Blackboard Tree vs Dense-Flower Mullein

Alstonia scholaris compared with Verbascum densiflorum

Taxonomic Classification

Rank	Blackboard Tree	Dense-Flower Mullein
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	Scrophulariaceae
Genus	Alstonia	Verbascum
Species	Alstonia scholaris	Verbascum densiflorum

Evolutionary Relationship

Blackboard Tree and Dense-Flower Mullein share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Blackboard Tree

LC — Least Concern

Dense-Flower Mullein

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Dense-Flower Mullein
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.

Dense-Flower Mullein

Habitat

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

Range

Widely distributed across Europe (12 countries), North America (United States), and South America (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 1 countries:

🇺🇸 United States