Blackboard Tree vs Oak-Leaf Hydrangea

Alstonia scholaris compared with Hydrangea quercifolia

Key Differences

• Blackboard Tree is Least Concern while Oak-Leaf Hydrangea is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	Oak-Leaf Hydrangea
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Cornales (Cornales)
Family	Apocynaceae	Hydrangeaceae
Genus	Alstonia	Hydrangea
Species	Alstonia scholaris	Hydrangea quercifolia

Evolutionary Relationship

Blackboard Tree and Oak-Leaf Hydrangea share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Blackboard Tree

LC — Least Concern

Oak-Leaf Hydrangea

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	Oak-Leaf Hydrangea
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.

Oak-Leaf Hydrangea

Habitat

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

Range

Distributed across Brazil, Italy, and Norway.

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.