part_of part of part of develops_from develops from megasporocyte A sporocyte (PO:0006204) that produces four haploid (1n) megaspores (PO:0020019). Poaceae megasporocyte (narrow) PO:0000431 megasporocito (Spanish, exact) PO:0006463 PO:0006493 megaspore mother cell (exact) MMC (exact) If you are annotating to this structure for Zea mays or other grasses, please also add an annotation to the corresponding floret type. Choose the most specific term possible from: spikelet floret (PO:0009082), ear floret (PO:0006354), upper floret of pedicellate spikelet of ear (PO:0006350), upper floret of sessile spikelet of ear (PO:0006352). Zea megasporocyte (narrow) 大胞子母細胞 (Japanese, exact) plant_anatomy PO_GIT:361 female archesporial cell sporocyte megasporangium