| 国产萝藦科牛奶菜族11属植物叶表皮形态研究 |
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| 引用本文： | 莫罗坚,黄久香,庄雪影,李秉滔.国产萝藦科牛奶菜族11属植物叶表皮形态研究[J].华南农业大学学报,2006,27(2):56-64. |
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| 作者姓名： | 莫罗坚 黄久香 庄雪影 李秉滔 |
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| 作者单位： | 华南农业大学,林学院,广东,广州,510642 |
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| 摘 要： | 在光学显微镜和扫描电子显微镜下观察了国产萝藦科牛奶菜族11属28种植物叶表皮的外表面和内表面形态特征.该族植物叶片上表皮细胞通常呈多边形,垂周壁平直或近平直;角质层有条纹状、乳突状、粗条状和脊状皱褶等结构;气孔器有平列型和环列型2种类型:眼树莲属D ischidia、球兰属Hoya和扇叶藤属M icholitzia具有环列型气孔器,其他属均为平列型.结合形态学、细胞学和分子生物学资料,提出牛奶菜族的气孔器可能是从平列型向环列型进化的.
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| 关 键 词： | 萝藦科 牛奶菜族 叶表皮形态 气孔器 角质层 |
| 文章编号： | 1001-411X(2006)02-0056-09 |
| 修稿时间： | 2004年12月20 |
Leaf Epidermis of 11 Genera of Marsdenieae(Asclepiadaceae) of China |
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| MO Luo-jian,HUANG Jiu-xiang,ZHUANG Xue-ying,LI Bing-tao.Leaf Epidermis of 11 Genera of Marsdenieae(Asclepiadaceae) of China[J].Journal of South China Agricultural University,2006,27(2):56-64. |
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| Authors: | MO Luo-jian HUANG Jiu-xiang ZHUANG Xue-ying LI Bing-tao |
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| Abstract: | Both inner surface and outer surface of leaf epidermis in the plants from 11 genera of Marsdenieae(Asclepiadaceae) of China were described under light microscope and scanning electronic microscope.The results indicated that the shapes of leaf epidermal cells were generally polygonal;the patterns of anticlinal walls were usually straight or nearly straight.Epidermal cuticle was striate,papillate and ridgelike.There were two types of stomatal apparatuses in Marsdenieae: cyclocytic type and paracytic type.The former type was seen in Hoya,Dishchidia,and Micholitzia.The other genera had paracytic type of stomatal apparatuses.Combination of morphological,cytological and molecular information,the evolutionary trend of the stomatal apparatuses was from paracytic type to cyclocytic type. |
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| Keywords: | Asclepiadaceae Marsdenieae leaf epidermis stomatal apparatuses cuticle |
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