Brookweed vs Castor

Samolus valerandi compared with Ricinus communis

Key Differences

• Brookweed is Least Concern while Castor is Not Evaluated.

Taxonomic Classification

Rank	Brookweed	Castor
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Ericales (Ericales)	Malpighiales (Malpighiales)
Family	Primulaceae	Euphorbiaceae
Genus	Samolus	Ricinus
Species	Samolus valerandi	Ricinus communis

Evolutionary Relationship

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

Conservation Status

Brookweed

LC — Least Concern

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Brookweed	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brookweed

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), Oceania and the Pacific (Australia), and South America (Brazil, Chile).

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).

Brookweed

The Brookweed (Samolus valerandi) is a species in the genus Samolus. It is currently classified as Least Concern on the IUCN Red List. 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 10 countries:

🇦🇺 Australia 🇧🇪 Belgium 🇧🇷 Brazil 🇨🇱 Chile 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States