Biology, asked by rintuboruah2000, 28 days ago

Collumella of Hornia​

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Answered by Aakashkanojiya
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Answer:

Columella (in plants) is an axis of sterile tissue which passes through the center of the spore-case of mosses. In fungi it refers to a centrally vacuolated part of a hypha, bearing spores. The word finds analogous usage in myxomycetes.

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