Biology:Cedrelospermum
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Cedrelospermum is an extinct genus of plants in the family Ulmaceae.[1] Its fossils have been found in the early Eocene to early Oligocene strata in North America, in the middle Eocene to middle Miocene strata in Europe , and in the middle Eocene of Bangor in Tibet, the late Eocene of Nyima, the late Oligocene of Shuanghu, and the late Eocene of Maguan in Yunnan in Asia.[1][2][3]
The fruits of the genus Cedrelospermum are oval to triangular, with a membranous wing on one side.[4][5] Some species have only one wing; others have two separate wings, a primary wing and a secondary wing.[5][6]
Species
The following Cedrelospermum species have been described:[1]
- †Cedrelospermum aquense Saporta, 1889
- †Cedrelospermum asiaticum Jia et al., 2015
- †Cedrelospermum leptospermum Manchester, 1987
- †Cedrelospermum lineatum (Lesq.) Manchester, 1987
- †Cedrelospermum manchesteri Magall.-Puebla, Cev.-Ferriz, 1994
- †Cedrelospermum nervosum Newberry, 1883
- †Cedrelospermum stiriacum (Ettingsh.) Kovar-Eder, Z. Kvaček, 2004
- †Cedrelospermum tibeticum LB Jia, T. Su & ZK Zhou, 2019[4]
References
- ↑ 1.0 1.1 1.2 Jia, Linbo; Su, Tao; Li, Weicheng; Li, Shufeng; Huang, Yongjiang; Zhou, Zhekun (2022-11-20). "The floristic differentiation of Southwest China: Insights from Cedrelospermum and Ailanthus fossils". Biodiversity Science 30 (11). doi:10.17520/biods.2022348.
- ↑ Meyer, H.W. & Manchester, S.R. 1997. The Oligocene Bridge Creek flora of the John Day Formation, Oregon. University of California Publications in the Geological Sciences 141: 1–364. ISBN 978-0-520-09816-9.
- ↑ "Cedrelospermum" (in en-US). https://www.floridamuseum.ufl.edu/paleobotany/gallery/cedrelospermum-image1/.
- ↑ 4.0 4.1 Jia, Lin-Bo; Su, Tao; Huang, Yong-Jiang; Wu, Fei-Xiang; Deng, Tao; Zhou, Zhe-Kun (March 2019). "First fossil record of Cedrelospermum (Ulmaceae) from the Qinghai–Tibetan Plateau: Implications for morphological evolution and biogeography". Journal of Systematics and Evolution 57 (2): 94–104. doi:10.1111/jse.12435. Bibcode: 2019JSyEv..57...94J.
- ↑ 5.0 5.1 Jia, Lin-Bo; Manchester, Steven R.; Su, Tao; Xing, Yao-Wu; Chen, Wen-Yun; Huang, Yong-Jiang; Zhou, Zhe-Kun (September 2015). "First occurrence of Cedrelospermum (Ulmaceae) in Asia and its biogeographic implications". Journal of Plant Research 128 (5): 747–761. doi:10.1007/s10265-015-0739-2. PMID 26141513. Bibcode: 2015JPlR..128..747J.
- ↑ Manchester, Steven R. (February 1989). "Attached Reproductive and Vegetative Remains of the Extinct American-European Genus Cedrelospermum (Ulmaceae) from the Early Tertiary of Utah and Colorado". American Journal of Botany 76 (2): 256–276. doi:10.2307/2444668.
Wikidata ☰ Q21397579 entry
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