In Dryopteris,the placenta is the site of att | vedclass

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(C) In $Dryopteris$,the placenta refers to the specialized tissue on the leaf surface (or receptacle) from which the sporangia arise. The indusium,whi

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Sporangia

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(C) In $Dryopteris$,the placenta refers to the specialized tissue on the leaf surface (or receptacle) from which the sporangia arise. The indusium,which covers the sorus,also originates from this placental tissue. Therefore,the placenta is the site of attachment for the sporangia.

In $Dryopteris$,the placenta is the site of attachment for:

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