leaf epidermis leaf adaxial epidermis A portion of leaf epidermis (PO:0006016) that covers the adaxial/upper surface of a leaf. PO:0006018 Used to refer to an adaxial epidermis of an entire leaf. More specific terms exist for leaf lamina adaxial epidermis and petiole adaxial epidermis. If you are annotating to this term, please add an additional annotation to vascular leaf (PO:0009025) or non-vascular leaf (PO:0025075), depending on the species. All annotations for angiosperms, gymnosperms, and pteridophytes should go to vascular leaf and all annotations for bryophytes should go to non-vascular leaf. epidermis adaxial de la hoja (Spanish, exact) plant_anatomy upper epidermis (related) 葉向軸側表皮 (Japanese, exact)