Floral development in Nymphaea tetragona (Nymphaeaceae)
Hu, Guang-Wan1,2; Lei, Li-Gong1; Liu, Ke-Ming3; Long, Chun-Lin1
2009-02-01
发表期刊BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN0024-4074
卷号159期号:2页码:211-221
摘要We describe in detail the floral ontogeny of Nymphaea tetragona from a wild population to provide evidence regarding the phylogenetic position of Nymphaea and to reveal evolutionary trends of flowers in Nymphaeaceae by comparison with that of the other genera. Four sepals are initiated unidirectionally. The basal petals are initiated unidirectionally and alternate with the sepals. The dome-shaped floral apex continues to expand and produces more petal and stamen primordia. The remaining petals and all stamens are initiated in spirals or whorls. Later, the periphery of the floral apex grows more quickly than the centre and results in a depression in the centre of the apex after all stamens have been initiated. Carpels are simultaneously initiated in a cycle at the periphery of the depression. They are ascidiate. After all organs have been initiated, the centre of the depression on the floral apex grows and develops into a globular structure. The connected inferior ovary, stigma caps and the globular floral apex together form an extragynoecial compitum. Within Nymphaeaceae, the floral ontogeny of Nymphaea is most similar to that of Euryale and Victoria. It differs more from Ondinea and Barclaya, and differs most from Nuphar. (C) 2009 The Linnean Society of London, Botanical Journal of the Linnean Society, 2009, 159, 211-221.
关键词Anita Basal Angiosperms Floral Organ Initiation Nymphaea
资助信息The authors would like to thank the staff of the Electron Microscopy Section, Experimental Centre of Hunan Normal University for assisting in the preparation of the materials, and the staff of Changsha Institute of Mining Research for use of the scanning electron microscope. Financial support of this work was provided by the Ministry of Science and Technology of China (2004DKA30340 and 2005DKA21006) and the Knowledge Innovation Programme of the Chinese Academy of Sciences.
学科领域Plant Sciences
DOI10.1111/j.1095-8339.2008.00905.x
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000263745300003
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/2475
专题资源植物与生物技术所级重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Hunan Normal Univ, Dept Bot, Changsha 410081, Hunan, Peoples R China
推荐引用方式
GB/T 7714
Hu, Guang-Wan,Lei, Li-Gong,Liu, Ke-Ming,et al. Floral development in Nymphaea tetragona (Nymphaeaceae)[J]. BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,2009,159(2):211-221.
APA Hu, Guang-Wan,Lei, Li-Gong,Liu, Ke-Ming,&Long, Chun-Lin.(2009).Floral development in Nymphaea tetragona (Nymphaeaceae).BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,159(2),211-221.
MLA Hu, Guang-Wan,et al."Floral development in Nymphaea tetragona (Nymphaeaceae)".BOTANICAL JOURNAL OF THE LINNEAN SOCIETY 159.2(2009):211-221.
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