The secondary growth in the stem of Cycas is | vedclass

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(C) In $Cycas$,the secondary growth is anomalous. It is brought about by the formation of successive rings of cambium. As the first cambium ring cease

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Number of cambia produced in succession

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(C) In $Cycas$,the secondary growth is anomalous. It is brought about by the formation of successive rings of cambium. As the first cambium ring ceases to function,a new cambium ring is formed from the cortical cells outside the previous one. This process repeats,leading to the formation of multiple rings of vascular tissues (up to $22$ rings have been observed in older stems).

The secondary growth in the stem of $Cycas$ is brought about by:

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