| 十种藓类植物茎的比较解剖学观察 |
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| 引用本文： | 韩留福,刘伟,赵建成,王晓蕊. 十种藓类植物茎的比较解剖学观察[J]. 干旱区研究, 2003, 20(1): 20-24 |
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| 作者姓名： | 韩留福 刘伟 赵建成 王晓蕊 |
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| 作者单位： | 河北师范大学生命科学学院,石家庄,050016 |
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| 摘 要： | 利用石蜡切片的方法 ,对十种藓类植物 ,钝叶蓑藓 (Macromitriumjaponicum Doz.et.Molk .)、疏齿墙藓〔 Tortulanorvegica(Web .)Wahl.exLindb .〕、岸生连轴藓〔 Schistidiumrivularis(Brid .)Podp .〕、树形疣灯藓〔Trachycystisussuriensis(MaacketRegel )T .Kop .〕、齿边缩叶藓〔 Ptychomitriumdentatum(Mitt.)Jaeg .〕、山羽藓〔 Abietinellaabietina(Hedw .)Fleisch〕、东亚万年藓 ( Climaciumjaponicum Lindb .)鼠尾藓〔 Myurocladamaximowiczii(Borszcz)SteeretSchof.〕、卷叶凤尾藓 (FissidensdubiusP .Beauv .)及二形凤尾藓 (FissidensgeminiflorusDoz .etMolk .)的茎横切面的解剖观察结果表明 :茎的形状、中轴细胞的有无、形状及所占的比例、外皮部厚壁细胞的层数等特征因种类不同而有明显差异 ,可以作为分类依据之一。外皮部厚壁细胞的层数可能与藓类植物的生境有关。
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| 关 键 词： | 藓类植物 茎 解剖学 |
| 文章编号： | 1001-4675(2003)01-0020-05 |
| 修稿时间： | 2002-07-15 |
Comparison of Anatomy of the Stems among Ten Species of Mosses |
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| HAN Liufu LIU Wei ZHAO Jiancheng WANG Xiaorui. Comparison of Anatomy of the Stems among Ten Species of Mosses[J]. Arid Zone Research, 2003, 20(1): 20-24 |
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| Authors: | HAN Liufu LIU Wei ZHAO Jiancheng WANG Xiaorui |
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| Abstract: | The structure of the stems of 10 species of mosses (Macromitrium japonnicum, Tortula norvegica, Schistidium rivilaris, Trachycystis ussuriensis, Ptychomitrium dentatum, Abletinella abietina, Climacium japnicum, Myuroclada maximowiczii, Fissidens dubius and Fissidens geminiflorus) are observed by means of paraffin wax sections. The results show that the features including the shapes of stems, cell shapes and scale of the axial part of stems, number of layers of sclerenchyma of the external cortex in the stems are obviously different from the different species of mosses. These features can be regarded as the classification bases. The number of layers of sclerenchyma of the external cortex in the stems may be related to the habitat of the mosses. |
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| Keywords: | moss stem anatomy. |
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