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A new species of Pinus (Pinaceae) from the Miocene of Weichang, Hebei Province, China and its evolutionary significance
Li, Ya(李亚)1,2,3,4; Yi, Tie-Mei3,5; Grote, Paul J.6; An, Peng-Cheng(安鹏程)1,2; Zhu, Yan-Bin(朱彦斌)1,2; Zhang, Zhi-Yong7; Li, Cheng-Sen3
2021-07-26
Source PublicationHISTORICAL BIOLOGY
ISSN0891-2963
Pages12
Abstract

Pinus (Pinaceae) is the largest genus of the conifers, characterised by needle-leaves usually in fascicles of 2-5 and seed cones with highly specialised and diversified apophyses and umbos. Although a denticulatomucronate umbo is the most common umbo type in the subsection Pinus, genus Pinus, this type has not been well documented in the fossil record of East Asia. Here, we describe exquisitely preserved seed cones and associated needles as Pinus weichangensis sp. nov. from the early Miocene of Weichang County, Hebei Province of China. The new species is characterised by ovoid and symmetrical seed cones with flat to shortly pyramidal apophyses, avallate umbos, and predominantly denticulate and non-geniculate mucros, associated needles in fascicles of two, fascicles persistent, leaf stomata sunken and encircled by Florin rings of type B-C. The character combination of the new species supports the assignment of it to the subsection Pinus, section Pinus, subgenus Pinus, genus Pinus. Detailed comparisons with related extant and fossil species indicate that P. weichangensis has close resemblance with an extant denticulatomucronate species P. thunbergii Parl. Our study suggests that P. thunbergii, native to Japan and South Korea, may have diversified from a continental Asian species such as P. weichangensis.

KeywordPinus Pinaceae Miocene Weichang biogeography
DOI10.1080/08912963.2021.1952197
Indexed BySCI
Language英语
WOS KeywordSP-NOV ; PETRIFIED CONES ; MIDDLE EOCENE ; GENUS PINUS ; HISTORY ; OLIGOCENE ; PHYLOGENY ; PATTERNS ; REMAINS ; LEAVES
Funding ProjectStrategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[42072015] ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences[20172106] ; Special Project of 'Lushan Plants' of Lushan Botanical Garden, Chinese Academy of Sciences[2019ZWZX03]
WOS Research AreaLife Sciences & Biomedicine - Other Topics ; Paleontology
WOS SubjectBiology ; Paleontology
WOS IDWOS:000678903500001
Funding OrganizationStrategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences ; Special Project of 'Lushan Plants' of Lushan Botanical Garden, Chinese Academy of Sciences
PublisherTAYLOR & FRANCIS LTD
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/38460
Collection中国科学院南京地质古生物研究所
Corresponding AuthorLi, Ya(李亚)
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing, Jiangsu, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing, Jiangsu, Peoples R China
3.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
4.Chinese Acad Geol Sci, MNR Key Lab Stratig & Palaeontol, Inst Geol, Beijing, Peoples R China
5.Beijing Acad Sci & Technol, Beijing Inst Sci & Technol Informat, Beijing, Peoples R China
6.Nakhon Ratchasima Rajabhat Univ, Northeastern Res Inst Petrified Wood & Mineral Re, Nakhon Ratchasima, Thailand
7.Chinese Acad Sci, Lushan Bot Garden, Jiujiang, Jiangxi, 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
Li, Ya,Yi, Tie-Mei,Grote, Paul J.,et al. A new species of Pinus (Pinaceae) from the Miocene of Weichang, Hebei Province, China and its evolutionary significance[J]. HISTORICAL BIOLOGY,2021:12.
APA Li, Ya.,Yi, Tie-Mei.,Grote, Paul J..,An, Peng-Cheng.,Zhu, Yan-Bin.,...&Li, Cheng-Sen.(2021).A new species of Pinus (Pinaceae) from the Miocene of Weichang, Hebei Province, China and its evolutionary significance.HISTORICAL BIOLOGY,12.
MLA Li, Ya,et al."A new species of Pinus (Pinaceae) from the Miocene of Weichang, Hebei Province, China and its evolutionary significance".HISTORICAL BIOLOGY (2021):12.
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