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Studies on epidermal micromorphology of eight genera in Annonaceae from China by SEM
Author(s): 
Pages: 146-152
Year: Issue:  2
Journal: JOURNAL OF CHINESE ELECTRON MICROSCOPY SOCIETY

Keyword:  番荔枝科叶表皮微形态扫描电镜;
Abstract: 利用扫描电子显微镜(SEM)对中国番荔枝科8属28种植物叶表皮的微形态进行了观察比较研究.结果表明8属植物叶片的表皮微形态在属级水平上较为稳定且具有较明显的属间差异.紫玉盘属具有星状毛;哥纳香属具有盾状毛和单列丝状毛两种类型表皮毛;蒙蒿子属具有棍棒状毛;而其它属只具有单列丝状毛;瓜馥木属叶远轴面表皮细胞外平周壁中央均向外突起形成一个乳突;鹰爪花属的气孔器具有双拱盖;银钩花属和蕉木属的气孔器突起,但前者的表皮细胞垂周壁直,而后者表皮细胞垂周壁深波状;金钩花属气孔器周围的角质层呈瘤状突起.因此,可以利用这些叶表皮的微形态特征将8属植物相互区别开来.
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