part_of part of part of megasporangium tapetum tapetum cell megasporangium tapetum cell PO_GIT:531 c&#233lula del tapete de megasporangio (Spanish, exact) 大胞子嚢絨毯組織（タペート組織）細胞 (Japanese, exact) PO:0025564 Laurel_Cooper 2013-05-23T11:26:06Z plant_anatomy A tapetum cell (PO:0025543) that is part of a megasporangium tapetum (PO:0025315).