Blackboard Tree vs Guyanese arrowhead

Alstonia scholaris compared with Sagittaria guayanensis

Taxonomic Classification

Rank	Blackboard Tree	Guyanese arrowhead
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)	Alismatales (オモダカ目)
Family	Apocynaceae	Alismataceae
Genus	Alstonia	Sagittaria
Species	Alstonia scholaris	Sagittaria guayanensis

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Guyanese arrowhead

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Guyanese arrowhead
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.

Guyanese arrowhead

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Brazil, Colombia, Comoros, Madagascar, and United States.

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 1 countries:

🇺🇸 United States