collenchyma

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Fig. 116 Collenchyma . Transverse section.

collenchyma

a type of plant tissue in which the cells are similar to PARENCHYMA but are smaller and have cellulose wall thickenings in layers, particularly at the angles when seen in transverse section. Collenchyma acts as a living supporting tissue, especially in young stems and leaves.

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mechanical tissues

References in periodicals archive ?

The cotyledonary petiole (Figure 3B) has uniseriate epidermis with unicellular non-glandular trichomes, collenchymatous and parenchymatous cortex and three collateral vascular bundles.

Germination and seedling structure of Ruprechtia laxiflora Meissn. (Polygonaceae)/Germinacao dos diasporos e estrutura das plantulas de Ruprechtia laxiflora Meissn. (Polygonaceae)

The epicotyl (Figure 4A) consists of uniseriate epidermis with unicellular non-glandular trichomes, collenchymatous and parenchymatous cortex, and central cylinder composed of two collateral vascular bundles and phloematic strands that surround the parenchymatous pith.

Morphoanatomy of Serjania communis Cambess. seedling (Sapindaceae)/Morfoanatomia da plantula de Serjania communis Cambess. (Sapindaceae)

prostrata are devoid of epicotyl, made up of stem (Figure 3C) with uniseriate epidermis presenting thick-wall cells and non-glandular trichomes, parenchymatous and collenchymatous cortex, central cylinder with six or seven collateral vascular bundles, and parenchymatous pith.

Seedling structure of Euphorbia L. and Chamaesyce Gray species/Estrutura da plantula de especies de Euphorbia L. e Chamaesyce Gray