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云贵水韭大孢子形态特征的新观察 被引量:2

New Observation of Megaspore Morphological Characteristics in Isoetes yunguiensis
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摘要 用扫描电镜观察到了国家一级保护植物云贵水韭(Isoetes yunguiensis)大孢子新的形态特征:孢子表面具球状颗粒;网状纹饰浅而细密;网状纹饰浅而细密且体积显著增加等。认为古老的异孢、有叶舌类植物的大孢子在大小、纹饰、裂缝等三方面都能发生显著变化。 New megaspore morphological characteristics of the protected plant--Isoetes yunguiensis were observed using scanning electron microscope (SEM). The result indicates: globular granule on megaspore surface ; inapparent reticulate ornamentation ; inapparent reticulate ornamentation with big size. Megaspore of the old ligulate heterosporophyte are easy to significantly change :in size, ornamentaion and fissure.
出处 《植物研究》 CAS CSCD 北大核心 2013年第3期271-273,共3页 Bulletin of Botanical Research
基金 国家自然科学基金资助项目(No.31170294)
关键词 云贵水韭 大孢子 形态特征 Isoetes yunguiensis megaspore morphological characteristics
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参考文献12

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