Blackboard Tree vs Corn speedwell

Alstonia scholaris compared with Veronica arvensis

Taxonomic Classification

Rank	Blackboard Tree	Corn speedwell
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Lamiales (Lamiales)
Family	Apocynaceae	Plantaginaceae
Genus	Alstonia	Veronica
Species	Alstonia scholaris	Veronica arvensis

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Corn speedwell

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Corn speedwell
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.

Corn speedwell

Habitat

Inhabits temperate broadleaf and mixed forests within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (4 countries), Europe (15 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Australia), and South America (5 countries).

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