microsporangium


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microsporangium

the sporangium from which the microspores are formed, which in higher plants is the pollen sac. see ANTHER.
References in periodicals archive ?
2, 3(I-II), the microsporangium wall of sterile anthers consisted of epidermis, endothecium, middle layer, and tapetum.
microsporangium The structure in which microspores are produced.
Each microsporangium displays four wall layers (from outside in: epidermis, endothecium, middle layer, and parietal layer), a secretory tapetum and the central male cells.