Taxonomic study on the genus Glochidion(Phyllanthaceae)from China


算盘子属GlochidionJ.R.etG.Forster是叶下珠科的一个大属,全世界约有300多种,主要分布在印度-太平洋地区,东至波利尼西亚东南部,南至澳大利亚,我国大约有33种,2变种,主要分布在西南部至台湾。该属因无花盘、药隔突尖、花柱合生等特征易与叶下珠科其它属区分。虽然前人已对中国算盘子属进行了较为全面的修订,但对部分疑难种的分类处理问题,学术界仍存在争议。此外,依据雄蕊数目或花柱形态建立的属下分类系统是否合理,目前仍不清楚。本研究通过查阅标本和文献,综合野外居群观察、形态学、叶表皮微形态学、孢粉学及分子系统学研究工作,旨在为该属上述分类学问题的解决提供多方面的的证据。主要研究结果...Glochidion J. R. etG. Forster, consistingof over 300 species, is a large genus of Phyllanthaceae, and is mainly distributed in the Indo-Pacific, east tosoutheast Polynesia and south into Australia. There are about 33species, 2 variations in southwest China and Taiwan. This genus can be easily distinguished from other related genera by the absence of disk-scales or glands in both female and male fl...学位:理学硕士院系专业:生命科学学院_植物学学号:2162014115243

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