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:

Wood of trees belonging to the genus Liquidambar, today native to North and South America and Asia. It is used for furniture, veneer, small decorative items, and for pulp for book paper. The reddish-brown heartwood is sold as "red gum wood."