Blackboard Tree vs Mountain Hemlock

Alstonia scholaris compared with Tsuga mertensiana

Key Differences

• Blackboard Tree is Least Concern while Mountain Hemlock is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	Mountain Hemlock
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Coniferophyta (Conifers)
Class	Magnoliopsida (Dicots)	Pinopsida (Conifers)
Order	Gentianales (Gentianales)	Pinales (Pines & Allies)
Family	Apocynaceae	Pinaceae (Pine Family)
Genus	Alstonia	Tsuga
Species	Alstonia scholaris	Tsuga mertensiana

Evolutionary Relationship

Blackboard Tree and Mountain Hemlock share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Blackboard Tree

LC — Least Concern

Mountain Hemlock

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	Mountain Hemlock
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.

Mountain Hemlock

Habitat

Typically found in temperate and boreal forests, often at higher elevations.

Range

Distributed across Canada, Denmark, Iceland, Norway, and Sweden.

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.