protonema whole plant development stage

Term Information

Accession
PO:0030006
Aspect
plant structure development stage
Synonyms
exact: fase protonemica (Spanish)
exact: protonema phase
exact: protonemal phase
exact: 原糸体を形成する植物発生段階 (Japanese)
Definition
A gametophyte development stage during which a gametophyte undergoes filamentous growth and that succeeds spore germination and precedes a thalloid development stage (planar growth) or gametophore development stage. [source: POC:Ramona_Walls]
Comment
The protonema phase ends with the development of gametophores in mosses, some other bryophytes, and leptosporangiate ferns and with the development of a thallus in other bryophytes, although protonema tissue may persist of continue to develop after this.

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External References

closePO_GIT (1)

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