Fossil endocarps of Aralia (Araliaceae) from the upper Pliocene of Yunnan in southwest China, and their biogeographical implications
Zhu,Hai; Jacques,Frederic M. B.; Wang,Li; Xiao,Xiang-Hui; Huang,Yong-Jiang; Zhou,Zhe-Kun
2015-12-01
Source PublicationREVIEW OF PALAEOBOTANY AND PALYNOLOGY
Volume223Pages:94-103
AbstractAralia stratosa H. Zhu, Y.J. Huang et Z.K. Zhou sp. nov. is described based on fossil endocarps from the upper Pliocene of northwest Yunnan in southwest China. The endocarps are characterized by a semicircular to elliptic outline in the lateral view, an apical beak-like structure bending towards the ventral side, and a transversely wrinkled surface, collectively indicating taxonomical inclusion in the genus Aralia (Araliaceae). The new fossil taxon is compared with nine extant species of Aralia based on endocarp morphology and anatomy, showing the carpological resemblance to A. echinocaulis. Aralia stratosa sp. nov. represents the first confirmed fossil record from lower latitudes in the Northern Hemisphere. This implies a southerly biogeographical range for this genus than was previously interpreted. The fossil record of Aralia suggests a Cretaceous origin in North America and an Eocene dispersal to eastern Asia, likely via the Bering land bridge, followed by Miocene establishment in Europe. The genus likely began to inhabit lower latitudes in eastern Asia no later than the late Pliocene, which is in line with results from molecular analyses. All these may suggest a southward distributional change probably associated with the global cooling and northern acidification. (C) 2015 Elsevier B.V. All rights reserved.
KeywordAralia Endocarp Late Pliocene Sanying Formation Southwest China Eastern Asia
DOI10.1016/j.revpalbo.2015.09.010
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences ; Paleontology
WOS SubjectPlant Sciences ; Paleontology
WOS IDWOS:000365060700009
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/25241
Collection中国科学院东亚植物多样性与生物地理学重点实验室
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GB/T 7714
Zhu,Hai,Jacques,Frederic M. B.,Wang,Li,et al. Fossil endocarps of Aralia (Araliaceae) from the upper Pliocene of Yunnan in southwest China, and their biogeographical implications[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2015,223:94-103.
APA Zhu,Hai,Jacques,Frederic M. B.,Wang,Li,Xiao,Xiang-Hui,Huang,Yong-Jiang,&Zhou,Zhe-Kun.(2015).Fossil endocarps of Aralia (Araliaceae) from the upper Pliocene of Yunnan in southwest China, and their biogeographical implications.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,223,94-103.
MLA Zhu,Hai,et al."Fossil endocarps of Aralia (Araliaceae) from the upper Pliocene of Yunnan in southwest China, and their biogeographical implications".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 223(2015):94-103.
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