New insights into biogeographical disjunctions between Taiwan and the Eastern Himalayas: The case of <i>Prinsepia</i> (Rosaceae)

Jin, Wei; Li, Haiwen; Wei, Ran; Huang, Bing; Liu, Bing; Sun, Tian; Mabberley, D. J.; Liao, Pei Chun; Yang, Yong

doi:10.1002/tax.12209

Cited by 5 publications

(6 citation statements)

References 51 publications

(76 reference statements)

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“…The disjunctive distribution pattern between the Himalayas and Taiwan has been observed in species within this genus, such as P. microstomum and P. shevokii , although the biogeographical history underlying this pattern remains unexplored [ 4 , 11 ]. This pattern of disjunction aligns with the biogeographical narratives derived from the phylogenetic and molecular dating studies of vascular plants, which have posited the Himalayas as an origin point for the genera Theligonum , Kelloggia , Triplostegia , and Prinsepia [ 12 , 13 , 14 ].…”

Section: Introductionsupporting

confidence: 72%

A New Record of Pogonatum tahitense (Polytrichaceae) from Tibet, China: Taxonomic Description, Range Expansion, and Biogeographic History

Sun,

Song,

Chen

et al. 2024

Plants

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The genus Pogonatum stands out as the most diverse within the family Polytrichaceae, encompassing over 50 species. Pogonatum tahitense has been recorded across various Pacific regions, including Hawaii in the United States and Tahiti in French Polynesia, as well as in Asia, such as in Taiwan in China, Java in Indonesia, and Sabah in Malaysia. In the current study, a specimen collected in Tibet, China, is described, confirming its taxonomic classification as P. tahitense through a comprehensive analysis integrating morphological evidence and molecular study based on sequences from the plastid (rbcL, rps4, trnL-F), mitochondrial (nad5), and nuclear (ITS2) regions. This documentation represents the first record of the species within mainland China. A time-calibrated, molecular-based phylogenetic analysis was conducted, employing various approaches for ancestral range inference. The findings suggest that P. tahitense originated during the Pleistocene epoch, approximately 1.8 mya, in Tibet, China.

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Section: Introductionsupporting

confidence: 72%

A New Record of Pogonatum tahitense (Polytrichaceae) from Tibet, China: Taxonomic Description, Range Expansion, and Biogeographic History

Sun,

Song,

Chen

et al. 2024

Plants

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“…Although these two regions are not adjacent or even far apart, they have similar plant community compositions. Many different types of plants are distributed in these two regions but not in the southern region of China, which is located between these two regions, presenting a geographically disjunct distribution pattern (Chen et al., 2013; Jin et al., 2020). The high‐elevation area from 1550 m to 2350 m has the greatest concentration of taxa with disjunct distributions between southwestern China and Taiwan Island.…”

Section: Introductionmentioning

confidence: 99%

Convergent evolution of the environmental adaptability of high‐elevation populations of waist‐shaped bugs

Wang,

Li,

Zhou

et al. 2023

Journal of Biogeography

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AimSimilar environmental selection pressures drive the occurrence of convergent evolution among species. However, studies on this phenomenon are scarce at the population level. Here, we used two waist‐shaped bugs to test the hypothesis that similar high‐elevation habitat environments could lead to similar genetic adaptations among populations of different species.LocationEast Asia.TaxaMalcus sinicus Štys, 1967 & Malcus insularis Štys, 1967.MethodsPopulation genetic structure was determined by phylogenetic and phylogeographical analyses. Demographic history was inferred by comparing simulated history models. Suitable habitat from the last interglacial period (LIG) to the present was predicted by ecological niche modelling (ENM). Convergent evolutionary processes were jointly assessed by the comparison of population ecological differences and the principal component analysis of environmentally related single‐nucleotide polymorphisms (SNPs).ResultsOur results showed that the land bridge in the Pleistocene helped ancestral populations of M. sinicus and M. insularis diffuse from mainland China to Taiwan Island. Subsequently, the geographical barrier imposed by the Taiwan Strait promoted the species differentiation. Geographic isolation and adaptive evolution jointly promoted the population differentiation in M. sinicus. Genetic similarity was found between the populations of M. sinicus in southwestern China (sin‐YN) and M. insularis on Taiwan Island (ins‐TW). Temperature‐related environmental factors and elevation were found to similarly and significantly clustered with ins‐TW and sin‐YN and were clearly distinguished from the other low−/mid‐elevation populations of M. sinicus (sin‐EA). Furthermore, the SNPs related to these environmental factors presented the same clustering results.Main ConclusionsOur study revealed a novel disjunct distribution pattern between southwestern China and Taiwan Island at the population level and provided evidence of convergent evolution of local populations in high‐elevation environments. Here, we revealed that similar environmental selection pressures can drive the occurrence of convergent evolution at the population level among different species.

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“…Biogeographic disjunctions between mainland China-Taiwan island have received considerable attention with the separation of the two regions by 130 km (Wu and Wang, 2001; Xiang and Soltis, 2001; Qiu et al, 2011; Chen et al, 2012; Ye et al, 2014, Jin et al, 2020). The island of Taiwan is the largest subtropical mountainous island in the monsoonal western Pacific region, located on the Tropic of Cancer, and originated in the late Miocene (ca.…”

Section: Introductionmentioning

confidence: 99%

“…Molecular phylogenetic analyses have shown that several plant lineages have disjunct distributions between mainland China and Taiwan (e.g., Sassafras J. Presl, Nie et al, 2007; Pseudotsuga Carrière, Wei et al, 2010; Triplostegia Wall. ex DC., Niu et al, 2018; Prinsepia ., Jin et al, 2020). Geologically, the island of Taiwan and its adjacent continental margin of mainland China belong to the Eurasian plate; in the Late Cretaceous both were part of the continental block.…”

Section: Introductionmentioning

confidence: 99%

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Phylogenomic analyses of the East Asian endemicAbelia(Caprifoliaceae) shed insights into the temporal and spatial diversification history with widespread hybridizations

Sun

Morales‐Briones

Wang

et al. 2021

Preprint

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Background and Aims Abelia (Caprifoliaceae) is a small genus with five species (including one artificial hybrid). The genus has a disjunct distribution across mainland China, Taiwan and the Ryukyu Islands, providing a model system to explore species dispersal mechanisms of the East Asian flora. However, the current phylogenetic relationships within Abelia remain controversial. Methods In this study, we reconstructed the phylogenetic relationships within Abelia using nuclear loci generated by target enrichment and the cpDNA from genome skimming. Key Results: We found large cytonuclear discordance across the genus. Based on the nuclear and chloroplast phylogenies we proposed to merge A. schumannii into A. macrotera, and A. macrotera var. mairei into A. uniflora. Divergence time estimation, ancestral area reconstruction, and ecological niche modelling (ENM) were used to examine the biogeographic history of Abelia. Our results showed that Abelia originated in Southwest China, and diversification began in the Early Eocene, followed by A. chinensis var. ionandra colonizing Taiwan in the Middle Miocene. The ENM results suggested an expansion of climatically suitable areas during the Last Glacial Maximum and range contraction during the Last Interglacial. Disjunction between the Himalaya-Hengduan Mountain region (HHM) and Taiwan is most likely the consequence of topographic isolation and postglacial contraction. Conclusions Overall, our results supports that postglacial range contraction together with topographic heterogeneity resulted in the Taiwan and China mainland disjunction. Furthermore, when we using genome data to reconstruct the phylogeny of related species, branch evolution and network evolution should be considered, as well as gene flow in historical periods. This research provide new insights for the speciation process and taxonomy of Abelia.

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New insights into biogeographical disjunctions between Taiwan and the Eastern Himalayas: The case of Prinsepia (Rosaceae)

Cited by 5 publications

References 51 publications

A New Record of Pogonatum tahitense (Polytrichaceae) from Tibet, China: Taxonomic Description, Range Expansion, and Biogeographic History

A New Record of Pogonatum tahitense (Polytrichaceae) from Tibet, China: Taxonomic Description, Range Expansion, and Biogeographic History

Convergent evolution of the environmental adaptability of high‐elevation populations of waist‐shaped bugs

Phylogenomic analyses of the East Asian endemicAbelia(Caprifoliaceae) shed insights into the temporal and spatial diversification history with widespread hybridizations

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