gametophyte


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gametophyte

(găm′ĕ-tō-fīt) [″ + phyton, plant]
In plants, the sexual (gamete-producing) generation that alternates with the asexual (spore-producing) generation.

gametophyte

that part of the life cycle of plants which has HAPLOID nuclei and gives rise to the sex cells which on fusing produce a DIPLOID stage, usually the SPOROPHYTE. See ALTERNATION OF GENERATIONS.
References in periodicals archive ?
Early gametophyte ontogeny of Gleichenia bifida (Willd.) Spreng.
(1998) reviewed the biogenesis and function of four lipidic structures associated with male gametophytes; exine and pollenkitt as extracellular lipidic structures, and storage oil bodies and a dense membrane network as intracellular lipidic structures.
Mudge, "Persistence of gametophyte predominance in Chondrus crispus (Rhodophyta, Gigartinaceae) from Nova Scotia after 12 years," Hydrobiologia, vol.
(2010) there is considerable diversity in male gametophytes amongst the four orders of gymnosperms (Cycadales, Ginkgoales, Coniferales and Gnetales).
Most studies recorded that for algal germlings the effects of Cu toxicity appeared after four days and this was true for both an increase in the surface area of Fucus vesiculosus and apical hairs of its germlings [13], and also for the growth of gametophytes of Undaria pinnatifida [17].
Effects of sucrose and irradiance on germination and early gametophyte growth of the endangered tree fern Dicksonia sellowiana Hook.
In vitro cultures offer the chance to study the plant's development stages, from gametophyte to sporophyte, and also the opportunity to better understand its abiotic demands, thereby providing data to develop efficient propagation strategies (RANKER; HAUFLER, 2008) and contribute to conservation and sustainable use of the species (HARDING et al., 1997).
Botanists don't just go naming a big tuft of fern fronds one thing and its separate, little green gametophyte another.
They show extensive morphological and anatomical diversification in both gametophyte and sporophyte organization [3].