Blackboard Tree vs Walnut

Alstonia scholaris compared with Juglans regia

Taxonomic Classification

Rank	Blackboard Tree	Walnut
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Fagales (Beeches & Oaks)
Family	Apocynaceae	Juglandaceae
Genus	Alstonia	Juglans
Species	Alstonia scholaris	Juglans regia

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Walnut

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Walnut
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.

Walnut

Habitat

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

Range

Widely distributed across Africa (Libya), Asia (6 countries), Europe (23 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Brazil).

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