Blackboard Tree vs Herb Robert

Alstonia scholaris compared with Geranium robertianum

Taxonomic Classification

Rank	Blackboard Tree	Herb Robert
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Geraniales (Geraniales)
Family	Apocynaceae	Geraniaceae
Genus	Alstonia	Geranium
Species	Alstonia scholaris	Geranium robertianum

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Herb Robert

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Herb Robert
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.

Herb Robert

Habitat

Inhabits tropical and subtropical dry broadleaf forests and tropical and subtropical grasslands and savannas within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Georgia, Japan, Taiwan), Europe (8 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Bolivia, Brazil, 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.

Shared Countries

Both species can be found in 2 countries:

🇹🇼 Taiwan 🇺🇸 United States