subject | relation | object |
---|---|---|
multicellular plant gametangium | is_a | plant organ (PO:0009008) |
multicellular plant gametangium | RO:0000056 | gametophyte development stage (PO:0028003) |
subject | relation | object |
---|---|---|
archegonium (PO:0025126) | is_a | multicellular plant gametangium |
antheridium (PO:0025125) | is_a | multicellular plant gametangium |