Which of the following pteridophytes exhibits | vedclass

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(C) Secondary growth is a characteristic feature of seed-bearing plants (gymnosperms and angiosperms). However,among pteridophytes,the genus $Isoetes$

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$Isoetes$

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(C) Secondary growth is a characteristic feature of seed-bearing plants (gymnosperms and angiosperms). However,among pteridophytes,the genus $Isoetes$ is a notable exception.$Isoetes$ exhibits secondary growth due to the presence of a unique cambium in its corm-like stem,which produces secondary xylem and secondary phloem. This allows the plant to increase in girth,a feature not typically found in other pteridophytes.

Which of the following pteridophytes exhibits secondary growth?

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