Biological characteristics of the <em>Myrica rubra</em> flower

SHEN Lifen; XIANG Weibo; FAN Caiting; JIN Peng; ZHOU Mingbing; XU Chuanmei

doi:10.11833/j.issn.2095-0756.2015.02.016

Volume 32 Issue 2

Mar. 2015

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SHEN Lifen, XIANG Weibo, FAN Caiting, JIN Peng, ZHOU Mingbing, XU Chuanmei. Biological characteristics of the Myrica rubra flower[J]. Journal of Zhejiang A&F University, 2015, 32(2): 278-284. doi: 10.11833/j.issn.2095-0756.2015.02.016

Citation:

SHEN Lifen, XIANG Weibo, FAN Caiting, JIN Peng, ZHOU Mingbing, XU Chuanmei. Biological characteristics of the Myrica rubra flower[J]. Journal of Zhejiang A&F University, 2015, 32(2): 278-284. doi: 10.11833/j.issn.2095-0756.2015.02.016

Biological characteristics of the Myrica rubra flower

doi: 10.11833/j.issn.2095-0756.2015.02.016

1.
The Nurturing Station for the State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

Received Date: 2014-03-07
Rev Recd Date: 2014-04-21
Publish Date: 2015-04-20

Abstract

The purpose of this study was to determine the biological characteristics of the Myrica rubra flower. The external structure of the anemophilous M. rubra flower was observed with a dissecting microscope; then pollen viability and development of the internal structure were determined by the fluorochrome reaction and eosin staining. Results showed that the male flower had 8 to 20 anthers and every anther had four pollen sacs. Most microspore tetrads had a tetrahedral type configuration with only a few having a successive configuration. Most mature pollen grains had two nuclei and three germinal apertures; pollen vitality was more than 90%. The female inflorescence consisted mainly of the stigma, style, and ovary. The superior ovary had a single carpel and one room. Also, the orthotropous ovule had a single integument and a thick nucellus. ［ch, 4 fig. 30 ref.］
- cash forestry,
- Myrica rubra,
- anther,
- ovary,
- biological characteristics

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Biological characteristics of the Myrica rubra flower

1. The Nurturing Station for the State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

Received Date: 2014-03-07

Rev Recd Date: 2014-04-21

Publish Date: 2015-04-20

Key words:

Abstract: The purpose of this study was to determine the biological characteristics of the Myrica rubra flower. The external structure of the anemophilous M. rubra flower was observed with a dissecting microscope; then pollen viability and development of the internal structure were determined by the fluorochrome reaction and eosin staining. Results showed that the male flower had 8 to 20 anthers and every anther had four pollen sacs. Most microspore tetrads had a tetrahedral type configuration with only a few having a successive configuration. Most mature pollen grains had two nuclei and three germinal apertures; pollen vitality was more than 90%. The female inflorescence consisted mainly of the stigma, style, and ovary. The superior ovary had a single carpel and one room. Also, the orthotropous ovule had a single integument and a thick nucellus. ［ch, 4 fig. 30 ref.］

Biological characteristics of the Myrica rubra flower

doi: 10.11833/j.issn.2095-0756.2015.02.016

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Biological characteristics of the Myrica rubra flower

doi: 10.11833/j.issn.2095-0756.2015.02.016

1. The Nurturing Station for the State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

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Biological characteristics of the Myrica rubra flower

doi: 10.11833/j.issn.2095-0756.2015.02.016

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Biological characteristics of the Myrica rubra flower

doi: 10.11833/j.issn.2095-0756.2015.02.016

1. The Nurturing Station for the State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

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