n. hypodermis
The ektexine of lower epidermis cellwas thickened obviously, some cell ektexine formed protuberance .
叶片下表皮细胞外壁有的加厚明显，有的形成突起。
参考来源 - 吉林省萱草属植物的比较解剖学研究·2,447,543篇论文数据，部分数据来源于NoteExpress
四种嵩草属植物叶片的上、下表皮均有较厚角质膜。
There were relatively thicker cuticular membranes on the upper and the lower epidermises.
叶的表皮观察表明，下表皮角质层主要为条纹状加厚。
Observations on the lower epidermal characters of leaves show that the cuticular layer is mainly striate thickened.
叶片中部下表皮存在典型的由气孔及其周围体形较小的气孔形成的气孔群。
Typical stoma clusters were existed on the lower epidermis of the middle part of grape leaves.
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