Interfascicular cambium develops from the cells of :

Options

(a) Xylem parenchyma
(b) Endomermis
(c) Pericycle
(d) Medullary rays

Correct Answer:

Medullary rays

Explanation:

At the time of secondary growth interfascicular cambium is formed by parenchymatous medullary rays. Interfascicular cambium along with intrafascicular cambium (formed from cambium cells present between xylem and phloem) constitute continuous cambium ring. If cut off new cells in both directions cause secondary growth in most dicotyledonous plants