Blackboard Tree vs Rough Star-thistle

Alstonia scholaris compared with Centaurea aspera

Key Differences

Blackboard Tree is Least Concern while Rough Star-thistle is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	Rough Star-thistle
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	Centaurea
Species	Alstonia scholaris	Centaurea aspera

Evolutionary Relationship

Blackboard Tree and Rough Star-thistle share a common ancestor at the Class level: Magnoliopsida. (Dicots)

View Class: Magnoliopsida

Conservation Status

Blackboard Tree

LC — Least Concern

Rough Star-thistle

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	Rough Star-thistle
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.

Rough Star-thistle

Habitat

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

Range

Widely distributed across Europe (7 countries), North America (United States), and Oceania and the Pacific (Australia).

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.