What is xylem parenchyma?
Xylem parenchyma:
Assertion (A): Xylem is composed of different kinds of elements. Reason (R): Xylem parenchyma cells are living and thin walled. The main function of xylem parenchyma is to store starch and fatty substances.
Balloon like expansions of xylem parenchyma into the lumen of the vessels in secondary xylem are called