Blackboard Tree vs Broom

Alstonia scholaris compared with Cytisus scoparius

Taxonomic Classification

Rank	Blackboard Tree	Broom
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Fabales (Legumes & Allies)
Family	Apocynaceae	Fabaceae
Genus	Alstonia	Cytisus
Species	Alstonia scholaris	Cytisus scoparius

Evolutionary Relationship

Blackboard Tree and Broom share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Blackboard Tree

LC — Least Concern

Broom

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Broom
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.

Broom

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and montane grasslands and shrublands, among 9 distinct biome types spanning the Afrotropic and Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Madagascar, South Africa), Asia (4 countries), Europe (13 countries), North America (Canada, Dominican Republic, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, Chile).

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.

Broom

The Broom (Cytisus scoparius) is a species in the genus Cytisus. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and montane grasslands and shrublands, among 9 distinct biome types spanning the Afrotropic and

Shared Countries

Both species can be found in 2 countries:

🇹🇼 Taiwan 🇺🇸 United States