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作 者 ：徐皓  秦剑侠  王玛丽

期 刊 ：西北植物学报 2007年 7期

关键词：假冷蕨属；冷蕨属；蹄盖蕨属；孢子形态；

Keywords:Pseudocystopteris, Cytopteris, Athyrium, spore morphology,

摘 要 ：利用光学显微镜和扫描电子显微镜对假冷蕨属4种植物的孢子进行了详细观察,并与亲缘关系较近的冷蕨属、蹄盖蕨属植物孢子形态进行比较。结果表明,假冷蕨属孢子均为单裂缝,两侧对称,极面观为椭圆形,赤道面观为肾形,周壁表面具不规则脊状褶皱,连接成网状。假冷蕨属与蹄盖蕨属孢子形态特征相似,亲缘关系较近。

Abstract:The spore morphologic characteristics of 4 species in the genus Pseudocystopteris were investigated under light microscope and scanning electron microscope and comparatived with Cytopteris and Athyrium which have close kinship to it.The results showed tha

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