Table 2.
Reference ontologies/vocabularies for plants
| Ontology Name | Scope | Unique Terms |
|---|---|---|
| Crop Ontology (CO)a | Traits (species‐specific) | 6298 |
| Trait Ontology (TO)a | Trait | 1554 |
| Plant Ontology (PO)a | Anatomy and development | 1991 |
| Gene Ontology (GO)a | Gene product | 49993 |
| Phenotypic Qualities Ontology (PATO)a | Trait qualities | 2730 |
| Chemical Entities of Biological Interest (CHEBI) | Chemistry | 132780 |
| Plant Experimental Conditions Ontology (PECO) | Environment | 563 |
| Sequence Ontology (SO)a | Genetic | 2473 |
| Protein Ontology (PRO) | Protein products | 216442 |
| Plant Phenology Ontology (PPO) | Phenology | 254 |
| Flora Phenotype Ontology (FLOPO) | Morphology and trait | 24199 |
a
Ontologies widely adopted in plant genetic databases.