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植物分类学报
植物分类学报

陈之端

双月刊

1674-4918

jse@ibcas.ac.cn

010-62836132，62836572

100093

北京香山南辛村20号中科院植物所内

植物分类学报/Journal Journal of Systematics and EvolutionCSCD北大核心CSTPCDSCI
查看更多>>《植物分类学报》于 1951 年创办。其前身为以下四种刊物：《静生生物调查所汇报》、《国立北平研究院植物学研究所丛刊》、《国立中央研究院植物汇报》、《中国科学社生物研究所植物部论文丛刊》。《植物分类学报》是我国生物学科历史最悠久的核心期刊，代表了我国植物分类学领域的最高学术水平，在国内外有深远的影响。所刊登的内容是生命科学各学科及农业、林业、医药、轻工及环境保护(包括生物多样性和保护生物学研究)和资源开发利用等行业有关学科的基础。《植物分类学报》是从事这些学科工作的必备参考刊物。
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    Linking South American dry regions by the Gran Chaco:Insights from the evolutionary history and ecological diversification of Gomphrena s.str.(Gomphrenoideae,Amaranthaceae)

    María J.BenaMatias C.BaranzelliSantiago M.CostasAndrea Cosacov...
    758-774页
    查看更多>>摘要：Geoclimatic events driving South American aridization have generated biota differentiation due to barriers and new environment formation.New environments allow species climatic niche evolution,or the geographical expansion of an existing one.Understanding the role these processes play may clarify the evolution of South American biota.Gomphrena L.ranges across almost all the continent's arid environments.We tested whether South American drylands are biogeographically connected through the Gran Chaco but,due to different aridity levels,lineage diversification could have also been associated with the evolution of climatic niches and morphological or physiological traits.With available data,we generated a dated phylogeny,estimated ancestral ranges,performed diversification analyses,reconstructed ancestral states of two characters,and examined if niches have changed between lineages.Results showed that Gomphrena diversified throughout the easternmost South American drylands～15.4 Ma,and subsequently three independent clades colonized the western arid regions during the last Andean pulse,and after the marine transgressions(～4.8-0.4 Ma)via the Gran Chaco.The colonization implied an increase in the diversification rate of annuals over perennials and the progressive east-west differentiation of the occupied climatic niche.This diversification was influenced by C4 photosynthesis,which could have acted as a niche opener to conquer new environments after the Paranaean Sea withdrew.Spatiotemporal patterns found in Gomphrena suggest that geographical expansion and evolution of climatic niches played a common but decoupled role in promoting diversification.These results show that the Gran Chaco may have acted as a historical connection linking South American drylands.
      原文链接:
    • 万方数据
    • 维普

    Lineage-specific trait variations and plasticity of obligate parthenogenetic animals following the expansion of distribution range to a continental archipelago

    Xiao-Fei TianMaki ToyotaHajime OhtsukiJotaro Urabe...
    775-784页
    查看更多>>摘要：Evolutionary theory suggests the hypothesis that among genetically isolated populations,phenotypic variation should be smaller in populations with smaller ratios of nonsynonymous to synonymous substitutions(dN/dS)because smaller dN/dS ratios occur under greater purification selections.Two distinct lineages(JPN1 and JPN2)of panarctic Daphnia cf.pulex sensu Hebert(1995),invaded independently into Japan from North America,provide an excellent opportunity to test this hypothesis because the earlier invader JPN1 has a lower dN/dS ratio than JPN2.Therefore,we examined phenotypic variations in fitness-related traits,including digestive,life-history,and morphological traits,among several genotypes within these two lineages.We found that phenotypic variations were smaller within the JPN1 lineage than within the JPN2 lineage.Furthermore,within-lineage variation of the phenotypic plasticity to changing food levels was smaller in the JPN1 lineage than in the JPN2 lineage.These results support the hypothesis that the JPN1 lineage has been more efficiently subjected to negative selection.However,the magnitude of the phenotypic plasticity of these traits was,on average,at the same level between the JPN1 and JPN2 lineages and its direction differed among genotypes of these lineages,suggesting that the JPN2 genotypes might have exploited niches that were different from those of the JPN1 genotypes.
      原文链接:
    • 万方数据
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    The genetic diversity in the ancient human population of Upper Xiajiadian culture

    Kong-Yang ZhuZhi-Ping ZhangLe TaoRun-Qi Jiang...
    785-793页
    查看更多>>摘要：The West Liao River(WLR)and Yellow River(YR)basins are two major centers of millet farming in northern China.The result from flotation analyses and the spatial distribution of archeological sites indicate that two distinct survival strategies—agriculture and pastoralism were adopted in the southern and western regions of the WLR.Previous studies of ancient populations from the western area of the WLR suggested a correlation between a pastoral economy in the Bronze Age Upper Xiajiadian culture with a decreased genetic affinity with YR farmers.However,the population history of the southern WLR is unknown mainly due to the lack of ancient genetic data.Here we report the genomic data of an ancient individual from the Majiazishan site from the Late Bronze Age southern WLR region associated with Upper Xiajiadian culture.Unlike individuals from western WLR,this individual derived ancestry entirely from Late Neolithic YR farmers.We found a genetic substructure of the ancient human population of Upper Xiajiadian culture,which is consistent with the di仟erences in the subsistence strategies of western and southern WLR.Climate deterioration led to different populations occupying the west and the south,respectively,in the WLR:the nomadic population from the Amur River(AR)in the west and the agricultural population from the YR in the south.
      原文链接:
    • 万方数据
    • 维普

    Divergence in Elymus sibiricus is related to geography and climate oscillation:A new look from pan-chloroplast genome data

    Yi XiongYan-Li XiongXue-Jie JiaJun-Ming Zhao...
    794-808页
    查看更多>>摘要：Quaternary glacial climate oscillation and geographical isolation have significantly influenced the geographic distribution pattern and lineage evolution history of species.However,understanding how these factors specifically impact the genealogical structure of dominant Gramineous species in the Qinghai-Tibet Plateau(QTP)remains a subject of investigation.Elymus sibiricus L.(Gramineae),indigenous to the QTP and widely distributed in Eurasia,exhibits remarkable environmental adaptation and phenotypic diversity,making it an ideal candidate for phylogeographic studies.Based on the analysis of 175 complete chloroplast genome sequences,our results indicated that the ancestors of E.sibiricus originated from the QTP and underwent a complex migration history.After the speciation of E.sibiricus,several geo-groups exhibited independent differentiation,showing minimal gene flow among them.The current phylogeographic patterns of E.sibiricus are a result of frequent climate alternations and the cold climate during the Quaternary glacial,as well as the presence of several geographical barriers that have restricted the gene flow among different geo-groups.Our research has revealed for the first time that E.sibiricus has a multilineage origin,and its maternal donors are not limited to a single species.Furthermore,the high quality and mapping depth of the variant file provided reliable data for analyzing the patterns based on raw sequencing data.These findings enhance our understanding of the relationship between plant differentiation and climatic and geographical factors of Eurasia.
      原文链接:
    • 万方数据
    • 维普

    Fossil endocarps of Menispermaceae from the late Paleocene of Paris Basin,France

    Eliise KaraJérémie BardinDario De FranceschiCédric Del Rio...
    809-828页
    查看更多>>摘要：Menispermaceae are an angiosperm family of mostly climbing plants distributed throughout tropical regions.The fruits in this family have a strong sclerified endocarp and can be used for reliable species-level identifications,even in a fossilized form.New Paleocene-age menispermaceous endocarps have recently been discovered in South America and Asia,while in Europe,they are mostly found in the Eocene.This paper focuses on the study of fossil endocarps belonging to Menispermaceae,found in the Petit-Pâtis locality,which is one of the few Paleocene localities in Europe.The locality is dated to the late Paleocene(57-56 Ma)and the fossils represent flora and fauna in the Paris Basin before the onset of the Paleocene-Eocene Thermal Maximum.Lignitized fossils were photographed and their morphology was analyzed using computed tomography,scanning electron microscope,and geometric morphometric analysis.The analysis of 36 fossils belonging to Menispermaceae revealed that three genera(Stephania,Palaeosinomenium,Tinospora)were present in the late Paleocene of Paris Basin.Differences in internal morphology and a more inflated endocarp base led to a description of a new fossil species—Palaeosinomenium oisensis sp.nov.The occurrence of these genera in the Paleocene of France is consistent with the suggestion that megathermal flora was present in the Paris Basin before the Paleocene-Eocene Thermal Maximum.These three genera are currently the oldest occurrences in Europe,highlighting the connection between paleofloras of the Americas,Europe,and Asia in the Paleocene.
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    • 万方数据
    • 维普

    First buckthorn(Rhamnaceae)fossil flowers from India

    Raman PatelRajendra Singh RanaAshif AliTaposhi Hazra...
    829-841页
    查看更多>>摘要：Fossil leaves,fruits,and woods assigned to Rhamnaceae have been recorded from India,however,there are no previous reports of rhamnaceous fossil flowers from India.Here,we report the first fossil flowers in appreciable numbers from the early Eocene(Palana Formation)sedimentary sequences of Gurha Lignite Mine,Rajasthan,western India,and show that they are attributable to Rhamnaceae.We examined variation in flower morphology among extant and extinct rhamnaceous species as a basis for interpreting our fossil flowers.The specimens are small star-like,pentamerous,actinomorphic,gamosepalous flowers with triangular,keeled sepals with acute apices,spathulate,short-clawed petals alternating with sepals,shallow,five-lobed nectary disc with prominent pentagonal outer margin,and a centrally placed globose ovary with stigma scar.The flowers co-occur with ziziphoid leaves and are recognized as a new species Eopaliura indica Patel,Rana & Khan sp.nov.Because of aforesaid characteristics,fossil flowers are easily identifiable as Rhamnaceae and should provide a reliable means of documenting the evolutionary history of this family during the Cenozoic.
      原文链接:
    • 万方数据
    • 维普