1. of or relating to the archesporium, the tissue in plants that gives rise to spore-producing cells in the anther or ovule
Usage: botany; technical

Examples

• The archesporial cells in the anther differentiate into pollen mother cells.
• Archesporial tissue is essential for proper development of the male reproductive structures in flowering plants.
• During microsporogenesis, the archesporial layer undergoes mitotic division.
• The archesporial region of the ovule produces the megaspore mother cell.