Bitter Dock vs Castor

Rumex obtusifolius compared with Ricinus communis

Taxonomic Classification

Rank	Bitter Dock	Castor
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Caryophyllales (Caryophyllales)	Malpighiales (Malpighiales)
Family	Polygonaceae	Euphorbiaceae
Genus	Rumex	Ricinus
Species	Rumex obtusifolius	Ricinus communis

Evolutionary Relationship

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

Conservation Status

Bitter Dock

NE — Not Evaluated

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Bitter Dock	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Dock

Habitat

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

Range

Widely distributed across Asia (6 countries), Europe (9 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (7 countries).

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).

Bitter Dock

The Bitter Dock (Rumex obtusifolius) is a species in the genus Rumex. 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 22 countries:

🇦🇷 Argentina 🇦🇺 Australia 🇧🇪 Belgium 🇧🇷 Brazil 🇨🇱 Chile 🇨🇴 Colombia 🇨🇷 Costa Rica 🇩🇰 Denmark 🇪🇨 Ecuador 🇫🇷 France 🇬🇷 Greece 🇮🇳 India 🇮🇷 Iran 🇯🇵 Japan 🇲🇽 Mexico 🇳🇴 Norway 🇵🇪 Peru 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States 🇻🇪 Venezuela