First fossil of Pterolobium (Leguminosae) from the Middle Miocene Yunnan, South China
Jia, Lin-Bo1,2; Huang, Yong-Jiang1; Sun, Hang1; Su, Tao3; Huang, Jian3; Zhou, Zhe-Kun1,3
2017-07-01
发表期刊REVIEW OF PALAEOBOTANY AND PALYNOLOGY
卷号242期号:1页码:21-32
摘要

Here we describe the first fossil species of Pterolobium (Leguminosae), Pterolobium punctatopsis sp. nov., based on two compressed fruits from the Middle Miocene (16.5-15.2 Ma) Maguan Basin, southeastern Yunnan, South China. The fruits are asymmetrically winged, consisting of an elliptical fruit body and a laterally extended membranous wing. Extensive comparisons with both extant and extinct genera that produce asymmetric winged fruits indicate that our fossil fruits can be unequivocally referred to Pterolobium. This fossil finding adds a new member into the fossil Leguminosae, enriching our knowledge of the past diversity of the large family. It implies that the genus already existed in South China, where it currently grows, at least by the Middle Miocene. As modern species of Pterolobium live in warm regions, the discovery of P. punctatopsis indicates a warm climate in Maguan region during the Middle Miocene. In contrast to the scarce fossil occurrence of Pterolobium, its sister group, Mezoneuron, has a relatively good fossil record that traces back to the Eocene. (C) 2017 Elsevier B.V. All rights reserved.

关键词Asymmetrically Winged Fruit Pterolobium Leguminosae Middle Miocene Yunnan South China
DOI10.1016/j.revpalbo.2017.03.002
收录类别SCI
语种英语
WOS记录号WOS:000401678000002
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/51236
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Key Lab Plant Div & Biogeog East Asia, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Mengla 666303, Peoples R China
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GB/T 7714
Jia, Lin-Bo,Huang, Yong-Jiang,Sun, Hang,et al. First fossil of Pterolobium (Leguminosae) from the Middle Miocene Yunnan, South China[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2017,242(1):21-32.
APA Jia, Lin-Bo,Huang, Yong-Jiang,Sun, Hang,Su, Tao,Huang, Jian,&Zhou, Zhe-Kun.(2017).First fossil of Pterolobium (Leguminosae) from the Middle Miocene Yunnan, South China.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,242(1),21-32.
MLA Jia, Lin-Bo,et al."First fossil of Pterolobium (Leguminosae) from the Middle Miocene Yunnan, South China".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 242.1(2017):21-32.
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