Explain how an upright position is maintained in herbaceous plants

Gunnera Manicata by the Trent and Mersey Canal

Explain how an upright position is maintained in herbaceous plants

Plant cells have a cellulose cell wall; which is rigid; plants absorb water through osmosis and cells become turgid; which makes the tissues firm and erect; Collenchyma cells have thickened cell walls; to give strength; Xylem vessels have thick and lignified walls; that strengthen plants.

Tracheids and fibres; in mature plants have dead thick lignified cells; for strength and support.

Parenchyma cells are round and tightly packed together; which maintains shape and firmness; of the plants.

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