Castor vs Welsh onion

Ricinus communis compared with Allium fistulosum

Key Differences

• Castor is Not Evaluated while Welsh onion is Critically Endangered.

Taxonomic Classification

Rank	Castor	Welsh onion
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Magnoliopsida (Dicots)	Liliopsida (Monocots)
Order	Malpighiales (Malpighiales)	Asparagales (Asparagales)
Family	Euphorbiaceae	Amaryllidaceae
Genus	Ricinus	Allium
Species	Ricinus communis	Allium fistulosum

Evolutionary Relationship

Castor and Welsh onion share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Castor

NE — Not Evaluated

Welsh onion

CR — Critically Endangered

Physical Characteristics

Attribute	Castor	Welsh onion
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).

Welsh onion

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Algeria, Seychelles), Asia (Taiwan, Yemen), Europe (18 countries), North America (Canada, United States), Oceania and the Pacific (Tuvalu), and South America (Brazil, Colombia, Peru). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 24 countries:

🇩🇿 Algeria 🇦🇹 Austria 🇧🇪 Belgium 🇧🇷 Brazil 🇨🇴 Colombia 🇭🇷 Croatia 🇨🇿 Czech Republic 🇩🇰 Denmark 🇪🇪 Estonia 🇫🇷 France 🇬🇷 Greece 🇮🇹 Italy 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇪 Peru 🇸🇨 Seychelles 🇸🇰 Slovakia 🇪🇸 Spain 🇸🇪 Sweden 🇹🇼 Taiwan 🇹🇻 Tuvalu 🇬🇧 United Kingdom 🇺🇸 United States 🇾🇪 Yemen