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. softwood
12. cypress (wood)

Additional parents:

1. top of the aat hierarchies
2. Materials Facet
3. Materials
4. materials
5. materials by origin
6. biological material
7. plant material
8. wood and wood by product
9. wood
10. wood by composition or origin
11. softwood
12. redwood

Anotations

Scope note:

Wood from the Sequoiadendron giganteum, found in California and Oregon, United States. The thick, reddish brown bark is fire resistant. Its wood is light weight, soft and brittle. It is not used as timber and is currently a protected species.