Blackboard Tree vs Tuberous Valerian

Alstonia scholaris compared with Valeriana tuberosa

Taxonomic Classification

Rank	Blackboard Tree	Tuberous Valerian
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Dipsacales (Dipsacales)
Family	Apocynaceae	Caprifoliaceae
Genus	Alstonia	Valeriana
Species	Alstonia scholaris	Valeriana tuberosa

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Tuberous Valerian

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Tuberous Valerian
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.

Tuberous Valerian

Habitat

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

Range

Found in Portugal.

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.