Blackboard Tree vs Jack-bean

Alstonia scholaris compared with Canavalia napaliensis

Key Differences

• Blackboard Tree is Least Concern while Jack-bean is Critically Endangered.

Taxonomic Classification

Rank	Blackboard Tree	Jack-bean
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	Canavalia
Species	Alstonia scholaris	Canavalia napaliensis

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Jack-bean

CR — Critically Endangered

Physical Characteristics

Attribute	Blackboard Tree	Jack-bean
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.

Jack-bean

Habitat

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

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.