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
12. quebracho (wood)

Anotations

Scope note:

Wood from the species Schinopsis lorentzii. It is extremely hard, polishes well, and has a spotted reddish brown appearance. It is generally stained black. It is used for carvings, railway sleepers, and heavy construction.