A native plant cell (PO:0025606) that divides to gives rise to a sporocyte (PO:0006204) and is part of a sporangium (PO:0025094). [source: ISBN:9780070588493, POC:Laurel_Cooper]
Comment
May also give rise to sterile cells such as elators (in liverworts) or tapetal cells. In most species outside seed plants, multiple archesporial cells are part of an archesporium or sporogenous tissue.