Black Mullein vs Castor

Verbascum nigrum compared with Ricinus communis

Key Differences

• Black Mullein is Least Concern while Castor is Not Evaluated.

Taxonomic Classification

Rank	Black Mullein	Castor
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Lamiales (Lamiales)	Malpighiales (Malpighiales)
Family	Scrophulariaceae	Euphorbiaceae
Genus	Verbascum	Ricinus
Species	Verbascum nigrum	Ricinus communis

Evolutionary Relationship

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

Conservation Status

Black Mullein

LC — Least Concern

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Black Mullein	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Mullein

Habitat

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

Range

Found across Europe (7 countries) and North America (Canada, United States).

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).

Black Mullein

The Black Mullein (Verbascum nigrum) is a species in the genus Verbascum. 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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States