Cay Sua vs Valley redstem

Alstonia scholaris compared with Ammannia coccinea

Taxonomic Classification

Rank	Cay Sua	Valley redstem
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)	Myrtales (Bộ Đào kim nương)
Family	Apocynaceae	Lythraceae
Genus	Alstonia	Ammannia
Species	Alstonia scholaris	Ammannia coccinea

Evolutionary Relationship

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

Conservation Status

Cay Sua

LC — Least Concern

Valley redstem

LC — Least Concern

Physical Characteristics

Attribute	Cay Sua	Valley redstem
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.

Valley redstem

Habitat

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

Range

Widely distributed across Asia (4 countries), Europe (10 countries), North America (6 countries), and South America (Chile, Colombia).

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.

Shared Countries

Both species can be found in 2 countries:

🇹🇼 Taiwan 🇺🇸 United States