Answer:
In general, leaf is considered to be organs of a plant. However, leaves collectively could be called as a foliage. Different tissues make up an organ. The leaf comprises of different tissues:
- The epidermis tissue makes the upper and lower surface of the leaves.
- The mesophyll tissue is present in the centre of the leaves and contains chloroplasts.
- Vascular tissues, xylem and phloem, are also present in the plant which allow transportation.