American Walnut vs Castor

Juglans nigra compared with Ricinus communis

Taxonomic Classification

Rank	American Walnut	Castor
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Fagales (Beeches & Oaks)	Malpighiales (Malpighiales)
Family	Juglandaceae	Euphorbiaceae
Genus	Juglans	Ricinus
Species	Juglans nigra	Ricinus communis

Evolutionary Relationship

American Walnut and Castor share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

American Walnut

NE — Not Evaluated

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	American Walnut	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Walnut

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (Armenia), Europe (19 countries), North America (Canada, Mexico, United States), and South America (Brazil).

Castor

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 7 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (33 countries), Asia (26 countries), Europe (23 countries), North America (15 countries), Oceania and the Pacific (14 countries), and South America (12 countries).

American Walnut

The American Walnut (Juglans nigra) is a species in the genus Juglans. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Castor

The Castor (Ricinus communis) is a species in the genus Ricinus. Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 7 distinct biome types. Populations are also found in montane and hi

Shared Countries

Both species can be found in 18 countries:

🇧🇪 Belgium 🇧🇷 Brazil 🇭🇷 Croatia 🇨🇿 Czech Republic 🇩🇰 Denmark 🇫🇷 France 🇭🇺 Hungary 🇮🇹 Italy 🇲🇽 Mexico 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇹 Portugal 🇷🇴 Romania 🇸🇰 Slovakia 🇪🇸 Spain 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States