Explain the types of Collenchyma.

Explanation

Types of Collenchyma :
1. Angular collenchyma : It is the most common type of collenchyma with irregular arrangement and thickening at the angles where cells meets.
Example : Hypodermis of Datura and Nicotiana.
2. Lacunar collenchyma : The collenchyma cells are irregularly arranged . Cell wall is thickening on the walls bordering intercellular spaces.
Example : Hypodermis of Ipomoea
3. Lamellar collenchyma : The collenchyma cells are arranged compactly in layers (rows). The Cell wall is thickening is at tangential walls. These thickening appear as successsive tangential layers.
Example : Hypodermis of Helianthus