Collenchyma Collection

Lime tree stem, light micrograph
Lime tree stem. Light micrograph of a section through the stem of a lime tree (Tilia europaea). The outer epidermis has been shed and replaced by a layer of cork (dark red)

Water lily leaf, light micrograph
Water lily leaf. Light micrograph of a transverse section through the leaf of a water lily (Nympha sp.) plant. All aquatic plants (hydrophytes) have a similar structure

Beech tree leaf, light micrograph
Beech tree leaf. Light micrograph of a section through the leaf of a common beech tree (Fagus sylvatica), showing the midrib

Sycamore leaf vein, light micrograph
Sycamore leaf vein. Light micrograph of a section through the midrib (vein) of a leaf from a sycamore (Acer pseudoplatanus) tree

Geranium stem, light micrograph
Geranium stem. Light micrograph of a section through a young stem of a geranium (Pelargonium sp.) plant. The outer stem is covered with a thin epidermis (red) which has stomata

Sage stem, light micrograph
Sage stem. Light micrograph of a section through a primary stem of a scarlet sage (Salivia splendens) plant. The outer stem is covered with a thin epidermis (green) that contains stomata

Stinging nettle stem, light micrograph
Stinging nettle stem. Polarised light micrograph of a transverse section through a stem of the stinging nettle plant (Urtica dioica)

Collenchyma plant cells, light micrograph
Collenchyma plant cells. Light micrograph of a transverse section through collenchyma tissue in the outer stem of a common nettle (Urtica dioica)

Sunflower stem, light micrograph
Sunflower stem. Light micrograph of a transverse section through the stem of a sunflower (Helianthus annuus) plant, showing a vascular bundle

Sweet potato stem, light micrograph
Sweet potato stem. Light micrograph of a transverse section through part of a sweet potato (Ipomoea batatas) stem. At bottom is a large area of pith, consisting of parenchyma cells

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Collenchyma: The Supportive Tissue in Plant Anatomy Lime tree stem, water lily leaf, beech tree leaf - what do they all have in common? They are all plant structures that contain an important tissue called collenchyma. Under the lens of a light micrograph, this specialized tissue reveals its unique characteristics. In the lime tree stem, collenchyma cells can be seen arranged in elongated strands running parallel to each other. These cells possess thickened cell walls which provide strength and support to the growing plant. Similarly, the water lily leaf showcases collenchyma's role in maintaining rigidity as it forms a framework along its veins. Moving on to another lime tree stem micrograph, we observe how collenchyma adapts to different parts of the plant. Here, it forms irregularly shaped patches rather than distinct strands like before. This flexibility allows for efficient growth and expansion while still providing structural reinforcement. Beech tree leaves also rely on collenchyma for their resilience against environmental stressors. Microscopic examination exposes intricate patterns where these supportive cells align themselves along the leaf's surface and veins. White bryony stems exhibit yet another variation arrangement under magnification. In this case, elongated columns form a lattice-like structure within the stem walls – reinforcing them against bending or breaking forces. Sage stems display clusters of densely packed collenchymatous cells that reinforce their overall structure while allowing flexibility during wind-induced movements or physical stresses. Sunflower stems showcase both uniform and scattered arrangements of these vital tissues when observed closely through a light microscope lens. Such diversity highlights nature's adaptability even within a single species. Examining sycamore leaf veins reveals how delicate networks of interconnected collenchymatous cells serve as conduits for nutrient transport throughout plants' foliage systems – ensuring optimal growth and vitality.