Button-Willow vs Castor

Cephalanthus occidentalis compared with Ricinus communis

Key Differences

• Button-Willow is Least Concern while Castor is Not Evaluated.

Taxonomic Classification

Rank	Button-Willow	Castor
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Malpighiales (Malpighiales)
Family	Rubiaceae	Euphorbiaceae
Genus	Cephalanthus	Ricinus
Species	Cephalanthus occidentalis	Ricinus communis

Evolutionary Relationship

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

Conservation Status

Button-Willow

LC — Least Concern

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Button-Willow	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Button-Willow

Habitat

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

Range

Distributed across Norway and 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).

Button-Willow

The Button-Willow (Cephalanthus occidentalis) is a species in the genus Cephalanthus. 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 2 countries:

🇳🇴 Norway 🇺🇸 United States