Collenchyma Tissue

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Collenchyma cells have thickened primary walls that are usually uneven in thickness. A tissue made up of of just collenchyma cells is collenchyma tissue. Collenchyma tissue is often found in the cortex. There it provides an elastic, static force acting against the collective turgor pressure of the cells within. The two forces act together to support the plant.

• Link to image of wilt and recovery in a herbaceous plant.
• Link to image of collenchyma tissue in the Cortex of a Coleus stem.
• Link to image of collenchyma in the petiole of celery where cllenchyma tissue is organized to the outside of the vascular bundles.
• Link to image of detail of collenchyma tissue of celery.
• Link to image of the boundary between collenchyma and parenchyma in a celery petiole.