Where to Find Periderm?

As mentioned, periderm is usually located exterior to stem and branch phloem. It can also be generated along the interior of shallow wounds occurring outside of the xylem core. Periderm is composed of three tissue sets. The first is a meristematic zone called the cork cambium or phellogen (meaning cork producer).

Do leaves have periderm?

Periderm occurs regularly and can be initiated in the epidermis, mesophyll, phloem parenchyma of the leaf veins and in the ground tissue of the petiole. Periderm lies on the surface, is located in the mesophyll or splits it. ... Agathis leaves are able to form true wound periderm, which has been shown experimentally.

In which plants would you expect to find periderm tissue?

Periderm tissue plays a key role in various fruits and vegetables. It constitutes the skin of potato tubers, sweet potato storage roots, and carrot and forms the reticulated structures decorating different species of melon and cucumber, as well as the cork of tree barks—all of which are desired agricultural traits.