Macrofossil evidence unveiling evolution and ecology of early Ephedraceae
文献类型：期刊论文
| 作者 | Yang, Yong; Ferguson, David K. |
| 刊名 | PERSPECTIVES IN PLANT ECOLOGY EVOLUTION AND SYSTEMATICS
 |
| 出版日期 | 2015 |
| 卷号 | 17期号:5页码:331-346 |
| 关键词 | China Early Cretaceous Gnetophytes Prognetella Yixian Formation |
| ISSN号 | 1433-8319 |
| DOI | 10.1016/j.ppees.2015.06.006 |
| 文献子类 | Article |
| 英文摘要 | The Early Cretaceous Yixian Formation from western Liaoning in northeastern China is well known for its extremely high diversity of plant macrofossils including important basal members of the Gnetales. The Gnetales from the Yixian Formation currently play a significant role in our present understanding of evolution and adaptation within the group. In the present paper the ephedroid macrofossil genus Prognetella Krassilov et Bugdaeva previously known from the Early Cretaceous of Transbaikalia in southern Russia is revised based on additional specimens from the Yixian Formation. Baicarpus Gang Han et al., a recently described genus interpreted as an angiosperm is reduced to synonymy and reinterpreted as a member of the Gnetales, and placed within the genus Prognetella. Reproductive shoots of Prognetella consist of nodes and internodes, and each of these constitutes a lax compound female spike; foliar bracts are paired at each node, and each foliar bract usually encloses a reproductive unit; the paired female reproductive units together with their subtending bracts and the supporting peduncle constitute a diaspore. The diaspore was abscised from the lower node and disseminated when the plant ripened. A cladistic analysis was conducted based on morphological characters of reproductive organs to understand the evolution of early Ephedraceae. The result suggests that Prog-netella is transitional between the genera Siphonospermum Rydin et Friis and Chengia Yang et al. and further illustrates the reduction and sterilization hypothesis previously proposed within the Ephedraceae. In addition, this study discovered a new and unusual dispersal mechanism within the basal members of the Ephedraceae. (C) 2015 Geobotanisches Institut ETH, Stiftung Ruebel. Published by Elsevier GmbH. All rights reserved. |
| 学科主题 | Plant Sciences ; Ecology |
| 出版地 | MUNICH |
| WOS关键词 | CRETACEOUS YIXIAN FORMATION ; SEED PLANT PHYLOGENY ; JEHOL-BIOTA ; SP-NOV ; LIAONING PROVINCE ; JIANSHANGOU BED ; EPHEDROID PLANT ; GNETALES ; ORIGIN ; FOSSIL |
| WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
| 语种 | 英语 |
| WOS记录号 | WOS:000363816500001 |
| 出版者 | ELSEVIER GMBH |
| 资助机构 | National Natural Science Foundation of China [J1310002, 31270238, 31470301] ; Fairy Lake Botanical Garden, Shenzhen, China |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/25768]  |
| 专题 | 植物研究所_系统与进化植物学研究中心_系统与进化植物学研究中心_学位论文 |
| 作者单位 | 1.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China 2.Ferguson, David K.] Univ Vienna, Dept Paleontol, A-1090 Vienna, Austria |
| 推荐引用方式 GB/T 7714 | Yang, Yong,Ferguson, David K.. Macrofossil evidence unveiling evolution and ecology of early Ephedraceae[J]. PERSPECTIVES IN PLANT ECOLOGY EVOLUTION AND SYSTEMATICS,2015,17(5):331-346. |
| APA | Yang, Yong,&Ferguson, David K..(2015).Macrofossil evidence unveiling evolution and ecology of early Ephedraceae.PERSPECTIVES IN PLANT ECOLOGY EVOLUTION AND SYSTEMATICS,17(5),331-346. |
| MLA | Yang, Yong,et al."Macrofossil evidence unveiling evolution and ecology of early Ephedraceae".PERSPECTIVES IN PLANT ECOLOGY EVOLUTION AND SYSTEMATICS 17.5(2015):331-346. |
入库方式： OAI收割
来源：植物研究所
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