Blackboard Tree vs Crabgrass

Alstonia scholaris compared with Eleusine indica

Taxonomic Classification

Rank	Blackboard Tree	Crabgrass
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Magnoliopsida (Dicots)	Liliopsida (Monocots)
Order	Gentianales (Gentianales)	Poales (Grasses)
Family	Apocynaceae	Poaceae (Grass Family)
Genus	Alstonia	Eleusine
Species	Alstonia scholaris	Eleusine indica

Evolutionary Relationship

Blackboard Tree and Crabgrass share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

View Phylum: Magnoliophyta

Conservation Status

Blackboard Tree

LC — Least Concern

Crabgrass

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Crabgrass
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.

Crabgrass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (12 countries), Asia (23 countries), Europe (29 countries), North America (18 countries), Oceania and the Pacific (13 countries), and South America (11 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.