part_of part of part of develops_from develops from primary sporogenous cell sporocyte microsporocyte microsporocito (Spanish, exact) 小胞子母細胞 (Japanese, exact) Poaceae microsporocyte (narrow) Zea microsporocyte (narrow) PO:0020047 microspore mother cell (related) PO:0006451 A sporocyte (PO:0006204) that produces four haploid (1n) microspores (PO:0020048). 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), tassel floret (PO:0006310), lower floret of pedicellate spikelet of tassel (PO:0006313), lower floret of sessile spikelet of tassel (PO:0006315), upper floret of pedicellate spikelet of tassel (PO:0006314), upper floret of sessile spikelet of tassel (PO:0006316). PMC (related) plant_anatomy PO_GIT:361 pollen mother cell (related) PO:0006479 microsporangium