English name: Pine Scientific name: Pinus sp. Familia: Pinaceae Classis: Coniferopsida Phylum: Gymnospermae Regnum: Plantae
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.