绵竹花形态结构及雌、雄配子体的发育研究

doi:10.7525/j.issn.1673-5102.2017.04.002

植物研究 ›› 2017, Vol. 37 ›› Issue (4): 492-498.doi: 10.7525/j.issn.1673-5102.2017.04.002

绵竹花形态结构及雌、雄配子体的发育研究

王雨珺¹, 罗剑¹, 陈楠楠¹, 林树燕², 丁雨龙², 王曙光¹

1. 西南林业大学生命科学学院, 昆明 650224;
2. 南京林业大学竹类研究所, 南京 210037

收稿日期:2016-12-19 出版日期:2017-07-15 发布日期:2017-07-22
通讯作者: 王曙光,E-mail:stevenwang1979@126.com E-mail:stevenwang1979@126.com
作者简介:王雨珺(1988-),女,博士研究生,主要从事竹类植物相关研究。
基金资助:
云南省教育厅科学研究基金项目（研究生项目）（2014J092）；国家自然基金（31560196）资助

Floral Morphology and Development of Female and Male Gametophyte of Bambusa intermedia Hsueh et Yi

WANG Yu-Jun¹, LUO Jian¹, CHEN Nan-Nan¹, LIN Shu-Yan², DING Yu-Long², WANG Shu-Guang¹

1. Life Science College of Southwest Forestry University, Kunming 650224;
2. Bamboo Research Institute of Nanjing Forestry University, Nanjing 210037

Received:2016-12-19 Online:2017-07-15 Published:2017-07-22
Supported by:
Scientific research foundation of Yunnan Provincial Department of Education(Graduate foundation)(2014J092);Nature Science Foundation of China(31560196)

摘要/Abstract

摘要： 对绵竹（Bambusa intermedia Hsueh et Yi）花器官的形态结构进行解剖观察，其花序属于无限花序，每个假小穗基部都生有潜伏芽。小花类型为开放型，基本结构包括内、外稃各1枚，浆片3枚，雄蕊6枚，雌蕊1枚，柱头羽毛状三分叉。小花中各结构的发育顺序为外稃→内稃→浆片→雄蕊→雌蕊。小穗中小花的发育顺序是由基部向顶部。子房1室，胚珠倒生，侧膜胎座，双珠被。药壁具4层细胞，有大量的败育情况出现。

关键词: 花芽, 花药, 子房, 败育

Abstract: The morphological characteristics of the floral organs of Bambusa intermedia Hsueh et Yi were observed. Its inflorescence belonged to the indefinite inflorescence, and each of pseudospikelets had dormant buds. The floret type was of open type, and its fundamental structure included lemma(1), lodicule(3), stamens(6) and pistil(1) with plumate stigma and three branches. The developmental sequence of these structures in florets was lemma→palea→lodicules→ stamens→pistil. The developmental sequence of florets in spikelet was from base to top. Its ovary was unilocular, with parietal placentation, and dual-integument enclosing the anatropous ovule. The anther walls contained 4 cell layers and a lot of aborti onsoccured.

Key words: flower bud, anther, ovary, abortion

中图分类号:

S795.9

王雨珺, 罗剑, 陈楠楠, 林树燕, 丁雨龙, 王曙光. 绵竹花形态结构及雌、雄配子体的发育研究[J]. 植物研究, 2017, 37(4): 492-498.

WANG Yu-Jun, LUO Jian, CHEN Nan-Nan, LIN Shu-Yan, DING Yu-Long, WANG Shu-Guang. Floral Morphology and Development of Female and Male Gametophyte of Bambusa intermedia Hsueh et Yi[J]. Bulletin of Botanical Research, 2017, 37(4): 492-498.

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绵竹花形态结构及雌、雄配子体的发育研究

Floral Morphology and Development of Female and Male Gametophyte of Bambusa intermedia Hsueh et Yi

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