Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. Living Organisms (hierarchy name)
4. living organisms (entities)
5. Eukaryota (domain)
6. Plantae (kingdom)
7. Angiospermae (division)
8. Magnoliopsida (class)
9. Rosanae (superorder)
10. Fabales (order)
11. Fabaceae (family)
12. Haematoxylum (genus)

Anotations

Scope note:

Species of flowering tree native to southern Mexico and northern Central America. The leaves and bark are used in various medical applications. It was long a natural source of reddish and bluish dye, still an important source of haematoxylin used in histology for staining.