Blackboard Tree vs Guava

Alstonia scholaris compared with Psidium guajava

Key Differences

• Blackboard Tree is Least Concern while Guava is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	Guava
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Myrtales (Myrtales)
Family	Apocynaceae	Myrtaceae
Genus	Alstonia	Psidium
Species	Alstonia scholaris	Psidium guajava

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Guava

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	Guava
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.

Guava

Habitat

Inhabits deserts and xeric shrublands within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (40 countries), Asia (20 countries), Europe (7 countries), North America (12 countries), Oceania and the Pacific (13 countries), and South America (8 countries).

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 3 countries:

🇫🇲 Micronesia 🇹🇼 Taiwan 🇺🇸 United States