Plants of the World Online: Kew's Comprehensive Botanical Database
In the rapidly evolving field of botany, access to accurate, centralized data is essential for researchers, conservationists, and enthusiasts alike. Plants of the World Online (POWO) serves as a monumental digital resource, providing a vast repository of botanical knowledge managed by the prestigious Royal Botanic Gardens, Kew.
By consolidating centuries of research into a single, accessible platform, POWO acts as a bridge between historical botanical studies and modern digital science, ensuring that the world's plant diversity is documented and understood.
ไม่มีภาพประกอบThe Evolution of a Global Botanical Resource
The journey of POWO began in March 2017, following the Convention on Biological Diversity. The primary mission was to construct an exhaustive online database encompassing all seed-bearing plants across the globe. In its early stages, the project focused heavily on tropical African flora, specifically targeting the flora of West and East Tropical Africa, as well as flora Zambesiaca.
Since its launch, the platform has expanded significantly. A major milestone occurred in March 2024, when the website began integrating AI-generated predictions regarding the extinction risk for all 328,565 known species of flowering plants, providing a critical tool for modern conservation efforts.
Scientific Foundation and Data Scope
To ensure the highest level of taxonomic accuracy, POWO utilizes the World Checklist of Vascular Plants (WCVP) as its primary taxonomical source. This is the same foundational data used by the International Plant Names Index (IPNI).
The database is a culmination of 250 years of botanical research. It is designed to preserve and share information from various projects that may no longer have an active online presence or were previously unavailable to the public. Users can access a wide range of data points, including:
- Taxonomy: The scientific classification and naming of plants.
- Identification: Characteristics used to recognize specific species.
- Distribution: The geographic ranges where plants are found.
- Traits and Uses: Physical characteristics and how plants are utilized.
- Threat Status: Information regarding the conservation needs of species.
Database Statistics as of March 2026
The scale of POWO is immense, reflecting the vast complexity of Earth's vegetation. As of March 2026, the database contains the following metrics:
| Category | Total Count |
|---|---|
| Global Plant Names | 1,444,000 |
| Detailed Descriptions | 530,400 |
| Images | 509,900 |
Key Facts
- Owner: Royal Botanic Gardens, Kew.
- Launch Date: March 2017.
- Primary Source: World Checklist of Vascular Plants (WCVP).
- AI Integration: Provides extinction risk predictions for 328,565 flowering plant species.
- Commercial Use: The database is not for commercial use.
Frequently Asked Questions
Who manages the Plants of the World Online database?
The database is owned and published by the Royal Botanic Gardens, Kew.
What kind of information can be found on POWO?
POWO provides information on plant taxonomy, identification, distribution, traits, uses, and threat status, alongside many images.
Does the database include extinction risk data?
Yes, since March 2024, the website has displayed AI-generated predictions for the extinction risk of all 328,565 known species of flowering plants.
What is the scientific basis for the plant names used?
The database uses the World Checklist of Vascular Plants (WCVP) as its taxonomical source, which is also used by the International Plant Names Index.
Is POWO a commercial product?
No, the Plants of the World Online database is not intended for commercial use.