冰草属植物叶片解剖特征及其分类价值

Taxonomic Valuew of the Leaf Anatomical Characters of Agropyron J.Gaertn.

运用解剖学的手段对冰草属５种植物的叶片表皮结构和横切面结构进行了观察，发现叶片远轴面的表皮结构对冰草属属下等级的分类具有一定的意义，其区别特征上要表现在长细胞的大小，细胞壁波纹状弯曲的程度、成对短细抱的数目、气孔带的数目、副卫细胞的形态、以及微毛和刺毛等表皮附属物的分布与形态特征上．

In this paper,anatomical methods be used for studying thestructure of abaxial epidermises and transverse seetions of leaves of the fivespecies in Agropyron,The results showed that the size of long-cells、wallsof long-cells、number of paired short-cells and stomata bands、shape ofsubsidiary cells、microhairs and prickle-hairs possessed taxonomic value forclassification of Agropyron.