noun (plural microsporangia /-j(ē)ə/)Botany
A sporangium containing microspores.
- Each anther has four microsporangia arranged in pairs in the two lobes.
- In pollen cones, microsporangia are borne on a single bract without a trace of a second, subtending structure.
- The microsprophylls of cycads are arranged in strobili and bear clusters of microsporangia on their abaxial surface.
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