| 中国睡莲科植物种子胚及其营养组织的研究 |
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| 引用本文： | 孙阎,张欣欣,王臣,刘玫,刘鸣远.中国睡莲科植物种子胚及其营养组织的研究[J].植物研究,2007,27(4):412-415. |
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| 作者姓名： | 孙阎 张欣欣 王臣 刘玫 刘鸣远 |
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| 作者单位： | 黑龙江大学农学院 哈尔滨150080(孙阎)，哈尔滨师范大学 哈尔滨150025(张欣欣，王臣，刘玫，刘鸣远) |
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| 基金项目： | 黑龙江省教育厅海外学人科研(合作)基金 |
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| 摘 要： | 研究了中国睡莲科的3属3种即芡（Euryale ferox Salisb.）、睡莲（Nymphaea tetragona Georgi）和萍蓬草（Nuphar pumilum (Hoffm.) DC.）的胚、胚乳及外胚乳。它们的胚的共同特点是苗端发育良好，特别是胚芽具2～4枚胚芽叶，而根端滞育。三个种皆既有胚乳，又有外胚乳，但在成熟种子中作为胚的营养组织则胚乳弱育而外胚乳发达。最后对上述特点在系统发生中的意义进行了讨论。
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| 关 键 词： | 芡 睡莲 萍蓬草 胚 胚乳 外胚乳 |
| 修稿时间： | 2007-03-12 |
A Study on the Embryo and Its Nutritive Tissues, Endosperm and Perisperm of Nymphaeaceae in China |
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| SUN Yan,ZHANG Xin-Xin,WANG Chen,LIU Mei,LIU Ming-Yuan.A Study on the Embryo and Its Nutritive Tissues, Endosperm and Perisperm of Nymphaeaceae in China[J].Bulletin of Botanical Research,2007,27(4):412-415. |
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| Authors: | SUN Yan ZHANG Xin-Xin WANG Chen LIU Mei LIU Ming-Yuan |
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| Institution: | 1. Agricultural College of Heilongjiang University, Harbin 150080;2. Harbin Normal University, Harbin 150025 |
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| Abstract: | The embryo,endosperm and perisperm in 3 species,Euryale ferox Salisb.Nymphaea tetragona Geargi and Nuphar pumilum DC. of Nymphaeaceae were Studied in this paper.The common characters of embryo are the well developed shoot apex,especial the plumule with 2~4 plumular leaves,and the diapausing root apex. All of the 3 species have both endosperm and perisparm ,but the former only remains and the latter is very rich in the mature seeds.Finally,the meaning of these characters in phylogeny were discussed. |
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| Keywords: | Euryale ferox Nymphaea tetragona Nuphar pumilum embryo endosperm perisperm |
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