantial cultural and economic value....
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Mitochondrial RNA editing sites affect the phylogenetic reconstruction of gymnosperms
July 2023
•RNA editing sites may contain homoplasious signals that cause artifactual inferences in phylogenetic analyses.•Excluding RNA editing sites from gymnosperm mitochondrial genes restored the sister relationship...
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New patterns of the tree beta diversity and its determinants in the largest savanna and wetland biomes of South America
July 2023
Clear and data-driven bioregionalizations can provide a framework to test hypotheses and base biodiversity conservation. Here we used occurrence and abundance data in combination with objective analytical...
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Intercontinental comparison of phylogenetic relatedness in introduced plants at the transition from naturalization to invasion: A case study on the floras of South Africa and China
July 2023
Invasive species may pose significant threats to biodiversity and ecosystem structure and functioning. The number of introduced species that have become invasive is substantial and is rapidly increasing....
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Late Oligocene fossil acorns and nuts of Quercus section Cyclobalanopsis from the Nanning Basin, Guangxi, South China
July 2023
Quercus is the largest genus within the Fagaceae and has a rich fossil record. Most of the fossil material is attributed to the subgenus Quercus based on leaves, pollen or rarely acorns and nuts. Fossil...
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Phylogeny of Trigonotis in China—with a special reference to its nutlet morphology and plastid genome
July 2023
The genus Trigonotis comprises nearly 60 species mainly distributed in East and Southeast Asia. China has the largest number of Trigonotis species in the world, with a total of 44 species, of which...
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Functional diversity in an Andean subpáramo affected by wildfire in Colombia
July 2023
Recently, the Andean subpáramo in Colombia has experienced severe wildfires, but little is known about the functional composition of recovering or not after a wildfire. Therefore, we examined the functional...
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Pre- and post-pollination barriers between two exotic and five native Sagittaria species: Implications for species conservation
July 2023
Anthropogenic introduction of species has resulted in a breakdown of geographical barriers and hybridization in previously allopatric species. Thus, examining hybridization proneness of exotic species...
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Forest characteristics, population structure and growth trends of threatened relict Pseudotsuga forrestii in China
July 2023
Pseudotsuga forrestii is a relict evergreen coniferous tree species in Pinaceae endemic to China. P. forrestii tree numbers have greatly decreased due to deforestation, over-utilization and habitat...
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Geographic patterns of taxonomic and phylogenetic β-diversity of angiosperm genera in regional floras across the world
Available online 29 July 2023
Beta diversity (β-diversity) is the scalar between local (α) and regional (γ) diversity. Understanding geographic patterns of β-diversity is central to ecology, biogeography, and conservation biology....
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Climate change impacts flowering phenology in Gongga Mountains, Southwest China
Available online 28 July 2023
Flowering phenology of plants, which is important for reproductive growth, has been shown to be influenced by climate change. Understanding how flowering phenology responds to climate change and exploring...
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A phylogenetic approach identifies patterns of beta diversity and floristic subregions of the Qinghai-Tibet Plateau
Available online 21 July 2023
Patterns of taxonomic and phylogenetic beta diversity and their relationships with environmental correlates can help reveal the origin and evolutionary history of regional biota. The Qinghai-Tibet Plateau...
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Phylogeny, character evolution, and classification of Selaginellaceae (lycophytes)
Available online 20 July 2023
Selaginella is the largest and most taxonomically complex genus in lycophytes. The fact that over 750 species are currently treated in a single genus makes Selaginellales/Selaginellaceae unique in pteridophytes....
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Community structure and species diversity dynamics of a subtropical evergreen broad-leaved forest in China: 2005 to 2020
Available online 20 July 2023
Here, we characterize the temporal and spatial dynamics of forest community structure and species diversity in a subtropical evergreen broad-leaved forest in China. We found that community structure...
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