Simple non-meristematic tissues are a type of permanent tissue that consists of cells that have stopped dividing and have differentiated into specific functions. These tissues are typically composed of a single layer of cells, making them simple in structure. Examples of simple non meristematic tissues include:

- Epidermal tissue: This tissue forms the outermost layer of the plant body and protects it from the external environment. It consists of tightly packed cells that may secrete cuticles or waxy substances to further enhance protection.

- Parenchyma tissue: Parenchyma cells are unspecialized and can have diverse functions. They are usually thin-walled and contain chloroplasts for photosynthesis, provide storage, or play a role in wound healing.

- Collenchyma tissue: This tissue provides structural support and flexibility to plant organs. Collenchyma cells are thickened at their corners, providing extra strength. They are often found in stems and petioles.

- Sclerenchyma tissue: Sclerenchyma cells are dead cells with thick, lignified walls, making them rigid and providing structural support. They are found in various parts of the plant body, including stems, leaves, and seeds.

- Xylem vessels: These are specialized cells that form the xylem tissue and transport water and mineral from roots to the upper parts of the plant.

- Phloem sieve tubes: These are specialized cells found in phloem tissue and facilitate the transport of sugars and other organic solutes throughout the plant.

Simple non-meristematic tissues are the result of cell differentiation during plant development. They have ceased mitotic divisions and perform specific functions necessary for the overall functioning and survival of the plant.