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The male gametophyte that arises from a microspore of a heterosporous plant. In seed plants, the microgametophyte is contained in the pollen grain.
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Noun1.microgametophyte - the male gametophyte produced by a microsporemicrogametophyte - the male gametophyte produced by a microspore
gametophyte - the gamete-bearing individual or phase in the life cycle of a plant having alternation of generations
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Developmental bases for key innovations in the seed-plant microgametophyte.
Microcycas, for example, both the microgametophyte and the
For the microgametophytes, he sowed whole microsporangia on filter paper.