Typical stoma clusters were existed on the lower epidermis of the middle part of grape leaves.
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。
In Acorus both upper and lower epidermis cells are rectangle or rhombus, and the stomata apparatus are paracytic and arrange in rows along the veins.
菖蒲属叶上下表皮特征基本一致，细胞形状为长方形或近菱形，气孔器平列型，成纵行与叶脉平行排列；
MethodsThe scanning election microscope (SEM) was used to compare the characters of the original plant leaf lower epidermis of the commercial Flos Lonicera.
方法扫描电镜下比较观察川渝商品金银花原植物叶背特征。
MethodsThe scanning election microscope (SEM) was used to compare the characters of the original plant leaf lower epidermis of the commercial Flos Lonicera.
方法扫描电镜下比较观察川渝商品金银花原植物叶背特征。
应用推荐