xeromorphic

But it is of xeromorphic characteristic,and palisade tissue arrange in a circle under the epidermis in Reaumuria.

红砂属植物叶横切面呈扁圆形，栅栏组织呈环状排列于表皮之下;

Leaf structure of "Aquilaria sinensis" (Lour.) Gilg (Thymelaeaceae) observed under light microscope shows that the leaves are of typically bifacial exhibiting xeromorphic characters.

摘要用石蜡切法制，光学显微镜观察，研究白木香叶解剖结。