Resin
🔬 Anatomy● Basic
A sticky, often aromatic substance secreted into ducts or canals in bark, wood and leaves and released when the plant is wounded; it hardens on exposure to air and is characteristic of conifers such as pines and firs.
A sticky, often aromatic substance secreted into ducts or canals in bark, wood and leaves and released when the plant is wounded; it hardens on exposure to air and is characteristic of conifers such as pines and firs.