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A new species of Weltrichia braun in North China with a special Bennettitalean male reproductive organ
Alternative TitleA New Species of Weltrichia Braun in North China with a Special Bennettitalean Male Reproductive Organ
Nan L1; Yong L1; Wang LX1; Zheng SL1; Zhang W1
2004
Source PublicationACTA BOTANICA SINICA
ISSN1672-6650
Volume46Issue:11Pages:1269-1275
AbstractWe report a new species of the genus Weltrichia Braun with a special Bennettitalean male reproductive organ-W. daohugouensis Li et Zheng sp. nov., which was discovered from Haifanggou Formation (Middle Jurassic) in Daohugou Village, Shantou Town, Ningcheng County, Inner Mongolia (Nei Mongol) Autonomous Region, China. It is a unisexual male strobile which was a laterally compressed preserved specimen being fan-shaped and appearing as half of a whole. Its base and peduncle are lost while the lower part of the strobile consists of eleven narrowly wedged segments fused together into a funnel or cup-like. In the upper part of the strobile these segments separate into free structure (microsporophylls), each bearing two rows of pollen sacs (synangia). In this paper a new species W daohugouensis Li et Zheng sp. nov. is described and the identification of the W. huangbanjigouensis Sun et Zheng is emended.
Other AbstractWe report a new species of the genus Weltrichia Braun with a special Bennettitalean male reproductive organ—W. daohugouensis Li et Zheng sp nov., which was discovered from Haifanggou Formation (Middle Jurassic) in Daohugou Village, Shantou Town, Ningcheng County, Inner Mongolia (Nei Mongol) Autonomous Region, China. It is a unisexual male strobile hich was a laterally compressed preserved specimen being fan-shaped and appearing as half of a whole. Its base and peduncle are lost while the lower part of the strobile consists of eleven narrowly wedged sements fused together into a funnel or cup-like. In the upper part of the strobile these segments separate into free structure (microsporophylls), each bearing two rows of pollen sacs (synangia). In this paper a new pecies W. daohugouensis Li et Zheng sp. nov. is described and the identification of the W. huangbanjigouensis Sun et Zheng is emended.
KeywordNingcheng County Inner Mongolia Haifanggou Formation Bennettitalean male strobile Weltrichia daohugouensis sp nov.
Indexed ByCSCD
Language英语
CSCD IDCSCD:1846847
Citation statistics
Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/154318
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.中国科学院深圳先进技术研究院
3.Off Fossil Protect Management Liaoning Province
Recommended Citation
GB/T 7714
Nan L,Yong L,Wang LX,et al. A new species of Weltrichia braun in North China with a special Bennettitalean male reproductive organ[J]. ACTA BOTANICA SINICA,2004,46(11):1269-1275.
APA Nan L,Yong L,Wang LX,Zheng SL,&Zhang W.(2004).A new species of Weltrichia braun in North China with a special Bennettitalean male reproductive organ.ACTA BOTANICA SINICA,46(11),1269-1275.
MLA Nan L,et al."A new species of Weltrichia braun in North China with a special Bennettitalean male reproductive organ".ACTA BOTANICA SINICA 46.11(2004):1269-1275.
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