The outer tissue of the secondary plant body, consisting primarily of cork.
PEAR-ee-derm Outer covering of mature stems and roots. 541
a tissue primarily consisting of cork cells; outer bark
The protective coat that replaces the epidermis in plants during secondary growth, formed of the cork and cork cambium.
the outermost, corky layer of bark of a tree.
outer layer of root or stem
a protective tissue produced by the cork cambium