In plants having longest vessel, oil glands are formed
Lysigenously
Schizogenously
Schizolysigenoulsy
Both (1) & (2)
In some plants, oil glands can be formed lysigenously in the longest vessels, specifically in the wood or xylem vessels. This means that the oil glands are formed by the disintegration or lysis of cells within the vessel. Hence, the correct answer is option 1.