【摘 要】
：
以国家二级保护植物永瓣藤(Monimopetalum chinense)为研究对象，采用半薄切片法研究花部形态结构，探究永瓣藤的结种率低和胚珠败育的成因。研究结果表明永瓣藤花粉发育基本正常，花粉的实验观察未见异常结构；子房上位(周位花)，子房由4心皮组成，心皮边缘相互合并成隔膜，向心室中心延伸，但没有在子房中央完全连合封闭，子房1室，胚珠4枚，但有胚珠不育，常常仅1-2枚发育成种子；永瓣藤的花器官
【机 构】
：
广州大学生命科学学院,广州510006 华南农业大学生命科学学院,广州510640
【出 处】
：
广东省植物学会2010学术研讨会(2010年广东省植物学会青年学者学术研讨会)
论文部分内容阅读
以国家二级保护植物永瓣藤(Monimopetalum chinense)为研究对象，采用半薄切片法研究花部形态结构，探究永瓣藤的结种率低和胚珠败育的成因。研究结果表明永瓣藤花粉发育基本正常，花粉的实验观察未见异常结构；子房上位(周位花)，子房由4心皮组成，心皮边缘相互合并成隔膜，向心室中心延伸，但没有在子房中央完全连合封闭，子房1室，胚珠4枚，但有胚珠不育，常常仅1-2枚发育成种子；永瓣藤的花器官是介于风媒花与虫媒花之间的一种过渡类型。
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