中国淫羊藿属药用植物花粉特征及其分类学意义
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国家自然科学基金项目(81160506,81360624);贵州省中药现代化科技产业研究开发专项(黔科合ZY字【2013】3007号);贵州省科技厅和贵阳中医学院联合资金(黔科合中药字(2010)LKZ7026号)


Pollen Characteristics and Taxonomic Significance of Chinese Epimedium Medicinal Plant
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    摘要:

    淫羊藿属(Epimedium L.)植物多为常用药材,分类和药材鉴定较为困难。该文采用扫描电镜对中国产淫羊藿属31种药用植物花粉的形态、大小和表面纹饰等进行了比较观察。结果显示:(1)淫羊藿属植物花粉形态多为长球形,少数为球形,大小为(15.5~25.0)×(27.3~48.1)μm,极面观多为三裂圆形,具三孔沟。(2)花粉粒外壁表面纹饰有网状、条网状、条纹状等类型。(3)花粉粒外壁纹饰如网眼的形状、大小和网脊表面特征等在各物种间有一定差异。研究结果为淫羊藿属药材鉴定与植物分类提供了重要的参考。

    Abstract:

    Most of Epimedium species are commonly used Chinese medicine that it is difficult to identify medicinal material and classification.Pollen morphology,size and exine ornamentation from 31 species of the genus Epimedium were examined using the scanning electron microscope.Results showed that:(1) The pollen shapes are mostly prolate.The minority of them are spherical with the size of (15.5-25.0) ×(27.3-48.1)μm and polar views are mostly trifid circular,with three hole groove.(2)There are three kinds of pollen grains with reticulate,article reticulate or striped exine ornamentation.(3) The study suggests that the exine ornamentation of pollen grains,among each species,would be different in shape and size of the mesh and surface characteristics of the net ridge etc.This study provided some new evidences for the plant taxonomy and the identification of medicinal materials of Epimedium.

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王悦云,孙庆文,杨雯,等.中国淫羊藿属药用植物花粉特征及其分类学意义[J].西北植物学报,2015,35(7):1367-1377

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  • 在线发布日期: 2015-08-29
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