14种剑蕨属植物的孢子形态特征及其系统分类学意义

周喜乐; 严岳鸿; 赵国华; 刘红梅

doi:10.11913/PSJ.2095-0837.2016.50669

14种剑蕨属植物的孢子形态特征及其系统分类学意义

1.
上海辰山植物园, 上海 201602
2. 深圳市热带亚热带植物多样性重点实验室, 深圳市中国科学院仙湖植物园, 广东深圳 518004

基金项目: 国家自然科学基金项目（31300183）。

详细信息

作者简介:
周喜乐(1985-),男,硕士,研究方向为蕨类植物多样性与形态解剖(E-mail:hnzhouxile@163.com)。

通讯作者:
刘红梅(E-mail:sorolepidium@hotmail.com)。

中图分类号: Q949.36
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- 文章访问数: 1353
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出版历程
- 收稿日期: 2016-04-07
- 修回日期: 2016-05-23
- 发布日期: 2016-10-27

Spore Morphology of Loxogramme (Blume) C. Presl and Its Taxonomic Significance

1.
Shanghai Chenshan Botanical Garden, Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, Shanghai 201602, China
2. Key Laboratory of Southern Subtropical Plant Diversity, Fairylake Botanical Garden, Shenzhen & Chinese Academy of Sciences, Shenzhen, Guangdong 518004, China

Funds: This work was supported by a grant from the National Natural Science Foundation of China (31300183).

摘要

摘要: 利用扫描电子显微镜对水龙骨科（Polypodiaceae）剑蕨属（Loxogramme）14种植物的孢子形态和表面纹饰进行了观察。结果显示：剑蕨属的孢子具有单裂缝和三裂缝两种类型，个别物种具有中间过渡类型。剑蕨属的孢子纹饰为蠕虫状或浅波纹状。经比较发现，具三裂缝孢子的物种通常植株较小，而具单裂缝的种类则通常植株较大。从进化的角度来看，三裂缝孢子为原始类型，单裂缝孢子为进化类型，因而从孢子形态特征的角度支持剑蕨属为水龙骨科基部类群。
- 水龙骨科 /
- 孢子形态 /
- 扫描电镜 /
- 分类学
Abstract: Loxogramme (Blume) C. Presl is a small genus and the basal lineage of the derived fern family Polypodiaceae. In this study, new spore observations on Loxogramme were observed using scanning electron microscopy. The newly generated data were integrated and compared with previously reported evidence on this genus. Two main spore shapes, trilete and monolete, were found, with transitional types also observed in some species. In addition, two different ornamentation types were found in this genus, either rugate or vermiculate with or without globes. The two different spore types of Loxogramme are distinct within the family Polypodiaceae, and also are taxonomically useful in clarifying groups of this genus.
- Polypodiaceae /
- Spore morphology /
- SEM /
- Taxonomy

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参考文献(32)

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14种剑蕨属植物的孢子形态特征及其系统分类学意义

作者简介: 周喜乐(1985-),男,硕士,研究方向为蕨类植物多样性与形态解剖(E-mail:hnzhouxile@163.com)。

通讯作者: 刘红梅(E-mail:sorolepidium@hotmail.com)。

计量

出版历程

Spore Morphology of Loxogramme (Blume) C. Presl and Its Taxonomic Significance

计量

出版历程

目录

作者简介:
周喜乐(1985-),男,硕士,研究方向为蕨类植物多样性与形态解剖(E-mail:hnzhouxile@163.com)。

通讯作者:
刘红梅(E-mail:sorolepidium@hotmail.com)。