noun. The haploid gamete-producing phase in a plant characterized by alternation of generations.

noun. In thallophytes, the sexual form of the plant, as distinguished from the sporophyte, or asexual form.

noun. In the alternation of generations in plants, that generation or phase which bears sex organs and produces gametes. In the lower plants, as the algæ, the gametophyte is the conspicuous part of the plant body; in mosses it is the so-called moss plant; in ferns it is reduced to a small, early perishing body; and in seed plants it is usually microscopic or rudimentary.

noun. A plant (or the haploid phase in its life cycle) which produces gametes by mitosis in order to produce a zygote.

noun. the gamete-bearing individual or phase in the life cycle of a plant having alternation of generations

"Anthocerotales are a small and very distinct group, in which the gametophyte is a thallus, while the sporogonium possesses a sterile columella and is capable of long-continued growth and spore production."

sporophyte  

gametangium  gamete  gametogenesis  gametophytic  

flora  plant  plant life  

megagametophyte  microgametophyte