Cay Sua vs Oakleaf Cup

Alstonia scholaris compared with Rutstroemia sydowiana

Key Differences

• Cay Sua is Least Concern while Oakleaf Cup is Not Evaluated.

Taxonomic Classification

Rank	Cay Sua	Oakleaf Cup
Kingdom	Plantae (thực vật)	Fungi (nấm)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Leotiomycetes (Leotiomycetes)
Order	Gentianales (Bộ Long đởm)	Helotiales (Helotiales)
Family	Apocynaceae	Rutstroemiaceae
Genus	Alstonia	Rutstroemia
Species	Alstonia scholaris	Rutstroemia sydowiana

Conservation Status

Cay Sua

LC — Least Concern

Oakleaf Cup

NE — Not Evaluated

Physical Characteristics

Attribute	Cay Sua	Oakleaf Cup
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.

Oakleaf Cup

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.