Cay Sua vs Hard Pine

Alstonia scholaris compared with Pinus rigida

Key Differences

• Cay Sua is Least Concern while Hard Pine is Not Evaluated.

Taxonomic Classification

Rank	Cay Sua	Hard Pine
Kingdom same	Plantae (thực vật)	Plantae (thực vật)
Phylum	Magnoliophyta (Flowering Plants)	Coniferophyta (Conifers)
Class	Magnoliopsida (Dicots)	Pinopsida (lớp Thông)
Order	Gentianales (Bộ Long đởm)	Pinales (bộ Thông)
Family	Apocynaceae	Pinaceae (Pine Family)
Genus	Alstonia	Pinus (Pines)
Species	Alstonia scholaris	Pinus rigida

Evolutionary Relationship

Cay Sua and Hard Pine share a common ancestor at the Kingdom level: Plantae. (thực vật)

Conservation Status

Cay Sua

LC — Least Concern

Hard Pine

NE — Not Evaluated

Physical Characteristics

Attribute	Cay Sua	Hard Pine
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.

Hard Pine

Habitat

Typically found in temperate and boreal forests, often at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (9 countries), North America (Canada, United States), and South America (Brazil).

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