Webb6 juni 2024 · Leafy stage develops from secondary protonema as a lateral bud. Protonema is creeping, green, branched frequently filamentous stage whereas leafy stage is upright … Webb14 sep. 2024 · 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.

Biology – Bryophytes askIITians

WebbIn structure, the gametophyte is distinguished into protonema and leafy stage, forming the male and female sex organs at their tips. The female sex organs are known as archegonia. It functions by producing the ovum or female gamete and is protected by perichaetium modified leaves. The archegonia resemble the shape of a bottle container. WebbThe predominant stage of the moss is the presence of gametophyte which consists of two stages the first stage is protonema and the second stage is leafy stage. Protonema … ear bubbling

Life Cycle of a Moss Plant - An Overview - BYJUS

WebbWhen this fungus and other agarics attack the protonema, Sphagnum is induced to produce nonphotosynthetic gemmae that can survive the fungal attack and months later … Webb29 mars 2024 · A protonema is a thread-like chain of cells that forms the gametophyte's earliest stage of growth in the life cycle of mosses. When a moss grows from a spore, it begins as a germ tube that lengthens and branches into a filamentous complex called a protonema, which develops into a leafy gametophore, the adult form of a gametophyte … WebbThe predominant stage of the life cycle of a moss 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 … e-a-r brand ear plugs