Bitter Nightshade vs Castor

Solanum dulcamara compared with Ricinus communis

Key Differences

• Bitter Nightshade is Least Concern while Castor is Not Evaluated.

Taxonomic Classification

Rank	Bitter Nightshade	Castor
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Solanales (Solanales)	Malpighiales (Malpighiales)
Family	Solanaceae	Euphorbiaceae
Genus	Solanum	Ricinus
Species	Solanum dulcamara	Ricinus communis

Evolutionary Relationship

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

Conservation Status

Bitter Nightshade

LC — Least Concern

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Bitter Nightshade	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Nightshade

Habitat

Inhabits deserts and xeric shrublands spanning the Afrotropic and Palearctic realms.

Range

Widely distributed across Asia (India, Israel, Yemen), Europe (9 countries), North America (Canada, United States), and Oceania and the Pacific (Australia, New Zealand).

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).

Bitter Nightshade

The Bitter Nightshade (Solanum dulcamara) is a species in the genus Solanum. It is currently classified as Least Concern on the IUCN Red List. Inhabits deserts and xeric shrublands spanning the Afrotropic and Palearctic realms.

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 14 countries:

🇦🇺 Australia 🇧🇪 Belgium 🇧🇬 Bulgaria 🇩🇰 Denmark 🇫🇷 France 🇮🇳 India 🇮🇱 Israel 🇳🇿 New Zealand 🇳🇴 Norway 🇵🇹 Portugal 🇪🇸 Spain 🇸🇪 Sweden 🇺🇸 United States 🇾🇪 Yemen