| 蓼属一未知花粉类型及其系统演化位置和分类意义的探讨 |
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| 引用本文： | 周忠泽,张小平,鲁润龙,江莺,郑艳燕. 蓼属一未知花粉类型及其系统演化位置和分类意义的探讨[J]. 中国科学技术大学学报, 1999, 0(2) |
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| 作者姓名： | 周忠泽 张小平 鲁润龙 江莺 郑艳燕 |
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| 作者单位： | 中国科学技术大学生命科学学院，安徽师范大学生物系 |
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| 摘 要： | 报道了蓼属一新的花粉类型———长花蓼型（Ｍａｃｒａｎｔｈｕｍｔｙｐｅ），其外壁无覆盖层，表面具裸露的大小不等的鼓锤状基柱，是一种进化的类型，它起源于春蓼型．并讨论了该花粉类型的分类意义．
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| 关 键 词： | 长花蓼型，演化地位，分类，蓼属 |
A New Pollen Type And Its Evolutionary Status, Taxonomic Significance |
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| ZHOU Zhongze ZHANG Xiaopin LU Runlong JIANG ying ZHENG yanyan. A New Pollen Type And Its Evolutionary Status, Taxonomic Significance[J]. Journal of University of Science and Technology of China, 1999, 0(2) |
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| Authors: | ZHOU Zhongze ZHANG Xiaopin LU Runlong JIANG ying ZHENG yanyan |
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| Abstract: | A new pollen type of genus Polygonum, namely Macranthum type,is reported in this paper. It is characterized by sexine intectate, the tectum lost entirely and free, exposed columellae existing as the sexine. This type is considered as an advanced pollen type in the polygonaceae, orginating from Persicaria type. Finally the taxonomic significance of the type is discussed. |
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| Keywords: | Macranthum type Evolutionary status Taxonomy Polygonum |
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