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. [seed and seed components materials]
9. seed (material)

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Components
4. components
5. components by specific context
6. biological components
7. plant components
8. seeds

Anotations

Scope note:

Cereal grain belonging to the Maydeae tribe of the Poaceae grass family, originating in the Americas and cultivated for a wide variety of uses, including human and animal food and as raw material in industry.