期刊
ISCIENCE
卷 25, 期 8, 页码 -出版社
CELL PRESS
DOI: 10.1016/j.isci.2022.104757
关键词
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资金
- National Natural Science Foundation of China [41872015, 32100172, 42111530024]
- State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS) [193118]
- Russian Foundation for Basic Research (RFBR) [21-54-53001, 0135-2019-0045]
A study on fossil records suggests that Ailanthus has been distributed in low latitude regions since the middle Eocene. It is believed that Ailanthus originated from the Indian subcontinent and quickly spread to East Asia and western North America following the India-Eurasia collision. With the global cooling, Ailanthus gradually disappeared in the mid-high latitudes and may have continued to spread southward to northern Australia.
Ailanthus Desf. (Simaroubaceae), now widespread in southern Asia to northern Australia, was widely distributed in the Northern Hemisphere during the Cenozoic, but has few fossil records at low latitudes. Herewe report the fossil samaras of Ailanthus confucii Unger from South China and its occurrences indicate that this genus has been distributed in low latitude regions since the middle Eocene. According to the recent fossil records, Ailanthus is considered to have originated from the Indian subcontinent and dispersed rapidly to East Asia and western North America following the early Paleogene onset of the India-Eurasia collision. In the Eocene, Ailanthus became widespread across the Northern Hemisphere. Subsequent to global cooling, Ailanthus gradually disappeared in the mid-high latitudes and may have continued to spread southward from Asia to northern Australia following the Asia-Australia collision in the late Oligocene, thus forming its modern distribution pattern.
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