Castor vs Knotroot Bristle Grass

Ricinus communis compared with Setaria parviflora

Taxonomic Classification

Rank	Castor	Knotroot Bristle Grass
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Magnoliopsida (Dicots)	Liliopsida (Monocots)
Order	Malpighiales (Malpighiales)	Poales (Grasses)
Family	Euphorbiaceae	Poaceae (Grass Family)
Genus	Ricinus	Setaria
Species	Ricinus communis	Setaria parviflora

Evolutionary Relationship

Castor and Knotroot Bristle Grass share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Castor

NE — Not Evaluated

Knotroot Bristle Grass

NE — Not Evaluated

Physical Characteristics

Attribute	Castor	Knotroot Bristle Grass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Knotroot Bristle Grass

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Africa (Algeria, Congo (DRC), South Africa), Asia (7 countries), Europe (11 countries), North America (5 countries), Oceania and the Pacific (4 countries), and South America (6 countries).

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 34 countries:

🇩🇿 Algeria 🇦🇺 Australia 🇦🇹 Austria 🇧🇪 Belgium 🇧🇴 Bolivia 🇧🇷 Brazil 🇰🇭 Cambodia 🇨🇱 Chile 🇨🇳 China 🇨🇴 Colombia 🇨🇩 Congo (DRC) 🇩🇰 Denmark 🇩🇴 Dominican Republic 🇸🇻 El Salvador 🇫🇷 France 🇭🇳 Honduras 🇮🇳 India 🇮🇹 Italy 🇯🇵 Japan 🇲🇭 Marshall Islands 🇫🇲 Micronesia 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇼 Palau 🇵🇪 Peru 🇵🇹 Portugal 🇿🇦 South Africa 🇪🇸 Spain 🇸🇪 Sweden 🇹🇼 Taiwan 🇹🇱 Timor-Leste 🇬🇧 United Kingdom 🇺🇸 United States 🇻🇪 Venezuela