The kidney-shaped covering of Dryopteris is k | vedclass

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Question

(C) In $Dryopteris$,the sori (clusters of sporangia) are protected by a specialized,kidney-shaped,membranous structure called the $Indusium$. $Ramentu

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Indusium

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(C) In $Dryopteris$,the sori (clusters of sporangia) are protected by a specialized,kidney-shaped,membranous structure called the $Indusium$. $Ramentum$ refers to the brown,scaly hairs on the rhizome. $Placenta$ is the tissue to which sporangia are attached. $Sporophyll$ is a leaf that bears sporangia.

The kidney-shaped covering of $Dryopteris$ is known as:

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