Blackboard Tree vs Queen sago

Alstonia scholaris compared with Cycas circinalis

Key Differences

• Blackboard Tree is Least Concern while Queen sago is Endangered.

Taxonomic Classification

Rank	Blackboard Tree	Queen sago
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Tracheophyta
Class	Magnoliopsida (Dicots)	Cycadopsida (Cycadopsida)
Order	Gentianales (Gentianales)	Cycadales (Cycadales)
Family	Apocynaceae	Cycadaceae
Genus	Alstonia	Cycas
Species	Alstonia scholaris	Cycas circinalis

Evolutionary Relationship

Blackboard Tree and Queen sago share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Blackboard Tree

LC — Least Concern

Queen sago

EN — Endangered

Physical Characteristics

Attribute	Blackboard Tree	Queen sago
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackboard Tree

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.

Queen sago

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 5 distinct biome types spanning the Afrotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Marshall Islands, Portugal, South Africa, Taiwan, and United States. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Blackboard Tree

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