Question

Secondary growth in Mirabilis

Answer 1

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In botany, secondary growth is the growth that results from cell division in the cambia or lateral meristems and that causes the stems and roots to thicken, while primary growth is growth that occurs as a result of cell division at the tips of stems and roots, causing them to elongate, and gives rise to primary tissue.

Secondary growth is initiated by the formation of secondary cambium originating in the same manner as in Boerhaavia. This cambium cuts off secondary tissues, usually secondary xylem elements on the inner side which remain embedded in the conjunctive tissue. Secondary phloem elements are occasionally formed.

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Answer 2

secondary growth is initiated by formation of secondary cambium originated in the same manner as in Boerhaavia.is cambium Cuts of the secondary tissue ,usually secondary xylem elements on the inner side which remains embedded in the conjugative tissue