Blackboard Tree vs Limestone Violet

Alstonia scholaris compared with Viola calcicola

Key Differences

• Blackboard Tree is Least Concern while Limestone Violet is Near Threatened.

Taxonomic Classification

Rank	Blackboard Tree	Limestone Violet
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Malpighiales (Malpighiales)
Family	Apocynaceae	Violaceae
Genus	Alstonia	Viola
Species	Alstonia scholaris	Viola calcicola

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Limestone Violet

NT — Near Threatened

Physical Characteristics

Attribute	Blackboard Tree	Limestone Violet
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.

Limestone Violet

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.