A new species of Keteleeria (Pinaceae) in the Shanwang Miocene flora of China and its phytogeographic connection with North America

被引：16

作者：

Wang, YF

Xiang, QP

Ferguson, DK

Zastawniak, E

Yang, J

Li, CS

机构：

[1] Univ Vienna, Dept Palaeontol, A-1090 Vienna, Austria

[2] Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolut Bot, Beijing 100093, Peoples R China

[3] Polish Acad Sci, W Szafer Inst Bot, PL-31512 Krakow, Poland

来源：

TAXON | 2006年 / 55卷 / 01期

关键词：

China; comparative morphology; fossils; Keteleeria; Miocene; phytogeography;

D O I：

10.2307/25065538

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The presence of Keteleeria in the Miocene of eastern China is confirmed by the discovery of a cone, winged seeds, and leafy shoots. These are described and compared with other fossil and recent representatives. The best match was with K. rujadana, a K. fortunei-like fossil from the Oligocene of Oregon, U.S.A. The presence of similar, if not identical taxa, on both sides of the Pacific indicates that in the Mid-Tertiary exchange between East Asia and North America via the Beringian land-bridge was still possible. With global cooling in the Tertiary, this thermophilic conifer became scarce. Its present restricted distribution dates from the Quaternary.

引用

页码：165 / 171

页数：7

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