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- Protonema abstract "A protonema (plural: protonemata) is a thread-like chain of cells that forms the earliest stage (the haploid phase) of a bryophyte life cycle. When a moss first grows from the spore, it grows as a protonema which develops into a leafy gametophore.Hornworts do not have a protonemal stage, the spores germinate directly into a new Gametophyte generation.Moss spores germinate to form an alga-like filamentous structure called the protonema. It represents the juvenile gametophyte. While the protonema is growing by apical cell division, at some stage, under the influence of the phytohormone cytokinin, buds are induced which grow by three-faced apical cells. These give rise to gametophores, stems and leaf like structures (bryophytes do not have true leaves (megaphyll)). These gametophores are the adult form of thegametophyte. Protonema are characteristic of all mosses and some liverworts but are absent from hornworts.The protonema is also the photosynthetic part of a germinating fern spore.".
- Protonema thumbnail Physcomitrella_Protonema.jpg?width=300.
- Protonema wikiPageID "2830619".
- Protonema wikiPageRevisionID "602445670".
- Protonema hasPhotoCollection Protonema.
- Protonema subject Category:Bryophytes.
- Protonema type Bryophyte111537327.
- Protonema type Bryophytes.
- Protonema type LivingThing100004258.
- Protonema type NonvascularOrganism113084479.
- Protonema type Object100002684.
- Protonema type Organism100004475.
- Protonema type PhysicalEntity100001930.
- Protonema type Whole100003553.
- Protonema comment "A protonema (plural: protonemata) is a thread-like chain of cells that forms the earliest stage (the haploid phase) of a bryophyte life cycle. When a moss first grows from the spore, it grows as a protonema which develops into a leafy gametophore.Hornworts do not have a protonemal stage, the spores germinate directly into a new Gametophyte generation.Moss spores germinate to form an alga-like filamentous structure called the protonema. It represents the juvenile gametophyte.".
- Protonema label "Protonema".
- Protonema label "Protonema".
- Protonema label "Protonema".
- Protonema label "Protonema".
- Protonema label "Protonema".
- Protonema label "Splątek".
- Protonema label "Протонема".
- Protonema label "原絲體".
- Protonema sameAs Prvoklíček.
- Protonema sameAs Protonema.
- Protonema sameAs Protonema.
- Protonema sameAs Protonema.
- Protonema sameAs Splątek.
- Protonema sameAs Protonema.
- Protonema sameAs m.085f_s.
- Protonema sameAs Q1427759.
- Protonema sameAs Q1427759.
- Protonema sameAs Protonema.
- Protonema wasDerivedFrom Protonema?oldid=602445670.
- Protonema depiction Physcomitrella_Protonema.jpg.
- Protonema isPrimaryTopicOf Protonema.
