Cay Sua vs Castor

Alstonia scholaris compared with Ricinus communis

Key Differences

• Cay Sua is Least Concern while Castor is Not Evaluated.

Taxonomic Classification

Rank	Cay Sua	Castor
Kingdom same	Plantae (thực vật)	Plantae (thực vật)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Bộ Long đởm)	Malpighiales (Bộ Sơ ri)
Family	Apocynaceae	Euphorbiaceae
Genus	Alstonia	Ricinus
Species	Alstonia scholaris	Ricinus communis

Evolutionary Relationship

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

Conservation Status

Cay Sua

LC — Least Concern

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Cay Sua	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cay Sua

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

Range

Distributed across Micronesia, Taiwan, and United States.

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).

Cay Sua

The Blackboard Tree (Alstonia scholaris) is a species in the genus Alstonia. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

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 3 countries:

🇫🇲 Micronesia 🇹🇼 Taiwan 🇺🇸 United States