The predominant stage of a moss (bryophyte) life cycle is the gametophyte, consisting of two stages: protonema stage (creeping, green, branched, filamentous, develops from spore) and leafy stage (develops from a lateral bud, has erect slender axes with spirally arranged leaves anchored by rhizoids, bears sex organs).
Lo stadio predominante del ciclo vitale di una muschio (briofita) รจ il gametofito, che consiste in due stadi: stadio protonemico (strisciante, verde, ramificato, filamentoso, si sviluppa dalla spora) e stadio fogliare (si sviluppa da un bocciolo laterale, ha assi eretti e sottili con foglie disposte a spirale sostenute da rizoidi, porta gli organi sessuali).
| Text | The predominant stage of the life cycle of a moss (bryophyte) is the gametophyte which consists of two stages. The first stage is the protonema stage, which develops directly from a spore. It is a creeping, green, branched and frequently filamentous stage. The second stage is the leafy stage, which develops from the secondary protonema as a lateral bud. It consists of upright, slender axes bearing spirally arranged leaves attached to the soil through multicellular and branched rhizoids. This stage bears the sex organs |
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