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A new plant with novel leaves from the Upper Devonian of Zhejiang Province, China
Huang, Pu1,2; Liu, Le3; Liu, Lu4; Qin, Min4,5; Wang, De-Ming4; Xue, Jin-Zhuang4
2020-12-01
Source PublicationPALAEOWORLD
ISSN1871-174X
Volume29Issue:4Pages:695-705
Abstract

The evolution of vascular plants during the Devonian Period has had great impacts on terrestrial ecosystems through innovations of key characters such as leaves, heterospory, seed reproduction, and woods. Here we report a new plant, Qianshouia mira n. gen. n. sp., from the Upper Devonian Wutong (Wutung) Formation of Fanwan section, Changxing County, Zhejiang Province, China. This plant has slender axes which seldom branch. Its leaves are arranged in pseudowhorls, departing from axes with an acute angle. The leaves are strap-shaped and each can be subdivided into proximal, middle and distal portions. At the proximal portion, a middle ridge develops, and at the middle portion this ridge divides at least three times forming four to six daughter ridges, and in between are grooves. The distal portion of leaves (leaf apex) is suggested to be adaxially curved, with no ridges but with forked tips. Qianshouia probably represents a small plant with a shrubby or herbaceous habit. Due to the unique leaf morphology and the lack of fertile structures and anatomy, the exact phylogenetic position of Qianshouia is uncertain. Qianshouia might be a lycopsid in light of the pseudowhorled phyllotaxis, or alternatively, could be a sphenopsid if the dichotomous ridge system of the leaf could be demonstrated to be leaf veins. Nevertheless, Qianshouia adds to the diversity of leaf morphologies among the Late Devonian vascular plants. (C) 2020 Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. All rights reserved.

KeywordQianshouia mira Late Devonian Wutong Formation Leaf morphology Lycopsids Sphenopsids
DOI10.1016/j.palwor.2020.03.003
Indexed BySCI
Language英语
WOS KeywordSP NOV. ; NORTH XINJIANG ; LEAF EVOLUTION ; LAND PLANTS ; SOUTH CHINA ; SEED PLANT ; GEN. ; LYCOPSIDA ; GROWTH ; LECLERCQIA
Funding ProjectStrategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[41802003] ; National Natural Science Foundation of China[41722201] ; Natural Science Foundation of Jiangsu Province[BK20181108] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeotology, CAS)[20182106]
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000600680200005
Funding OrganizationStrategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; Natural Science Foundation of Jiangsu Province ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeotology, CAS)
PublisherELSEVIER
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/37699
Collection中国科学院南京地质古生物研究所
Corresponding AuthorHuang, Pu; Xue, Jin-Zhuang
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
2.Nanjing Inst Geol & Palaeotol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
3.China Univ Min & Technol Beijing, Sch Geosci & Surveying Engn, Beijing 100083, Peoples R China
4.Peking Univ, Sch Earth & Space Sci, Key Lab Orogen Belts & Crustal Evolut, Beijing 100871, Peoples R China
5.Linyi Univ, Inst Geol & Palaeontol, Linyi 276000, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Huang, Pu,Liu, Le,Liu, Lu,et al. A new plant with novel leaves from the Upper Devonian of Zhejiang Province, China[J]. PALAEOWORLD,2020,29(4):695-705.
APA Huang, Pu,Liu, Le,Liu, Lu,Qin, Min,Wang, De-Ming,&Xue, Jin-Zhuang.(2020).A new plant with novel leaves from the Upper Devonian of Zhejiang Province, China.PALAEOWORLD,29(4),695-705.
MLA Huang, Pu,et al."A new plant with novel leaves from the Upper Devonian of Zhejiang Province, China".PALAEOWORLD 29.4(2020):695-705.
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