Tissue

Location

Cells

Thickening

Function

Parenchyma

Pith & Cortex

Living

Cellulose

Support in herbaceous plants (when turgid)

Storage tissue.

Packaging

Collenchyma

Below epidermis

Living

Cellulose

Mechanical support

Sclerenchyma

Around vascular bundles

Dead

Lignin

Mechanical support

Xylem

Vascular bundle

Dead

Lignin

Mechanical support