Flower development and pistil receptivity in <EM>Sinocalycanthus chinensis</EM> and <EM>Calycanthus floridus var. oblongifolius</EM>

ZHAO Hong-bo; ZHOU Li-hua; HAO Ri-ming

Volume 26 Issue 3

Jun. 2009

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Article Navigation > Journal of Zhejiang A&F University > 2009 > 26(3): 302-307

ZHAO Hong-bo, ZHOU Li-hua, HAO Ri-ming. Flower development and pistil receptivity in Sinocalycanthus chinensis and Calycanthus floridus var. oblongifolius[J]. Journal of Zhejiang A&F University, 2009, 26(3): 302-307.

Citation:

ZHAO Hong-bo, ZHOU Li-hua, HAO Ri-ming. Flower development and pistil receptivity in Sinocalycanthus chinensis and Calycanthus floridus var. oblongifolius[J]. Journal of Zhejiang A&F University, 2009, 26(3): 302-307.

Flower development and pistil receptivity in Sinocalycanthus chinensis and Calycanthus floridus var. oblongifolius

1.
School of Agriculture and Food Science，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China;
2.
College of Horticulture，Nanjing Agricultural University，Nanjing 210095，Jiangsu，China

More Information

Corresponding author: ZHAO Hong-bo
Publish Date: 2009-06-20

Abstract

The flower development process and pistil receptivity of Sinocalycanthus chinensis and Calycanthus floridus var. oblongifolius were studied by macroscopic observation and using an in vivo pollen germination method. Flower development stages，consisting of a）small flower buds，b）large flower buds，c）relaxed flower buds，d）blooming but anther not dehisced，and e）blooming with anther dehisced，as well as pistil receptivity were almost consistent，whereas pistil development and anther growth differed slightly. Each stage interval was 1 － 2 d with higher temperatures accelerating development. From the small flower bud stage to blooming with anther dehisced，stamens and staminodes were erect，expanding，and then folding. Pistil receptivity period for these two species was 7 － 8 d，and receptivity was strongest at the blooming but anther not dehisced stage. This flower structure and its relative movement facilitated to outcrossing. ［Ch，4 fig. 2 tab. 16 ref.］
- botany,
- Sinocalycanthus chinensis,
- Calycanthus floridus var. oblongifolius,
- characteristics of flower development,
- pistil receptivity

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Proportional views

Flower development and pistil receptivity in Sinocalycanthus chinensis and Calycanthus floridus var. oblongifolius

1. School of Agriculture and Food Science，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China;

2. College of Horticulture，Nanjing Agricultural University，Nanjing 210095，Jiangsu，China

Corresponding author: ZHAO Hong-bo

Publish Date: 2009-06-20

Key words:

botany /
Sinocalycanthus chinensis /
Calycanthus floridus var. oblongifolius /
characteristics of flower development /
pistil receptivity

Abstract: The flower development process and pistil receptivity of Sinocalycanthus chinensis and Calycanthus floridus var. oblongifolius were studied by macroscopic observation and using an in vivo pollen germination method. Flower development stages，consisting of a）small flower buds，b）large flower buds，c）relaxed flower buds，d）blooming but anther not dehisced，and e）blooming with anther dehisced，as well as pistil receptivity were almost consistent，whereas pistil development and anther growth differed slightly. Each stage interval was 1 － 2 d with higher temperatures accelerating development. From the small flower bud stage to blooming with anther dehisced，stamens and staminodes were erect，expanding，and then folding. Pistil receptivity period for these two species was 7 － 8 d，and receptivity was strongest at the blooming but anther not dehisced stage. This flower structure and its relative movement facilitated to outcrossing. ［Ch，4 fig. 2 tab. 16 ref.］

Flower development and pistil receptivity in Sinocalycanthus chinensis and Calycanthus floridus var. oblongifolius

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References

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通讯作者: 陈斌, bchen63@163.com

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Flower development and pistil receptivity in Sinocalycanthus chinensis and Calycanthus floridus var. oblongifolius

1. School of Agriculture and Food Science，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China;

2. College of Horticulture，Nanjing Agricultural University，Nanjing 210095，Jiangsu，China

Corresponding author: ZHAO Hong-bo

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Flower development and pistil receptivity in Sinocalycanthus chinensis and Calycanthus floridus var. oblongifolius

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通讯作者: 陈斌, bchen63@163.com

Related

Proportional views

Flower development and pistil receptivity in Sinocalycanthus chinensis and Calycanthus floridus var. oblongifolius

1. School of Agriculture and Food Science，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China; 2. College of Horticulture，Nanjing Agricultural University，Nanjing 210095，Jiangsu，China

Corresponding author: ZHAO Hong-bo

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1. School of Agriculture and Food Science，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China;

2. College of Horticulture，Nanjing Agricultural University，Nanjing 210095，Jiangsu，China