Blackboard Tree vs Senna

Alstonia scholaris compared with Tephrosia senna

Key Differences

• Blackboard Tree is Least Concern while Senna is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	Senna
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	Tephrosia
Species	Alstonia scholaris	Tephrosia senna

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Senna

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	Senna
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.

Senna

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in Cuba.

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.