Tag Archives: abnormal secondary growth

Secondary Growth of Root

The roots increase in thickness by the formation of secondary vascular tissues. The secondary vascular tissues are produced by the activity of the vascular cambium. It produces the secondary xylem towards the inner side and secondaryphloem towards the outer side. Secondary growth is common in  gymnosperms and dicotyledonous roots. But it is absent in herbaceous dicots and monocots. Vascular Cambium ...

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