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Late Miocene occurrence of monogeneric family Oleandraceae from southwest China and its implications on evolution of eupolypods I
Xie, San-Ping1,2; Zhang, Si-Hang1; Chen, Tian-Yu1; Zhang, Xian-Chun3; Zeng, Xu1; Yu, Yang1
2018-09-01
Source PublicationREVIEW OF PALAEOBOTANY AND PALYNOLOGY
ISSN0034-6667
Volume256Pages:13-19
Abstract

Yunnan in SW China is a world renowned hotspot for diverse species of vascular plants such as ferns. However, fossil records of the Cenozoic ferns there are insufficient to clarify their phylogeny and historical biogeography from a geological perspective. Among these derived ferns, the monogeneric family Oleandraceae, with a pantropic distribution, is natural and distinctive; however, its origin and evolution remains unknown because of the absence of fossil records. In this study, we identified a new fossil species belonging to the genus Oleandra cay. (Oleandraceae s. s.) from the upper Miocene of Yunnan, China based on a detailed comparison of morphologically similar genera and within this genus. Oleandra bangmaii sp. n. is characterised by a simple fertile frond with an entire cartilaginous margin. Moreover, the venation system in this genus is unique and comprises a prominent midrib along with parallel, closely-spaced secondary free veins. The sori are dorsally borne, with round kidney-shaped indusia. It represents the first fossil occurrence of the genus Oleandra (Oleandraceae) within its extant distribution, suggesting that its fossil history has persisted for at least 10 Ma in Asia. Our finding, together with other existing evidence, suggests that the crown of eupolypods I (the node including families Oleandraceae, Davalliaceae and Polypodiaceae) has diversified and that the climate and vegetation of Yunnan have remained relatively stable since the late Miocene. (C) 2018 Elsevier B.V. All rights reserved.

KeywordEupolypods i Fern Miocene Oleandra Oleandraceae Yunnan
DOI10.1016/j.revpalbo.2018.05.002
Language英语
WOS KeywordSystematic Notes ; Western Yunnan ; Sw China ; Ferns ; Vegetation ; Climates ; Forest ; Fossil ; Polypodiaceae ; Lycophytes
Funding ProjectNational Natural Science Foundation of China[41172021] ; Foundation of the State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS[173126] ; Fundamental Research Funds for the Central Universities of China[lzujbky-2017-74]
WOS Research AreaPlant Sciences ; Paleontology
WOS SubjectPlant Sciences ; Paleontology
WOS IDWOS:000442059600002
Funding OrganizationNational Natural Science Foundation of China ; Foundation of the State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, CAS ; Fundamental Research Funds for the Central Universities of China
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/17044
Collection中国科学院南京地质古生物研究所
Corresponding AuthorXie, San-Ping
Affiliation1.Lanzhou Univ, Sch Earth Sci, Key Lab Mineral Resources Western China Gansu Pro, Lanzhou 730000, Gansu, Peoples R China
2.Chinese Acad Sci, Nanjing Inst Geol & Paleontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
3.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Xie, San-Ping,Zhang, Si-Hang,Chen, Tian-Yu,et al. Late Miocene occurrence of monogeneric family Oleandraceae from southwest China and its implications on evolution of eupolypods I[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2018,256:13-19.
APA Xie, San-Ping,Zhang, Si-Hang,Chen, Tian-Yu,Zhang, Xian-Chun,Zeng, Xu,&Yu, Yang.(2018).Late Miocene occurrence of monogeneric family Oleandraceae from southwest China and its implications on evolution of eupolypods I.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,256,13-19.
MLA Xie, San-Ping,et al."Late Miocene occurrence of monogeneric family Oleandraceae from southwest China and its implications on evolution of eupolypods I".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 256(2018):13-19.
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