Cay Sua vs Marsh fleabane

Alstonia scholaris compared with Pluchea carolinensis

Taxonomic Classification

Rank	Cay Sua	Marsh fleabane
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)	Asterales (Bộ Cúc)
Family	Apocynaceae	Asteraceae (Daisy Family)
Genus	Alstonia	Pluchea
Species	Alstonia scholaris	Pluchea carolinensis

Evolutionary Relationship

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

Conservation Status

Cay Sua

LC — Least Concern

Marsh fleabane

LC — Least Concern

Physical Characteristics

Attribute	Cay Sua	Marsh fleabane
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.

Marsh fleabane

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (Spain), North America (5 countries), and Oceania and the Pacific (6 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.

Shared Countries

Both species can be found in 2 countries:

🇹🇼 Taiwan 🇺🇸 United States