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山东广义苦荬菜属(菊科)叶表皮微形态的研究
高召兰;李法曾;   
1.山东师范大学生命科学学院;2.山东师范大学生命科学学院 济南250014;3.济南250014
摘要:
对山东广义苦荬菜属植物叶表皮微形态进行了光镜下的观察研究。结果表明:山东广义苦荬菜属9种植物叶表皮微形态可分为四种类型:(1)小苦荬型:上、下表皮均有气孔器,气孔器为不规则型,偶有非典型不等型,上、下表皮细胞为不规则形,垂周壁波状;(2)黄瓜菜型:上表皮无气孔器,下表皮气孔器为不规则型,偶有非典型不等型,上、下表皮细胞为不规则形,垂周壁深波状;(3)沙苦荬型:上、下表皮均有气孔器,气孔器为不规则型,偶有非典型不等型,上、下表皮细胞为多边形,垂周壁平直、弓形;(4)苦荬菜型:上、下表皮均有气孔器,气孔器为不规则型,偶有非典型不等型,上表皮细胞为不规则形,垂周壁波状,下表皮细胞为多边形,垂周壁弓形...
关键词:  叶表皮    苦荬菜属    菊科    山东
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