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红山茶组植物花粉外壁纹饰特征及其演化关系

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2007年04期
Page:
16-20
Column:
研究论文
publishdate:
2007-04-20

Article Info:/Info

Title:
Pollen Exine Sculpture of Sect. Camellia in Genus Camellia and Its Taxonomic Significance
Article ID:
1000-2006(2007)04-0016-05
Author(s):
NI Sui1213 LI Ji-yuan3 TIAN Min3 GAO Han-dong1*
1. College of Forest Resources and Environment of Nanjing Forestry University, Nanjing 210037, China; 2. Faculty of Life Science and Biotechnology Ningbo University, Ningbo 315211, China; 3. Research Institute of Subtropical Forestry CAF, Fuyang 311400, China
Keywords:
Genus Camellia Sect. Camellia Pollen exine sculpture Classification and evolution Scanning electronic microscope
Classification number :
Q944.4
DOI:
10.3969/j.jssn.1000-2006.2007.04.004
Document Code:
A
Abstract:
Pollen exine sculpture isn’t easily affected by environmental factors. It is exterior representation of genotype. It is one effective methodology in research of plant classification and evolution. The pollen exine sculpture of 27 species and 1 variety of Sect. Camellia in genus Camellia based on Chang’s taxonomic system was observed under scanning electronic microscope (SEM). The results indicate: the pollen size of Sect. Camellia is bigger. The shape of the regular pollen is prolate. There are some irregular pollen grains in some species. Pollen aperture is tri-colp-orate. There are four primary exine sculpture types of Sect. Camellia in genus Camellia: rugulate-fossulate, rugulate-ripple, rugulate-ripple to granutate and granutate. There are some difference of exine sculpture in these species. The difference of exine sculpture can provide some important information for plant classification and evolution. The classification states and disposal of some species or series were also discussed.

References

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Last Update: 2013-05-20