gametophyte (syn. gametophore) That part of the plant which bears the gametes or sexual cells. In mosses, all of the plant except the "fruit," or seta and capsule. GardenWeb Glossary of Botanical Terms New Search: ...
The gametophytes are haploid plants, generated by the germination of spores, and are the generation responsible for the sexual reproduction, by producing male and female cells.
gametophyte search for term- n. (Gr. gamete, a wife; phyton, plant) the gamete-forming haploid phase in the alternation of plant generations.gamopetalous search for term- a.
Megagametophyte- The female gametophyte which develops from the megaspore and produces the female gamete(s). Megasporangium- The sporangium in which megaspores are produced; the nucellus of seed plants.
Three of these usually disintegrate, and one divides mitotically and develops into a female gametophyte, also called and embryo sac. The embryo sac contains seven cells with eight haploid nuclei.
The newly emerging gametophytes, which have begun to grow from long, tongue-like threads into the heart-shaped prothalli, are too small to see without magnification.
bryophyte -- Plants in which the gametophyte generation is the larger, persistent phase; they generally lack conducting tissues. Bryophytes include the Hepaticophyta (liverworts), Anthocerotophyta (hornworts), and Bryophyta (mosses).
POLLEN: The microspores that carry the male gametophyte of seed plants. POLLINATOR: Any being, insect or creature such as bees, moths, butterflies, animals and insects that move from plant to plant.
pollen Minute powder-like grains borne by the anther. Pollen contains the male gametophyte of a plant. precocious Flowering before the leaves appear. pubescent Covered with soft, short hair.
See also: Plant, Genera, Sporophyte, Epiphyte, Pollen
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