Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. colorant (material)
7. [colorant for dye and pigment]

Additional parents:

1. top of the aat hierarchies
2. Materials Facet
3. Materials
4. materials
5. materials by function
6. colorant
7. pigments
8. pigment by production method
9. lake

Anotations

Scope note:

A blackish blue or blood red natural colorant extracted from the logwood tree, Haematoxylon campechianum, of Central America, Mexico, and the West Indies. It was formerly used to make black ink, and is still used to dye textiles black.