Blackboard Tree vs Nutgrass

Alstonia scholaris compared with Cyperus rotundus

Taxonomic Classification

Rank	Blackboard Tree	Nutgrass
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (被子植物門)	Magnoliophyta (被子植物門)
Class	Magnoliopsida (モクレン綱)	Liliopsida (単子葉植物綱)
Order	Gentianales (リンドウ目)	Poales (イネ目)
Family	Apocynaceae	Cyperaceae
Genus	Alstonia	Cyperus
Species	Alstonia scholaris	Cyperus rotundus

Evolutionary Relationship

Blackboard Tree and Nutgrass share a common ancestor at the Phylum level: Magnoliophyta. (被子植物門)

Conservation Status

Blackboard Tree

LC — Least Concern

Nutgrass

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Nutgrass
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.

Nutgrass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (18 countries), Asia (20 countries), Europe (11 countries), North America (12 countries), Oceania and the Pacific (14 countries), and South America (7 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