sporangium microsporangium macrosporangium (related) megasporangia (exact, plural) FNA:7f9e3756-4ac4-495d-8fb6-fffed355a241 小胞子嚢 (Japanese, exact) microsporangio (Spanish, exact) PO_GIT:254 2010-12-09T04:05:41Z rwalls A sporangium (PO:0025094) in which microspores (PO:0020048) are produced. macrosporangia (related, plural) microsporangia (exact, plural) plant_anatomy PO:0025202 FNA:6102371f-fcdd-47cd-b0fd-2d24e2d5c8cc