Cay Sua vs Devilshead

Alstonia scholaris compared with Echinocactus horizonthalonius

Taxonomic Classification

Rank	Cay Sua	Devilshead
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)	Caryophyllales (Bộ Cẩm chướng)
Family	Apocynaceae	Cactaceae
Genus	Alstonia	Echinocactus
Species	Alstonia scholaris	Echinocactus horizonthalonius

Evolutionary Relationship

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

Conservation Status

Cay Sua

LC — Least Concern

Devilshead

LC — Least Concern

Physical Characteristics

Attribute	Cay Sua	Devilshead
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.

Devilshead

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.