used to describe elongated sub-epidermal cells with unevenly thickened cell walls.

Sclerenchyma

Sclerenchyma is the tissue which makes the plant hard and stiff. Sclerenchyma is the supporting tissue and contributes to the mechanical behaviour of plants. Two types of sclerenchyma cells exist: cellular fibers and sclereids. Their cell walls consist of cellulose, hemicellulose,

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