Castor vs star-thistle

Ricinus communis compared with Centaurea calcitrapa

Key Differences

• Castor is Not Evaluated while star-thistle is Extinct.

Taxonomic Classification

Rank	Castor	star-thistle
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Malpighiales (Malpighiales)	Asterales (Daisies & Sunflowers)
Family	Euphorbiaceae	Asteraceae (Daisy Family)
Genus	Ricinus	Centaurea
Species	Ricinus communis	Centaurea calcitrapa

Evolutionary Relationship

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

Conservation Status

Castor

NE — Not Evaluated

star-thistle

EX — Extinct

Physical Characteristics

Attribute	Castor	star-thistle
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).

star-thistle

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (India, Japan), Europe (18 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, Brazil, Chile).

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 🇦🇹 Austria 🇧🇪 Belgium 🇧🇷 Brazil 🇧🇬 Bulgaria 🇨🇱 Chile 🇨🇿 Czech Republic 🇩🇰 Denmark 🇫🇷 France 🇮🇳 India 🇯🇵 Japan 🇲🇽 Mexico 🇳🇱 Netherlands 🇳🇿 New Zealand 🇳🇴 Norway 🇵🇹 Portugal 🇸🇰 Slovakia 🇿🇦 South Africa 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States