leaf epidermis leaf abaxial epidermis abaxial leaf epidermis A portion of leaf epidermis (PO:0006016) that covers the abaxial/lower surface of a leaf. Used to refer to an abaxial epidermis of an entire leaf. More specific terms exist for leaf lamina abaxial epidermis and petiole abaxial 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. leaf underside 葉背軸側表皮 (Japanese, exact) epidermis abaxial de la hoja (Spanish, exact) plant_anatomy A portion of leaf epidermis (PO:0006016) that covers the abaxial/lower surface of a leaf (PO:0025034). lower epidermis (related) PO:0006019 lower leaf