Blackboard Tree vs Lansan

Alstonia scholaris compared with Protium attenuatum

Key Differences

• Blackboard Tree is Least Concern while Lansan is Endangered.

Taxonomic Classification

Rank	Blackboard Tree	Lansan
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Sapindales (Sapindales)
Family	Apocynaceae	Burseraceae
Genus	Alstonia	Protium
Species	Alstonia scholaris	Protium attenuatum

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Lansan

EN — Endangered

Physical Characteristics

Attribute	Blackboard Tree	Lansan
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.

Lansan

Habitat

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

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.