Adder’S-Mouth vs Castor

Malaxis bayardii compared with Ricinus communis

Key Differences

• Adder’S-Mouth is Critically Endangered while Castor is Not Evaluated.

Taxonomic Classification

Rank	Adder’S-Mouth	Castor
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Liliopsida (Monocots)	Magnoliopsida (Dicots)
Order	Asparagales (Asparagales)	Malpighiales (Malpighiales)
Family	Orchidaceae	Euphorbiaceae
Genus	Malaxis	Ricinus
Species	Malaxis bayardii	Ricinus communis

Evolutionary Relationship

Adder’S-Mouth and Castor share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Adder’S-Mouth	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Adder’S-Mouth

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Canada and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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).

Adder’S-Mouth

The Adder’S-Mouth (Malaxis bayardii) is a species in the genus Malaxis. It is currently classified as Critically Endangered on the IUCN Red List. This species inhabits Typically found in grasslands, wetlands, forests, and cultivated landscapes, found across Canada and United States.

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 1 countries:

🇺🇸 United States