The cambium which produces cork is known as

The balloon-like outgrowths of parenchyma cells in the lumen of vessels are known as .......

Assertion: In the stem,the pericycle takes an active part in secondary growth.
Reason: In dicots,the pericycle has the capacity to produce lateral roots.

In which stem is the lateral meristem absent?

Cork tissue arises from

Lenticels are involved in