__________________ directly develops into male gametophyte in angiosperms.
Microspores are haploid plant spores that develop into male gametophyte (pollen grains) in angiosperms.
Microsporangia is a sac-like enclosure that contains developing spores and the cells that give rise to it.
Sporogenous tissue is a group of spore-producing cells present in the microsporangium.
Endothecium is a layer present in microsporangia that provides protection to young anther and helps in its dehiscence when mature.