The oldest angiosperm - a tricarpous female reproductive fossil from western Liaoning Province, NE China

被引：55

作者：

Duan, SY ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Bot, Beijing 100093, Peoples R China

来源：

SCIENCE IN CHINA SERIES D-EARTH SCIENCES | 1998年 / 41卷 / 01期

关键词：

angiosperm female reproductive organ; cyme; Late Jurassic; Yixian Formation; Liaoning Province; China;

D O I：

10.1007/BF02932415

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The fossil plant female reproductive organs each with a tricarpous were collected from the Yixian Formation, Chaoyang district, western Liaoning Province. The geological age of the Yixian Formation here is believed to be Late Jurassic, which places this fossil as the oldest angiosperm currently known. Its morphological characters are distinct from other known angiosperm reproductive organs as it has 3 ovaries, each with a terminal style and an apical stigma. 9 such organs compose a cyme. As this morphological arrangement is unique to this plant, a new genus and species has been established, named Chaoyangia liangii gen. et sp, nov.

引用

页码：14 / 20

页数：7

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