piliferous

Root-hair; p.l. piliferous layer; ex. exodermis; co. cortex.

The root-hairs are mere protrusions of the cells of the outermost layer of the cortex of the root and this layer is called the piliferous layer.

Just below the piliferous layer two or three layers of thick-walled cells are seen.

Root-hair; 2. piliferous layer; 3. cortex; 4. endodermis; 5. pericycle; 6. xylem; 7. phloëm.

Piliferous: with a covering of fine hair or pile.