Ajuga vs Bitter Nightshade

Ajuga reptans compared with Solanum dulcamara

Key Differences

• Ajuga is Endangered while Bitter Nightshade is Least Concern.

Taxonomic Classification

Rank	Ajuga	Bitter Nightshade
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Lamiales (Lamiales)	Solanales (Solanales)
Family	Lamiaceae	Solanaceae
Genus	Ajuga	Solanum
Species	Ajuga reptans	Solanum dulcamara

Evolutionary Relationship

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

Conservation Status

Ajuga

EN — Endangered

Bitter Nightshade

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Ajuga

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (6 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Brazil, Colombia). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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).

Ajuga

The Ajuga (Ajuga reptans) is a species in the genus Ajuga. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 11 distinct biome types. Populations are also found in montane and highland environment.

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.

Shared Countries

Both species can be found in 10 countries:

🇦🇺 Australia 🇧🇪 Belgium 🇨🇦 Canada 🇩🇰 Denmark 🇫🇮 Finland 🇳🇿 New Zealand 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇺🇸 United States