| Features | Parenchyma | Collenchyma | Sclerenchyma |
| Cell shape | Isodiametric cells which are oval, spherical or polygonal in shape | Circular, oval or polyhedral. | Variable in shape. Fibres and sclereids. |
| Cell wall | Thin cellulosic cell wall. | Uneven thickening on their cell wall. | Lignified secondary cell wall present. |
| Cytoplasm | Abundant | Present | Absent |
| Nucleus | Present (Living tissue) | Present (Living tissue) | Absent (Dead tissue) |
| Vacuoles | Large vacuole | Vacuolated | Absent |
| Intercellular spaces | Present | Absent | Absent |
| Occurrence | Basically packing tissue, all soft part of plantpith, cortex, medullary rays. | Dicot stems, petiole and beneath the epidermis. Absent in monocot and roots. | Dicot hypodermis, bundle sheath, pericycle, seed, pulp of fruits. |
| Functions | Food storage, photosynthesis. | Provide tensile strength, mechanical support, photosynthesis | Protection from stress and strain, mechanical strength. |
