Fruits of Ceratophyllum (Ceratophyllaceae) from the late Miocene in Huaning, Southwest China and its paleoecological and paleophytogeographical significances

被引:5
|
作者
Liang, Xiao-Qing [1 ,2 ]
Lu, Ping [2 ]
Su, Tao [1 ]
机构
[1] Chinese Acad Sci, CAS Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Mengla 666303, Peoples R China
[2] Yuxi Normal Univ, Sch Chem Biol & Environm Sci, Yuxi 653100, Peoples R China
基金
中国国家自然科学基金;
关键词
Ceratophyllum; Late Miocene; Paleophytogeography; Paleoecology; Southwest China; ACHENE MORPHOLOGY; EVOLUTION; AFFINITIES; SUBMERSUM; POLLEN;
D O I
10.1016/j.revpalbo.2019.104155
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Ceratophyllum L is a genus of submerged aquatic plant with a cosmopolitan distribution. In this study, we first described fruit fossils of C. demersum collected in the Miocene (Xiaolongtang Formation) in Huaning, Yunnan, Southwest China. The materials indicated that a lake with shallow water existed in Huaning in the late Miocene. Based on fossil data, the genus may earliest appeared in the Cretaceous of North America and evolved into sect. Ceratophyllum, sect. Muricatum and sect. Submersum accompanying by the global climate change during the Cenozoic. Its distribution gradually expanded throughout the period. Plants of the genus was present in South-west China by the late Miocene. (C) 2019 Published by Elsevier B.V.
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收藏
页数:7
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