表皮主要保护内部组织,可分为 上表皮 ( upper epidermis )与下表皮(lower epidermis),依植物种类的不同,约一层至数层,植物叶为适应环境,其表皮常特
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Leaf lower epidermis character 叶背特征
Leaf lower epidermis 叶下表皮
upper and lower epidermis 上下表皮
lower leaf epidermis 叶下表皮
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
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。
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