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Male sporangium of a pine
3 remnants of sporogenous tissue
2 microsporangium wall
English name: Pine
Scientific name: Pinus sp.
Male sporangium of a pine. The male sporogenous tissue (microsporocytes) is located in the sporangium . After meiosis each microsporocyt forms 4 microspores. Each microspore gives rise to a pollen grain (microgametophyt) through mitosis.