A portion of plant tissue (PO:0009007) at the interface between two plant structures, one of which is in a gametophyte development stage (PO:0028003) and one of which is in a sporophyte development stage (PO:0028002), and that has as parts transfer cells (PO:0000078).
The transfer cells aid in nutrient transport. Examples include ovary placenta (PO:0020001) and fruit placenta (PO:0004535).
to all annotated objects annotated to placenta.
to all direct and indirect annotations
to all direct and indirect annotations download (limited to first 10,000)