exact: zona central de la lámina de la hoja (Spanish)
Definition
Region that includes the widest or majority portion of leaf lamina and that does not include leaf apex and leaf lamina base. [source: GR:Chih-Wei_Tung]
Comment
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.