# Plant Phenology Ontology (PPO)

> An ontology for describing the phenology of individual plants and populations of plants, and for...

- Page: https://library.schematica.io/model/bd86307ef74349ab89ee581733ad3202
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Small
- Formats: OWL
- Domains: Healthcare
- External link: https://bioportal.bioontology.org/ontologies/PPO
- Contact: Ramona Walls (rlwalls2008@gmail.com)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | PPO |
| Description | An ontology for describing the phenology of individual plants and populations of plants, and for integrating plant phenological data across sources and scales. |
| Format | OWL |
| Categories |  |
| Groups | OBO Foundry |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 569 |
| Individuals | 234 |
| Properties | 150 |
| Max Depth | 15 |
| Max Child Count | 57 |
| Average Child Count | 2 |
| Classes With One Child | 78 |
| Classes With More Than 25 Children | 2 |
| Classes With No Definition | 212 |

## Projects using PPO

No projects using PPO

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Source: https://library.schematica.io/model/bd86307ef74349ab89ee581733ad3202