1·Objective: To study the shape and micro-character of euonymus alatus with phellem wing as drug, it supplied the bases for identifying the euonymus alatus.
目的：对以木栓翅入药的鬼箭羽的形态和显微特征进行研究，为鬼箭羽的鉴别提供依据。
2·The thickness of phellem, aerenchyma, diameter of vessel holes, and the number of vessels are related to the anti-waterlogging character.
木栓厚度，通气组织，管孔直径和导管数量与抗涝性相关。
3·The phellem of periderm and special morphological structure of sweet potato "Lushu 780" and "Shengli 00" play the role of a barrier to the spread and invasion of nematodes.
甘薯品种“鲁薯780”和“胜利百号”的周皮木栓层和一些特殊形态结构是阻止该线虫侵入和扩展的屏障。
4·Configuration feature: For lofty deciduous leaf arbor, the bark of grown tree has the phellem layer that develop.
形态特征：为高大的落叶乔木，成年树的树皮有发达的木栓层。
5·Convextype dots had not phellem cell in texture.
突嘴型果点无木栓细胞结构，属初生类型；