Blackboard Tree vs Butterweed

Alstonia scholaris compared with Erigeron canadensis

Key Differences

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

Taxonomic Classification

Rank	Blackboard Tree	Butterweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Asterales (Daisies & Sunflowers)
Family	Apocynaceae	Asteraceae (Daisy Family)
Genus	Alstonia	Erigeron
Species	Alstonia scholaris	Erigeron canadensis

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Butterweed

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	Butterweed
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.

Butterweed

Habitat

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

Range

Widely distributed across Africa (9 countries), Asia (13 countries), Europe (20 countries), North America (5 countries), Oceania and the Pacific (Fiji, Micronesia, Papua New Guinea), 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.

Butterweed

The Butterweed (Erigeron canadensis) is a species in the genus Erigeron. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 2 countries:

🇫🇲 Micronesia 🇺🇸 United States