Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by origin]
6. biological material
7. plant material
8. [wood and wood by product]
9. wood (plant material)
10. [wood by composition or origin]
11. hardwood

Anotations

Scope note:

General term for wood of any of several species of trees of the genera Eucalyptus, Corymbia, and Angophora that exude copious sap or gum from any break in the bark. It is tough, has an interlocking grain, and is used for mallets, furniture, and bottle cases.